7th Class Science Reproduction In Plants Question Bank

done Reproduction In Plants Total Questions - 114

• question_answer1)
  The process by which plants give rise to new plants without seeds is called
  A)
  Sexual reproduction done clear
  B)
  Vegetative propagation done clear
  C)
  Asexual reproduction   done clear
  D)
  Budding done clear
  View Solution play_arrow

• question_answer2)
  Male reproductive part of a plant is
  A)
  pores                done clear
  B)
  pistil done clear
  C)
  stamen                         done clear
  D)
  ovary done clear
  View Solution play_arrow

• question_answer3)
  Reproduction in yeast takes place by
  A)
  zygote              done clear
  B)
  fragmentation done clear
  C)
  budding          done clear
  D)
  spore formation done clear
  View Solution play_arrow

• question_answer4)
  The cell which is formed after fusion of gametes is called _________.
  A)
  spore                done clear
  B)
  embryo done clear
  C)
  pistil                 done clear
  D)
  zygote done clear
  View Solution play_arrow

• question_answer5)
  The flower which contain either pistil or stamen is called
  A)
  Unisexual flowers         done clear
  B)
  Asexual flowers done clear
  C)
  Bisexual flowers           done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer6)
   Mature ovary forms the
  A)
  seed                 done clear
  B)
  fruit done clear
  C)
  stamen                         done clear
  D)
  pistil done clear
  View Solution play_arrow

• question_answer7)
  A spore producing plant is
  A)
  rose                              done clear
  B)
  potato done clear
  C)
  bread mould        done clear
  D)
  ginger done clear
  View Solution play_arrow

• question_answer8)
  Bryophyllum can reproduce by
  A)
  stem                             done clear
  B)
  root done clear
  C)
  leaves             done clear
  D)
  flower done clear
  View Solution play_arrow

• question_answer9)
  Which of the following constitute a pistil?
  A)
  Stigma, style and anther done clear
  B)
  Stigma, style and ovary done clear
  C)
  Stigma, stamen and ovary done clear
  D)
  Pollen sac, style and ovule done clear
  View Solution play_arrow

• question_answer10)
  Female gametes are present in
  A)
  anther             done clear
  B)
  ovary done clear
  C)
  pollen tube                   done clear
  D)
  stigma done clear
  View Solution play_arrow

• question_answer11)
  Male gametes are present in
  A)
  anther      done clear
  B)
  ovary done clear
  C)
  filament                        done clear
  D)
  style done clear
  View Solution play_arrow

• question_answer12)
  Reproduction is essential for living organism in order to
  A)
  Keep individual organ alive done clear
  B)
  Maintain growth done clear
  C)
  Fulfill their energy requirement done clear
  D)
  continue the species forever done clear
  View Solution play_arrow

• question_answer13)
  Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants:
  A)
  stems, roots, flowers done clear
  B)
  stems, flowers, fruits     done clear
  C)
  roots, stems, leaves done clear
  D)
  stems, leaves, flowers done clear
  View Solution play_arrow

• question_answer14)
  Reproduction is described as a phenomenon by which of these options?
  A)
  increase in size done clear
  B)
  increase in number done clear
  C)
  form new tissues and organs done clear
  D)
  develop from zygotes done clear
  View Solution play_arrow

• question_answer15)
  Growth of a new organism on or inside the parent body is called
  A)
  Fragmentation             done clear
  B)
  Grafting done clear
  C)
  Budding      done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer16)
  The process of fertilization of angiosperms is called
  A)
  Single fertilization        done clear
  B)
  Double fertilization done clear
  C)
  Multiple fission done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer17)
  The pollen of a flowering plant
  A)
  Contains sperm cells done clear
  B)
  is brightly coloured to attract insects done clear
  C)
  holds the embryo done clear
  D)
  is produced by the pistil done clear
  View Solution play_arrow

• question_answer18)
  Select the one that does not reproduce from seeds.
  A)
  Rose                            done clear
  B)
  Pine done clear
  C)
  Oak                             done clear
  D)
  Moss done clear
  View Solution play_arrow

• question_answer19)
  Germination occurs when
  A)
  an already dormant embryo is activated done clear
  B)
  the cotyledons emerge above ground done clear
  C)
  either hypocotyls or epicotyls emerges above ground done clear
  D)
  Vascular tissue begins the transport of water and minerals. done clear
  View Solution play_arrow

• question_answer20)
  Sugarcane plants are generally propagated by vegetative reproduction because
  A)
  they do not produce seeds done clear
  B)
  the seeds are not viable done clear
  C)
  the incidence of disease may be reduced; done clear
  D)
  all of the above done clear
  View Solution play_arrow

• question_answer21)
  Pollen grains of insect pollinated flowers are
  A)
  smooth and sticky        done clear
  B)
  Smooth and rough done clear
  C)
  Rough and dry done clear
  D)
  Rough and sticky         done clear
  View Solution play_arrow

• question_answer22)
  Select the one that is true about cross pollination
  A)
  generally it results in higher yield of plants done clear
  B)
  It takes place only in unisexual flowers done clear
  C)
  It can fail to occur because of distance barrier done clear
  D)
  It requires production of large number of pollen grains. done clear
  View Solution play_arrow

• question_answer23)
  Select the method of asexual reproduction.
  A)
  Fragmentation             done clear
  B)
  Budding done clear
  C)
  Spore formation           done clear
  D)
  all of the above done clear
  View Solution play_arrow

• question_answer24)
  Vegetative buds are
  A)
  buds in the axil            done clear
  B)
  flower buds done clear
  C)
  both of these     done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer25)
  Select the plant whose buds are in the margin of leaves.
  A)
  potato              done clear
  B)
  ginger done clear
  C)
  sprout leaf plant           done clear
  D)
  turmeric done clear
  View Solution play_arrow

• question_answer26)
  Spores are
  A)
  asexual reproductive bodies done clear
  B)
  sexual reproductive bodies done clear
  C)
  covered by delicate coatings done clear
  D)
  all the above are correct done clear
  View Solution play_arrow

• question_answer27)
  Which of the following are bisexual flowers?
  A)
  Corn               done clear
  B)
  Papaya done clear
  C)
  Rose               done clear
  D)
  Cucumber done clear
  View Solution play_arrow

• question_answer28)
  The cell which results after fusion of gametes is called
  A)
  Fertilization                  done clear
  B)
  egg done clear
  C)
  Zygote            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer29)
  Mature ovary forms the
  A)
  seed                 done clear
  B)
  stamen done clear
  C)
  pistil                             done clear
  D)
  fruit done clear
  View Solution play_arrow

• question_answer30)
  When spores of fungi in a bread piece are released, why do they keep floating in air?
  A)
  they are light done clear
  B)
  they can move only slowly done clear
  C)
  they are asexual reproductive bodies done clear
  D)
  all of the above done clear
  View Solution play_arrow

• question_answer31)
  Sweet potatoes reproduce from
  A)
  modified leaves            done clear
  B)
  modified stem done clear
  C)
  modified roots done clear
  D)
  modified flowers done clear
  View Solution play_arrow

• question_answer32)
  Mushrooms reproduce through
  A)
  spores              done clear
  B)
  modified stems done clear
  C)
  buds on leaf margin     done clear
  D)
  fission done clear
  View Solution play_arrow

• question_answer33)
  Onions and gladioli grow from
  A)
  bulbs                done clear
  B)
  roots done clear
  C)
  spores              done clear
  D)
  buds on leaf margin done clear
  View Solution play_arrow

• question_answer34)
  In potatoes new plant grow from
  A)
  bulbs of modified stems done clear
  B)
  buds on leaflets done clear
  C)
  eyes of modified stems done clear
  D)
  modified roots done clear
  View Solution play_arrow

• question_answer35)
  Which of the following grow from modified roots?
  A)
  Onion             done clear
  B)
  Radish done clear
  C)
  Begonia                       done clear
  D)
  Potato done clear
  View Solution play_arrow

• question_answer36)
  Pollen sacs are found in
  A)
  pollen grain                  done clear
  B)
  pollen tube done clear
  C)
  anther         done clear
  D)
  ovule done clear
  View Solution play_arrow

• question_answer37)
  Stigma is sticky
  A)
  to produce scents to attract birds and insects done clear
  B)
  to hold pollen grains strongly done clear
  C)
  there is no known function done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer38)
  Corolla in a flower helps
  A)
  to produce male gametes done clear
  B)
  to produce female gametes done clear
  C)
  to hold pollen grains     done clear
  D)
  to attract insects done clear
  View Solution play_arrow

• question_answer39)
  Seeds with looks are dispersed by
  A)
  water              done clear
  B)
  wind done clear
  C)
  animals          done clear
  D)
  explosion done clear
  View Solution play_arrow

• question_answer40)
  Seeds of poppy are dispersed by
  A)
  wind              done clear
  B)
  water done clear
  C)
  animals                        done clear
  D)
  explosion done clear
  View Solution play_arrow

• question_answer41)
  DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) Mango	(p) Foliar buds
  (B) Rhizopus	(q) Bulb
  (C) Begonia	(r) Grafting
  (D) Onion	(s) Spore

  A)
  (A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (r),(D) \[\to \] (s) done clear
  B)
  (A) \[\to \] (r),(B) \[\to \] (p),(C) \[\to \] (q),(D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) done clear
  D)
  (A) \[\to \] (q),(B) \[\to \] (r),(C) \[\to \] (s),(D) \[\to \] (p) done clear
  View Solution play_arrow

• question_answer42)
  DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) Coastor	(p) Water
  (B) Lotus	(q) Animals
  (C) Xanthium	(r) Explosion
  (D) Maple	(s) Wind

  A)
  (A) \[\to \] (s),(B) \[\to \] (p),(C) \[\to \] (r),(D) \[\to \] (q) done clear
  B)
  (A) \[\to \] (r),(B) \[\to \] (p),(C) \[\to \] (q),(D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (r),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (q) done clear
  D)
  (A) \[\to \] (q),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (s) done clear
  View Solution play_arrow

• question_answer43)
  DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns

  Column-I	Column-II
  (A) Pollen	(p) Calyx
  (B) Eggs	(q) Corolla
  (C) Sepals	(r) Ovary
  (D) Petals	(s) Anther

  A)
  (A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (q) done clear
  B)
  (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (q),(D) \[\to \] (p) done clear
  C)
  (A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (q),(D) \[\to \] (p) done clear
  D)
  (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) done clear
  View Solution play_arrow

• question_answer44)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The flowers which contain either only the pistil or only the stamens are called unisexual flowers. The flowers which contain both stamen and pistil are called bisexual flowers. Which of the following is/are parts of a stamen?
  A)
  Anther       done clear
  B)
  Pistil done clear
  C)
  Ovule                           done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer45)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The flowers which contain either only the pistil or only the stamens are called unisexual flowers. The flowers which contain both stamen and pistil are called bisexual flowers. Which of the following is a unisexual flower?
  A)
  mustard           done clear
  B)
  petunia done clear
  C)
  corn                             done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer46)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The flowers which contain either only the pistil or only the stamens are called unisexual flowers. The flowers which contain both stamen and pistil are called bisexual flowers. Anther contains pollen grains which produce
  A)
  ovule                            done clear
  B)
  male gametes done clear
  C)
  female gametes            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer47)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 A filamentous alga X is found in ponds, lakes and streams. The filament of this alga breaks into two (or more) pieces on maturing and each piece then grows to become a new alga Identify the alga from the following:
  A)
  Paramedum                 done clear
  B)
  Hydra done clear
  C)
  Spirogyra        done clear
  D)
  Yeast done clear
  View Solution play_arrow

• question_answer48)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 A filamentous alga X is found in ponds, lakes and streams. The filament of this alga breaks into two (or more) pieces on maturing and each piece then grows to become a new alga What is the method of reproduction described here?
  A)
  Budding                       done clear
  B)
  Fragmentation done clear
  C)
  Binary fission s            done clear
  D)
  Regeneration done clear
  View Solution play_arrow

• question_answer49)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 A filamentous alga X is found in ponds, lakes and streams. The filament of this alga breaks into two (or more) pieces on maturing and each piece then grows to become a new alga Which of the following organism also reproduce by the same method as alga X?
  A)
  Rhizopus                      done clear
  B)
  Sea Anemone done clear
  C)
  Sponges          done clear
  D)
  Yeast done clear
  View Solution play_arrow

• question_answer50)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 A thick underground stem of a plant which has stored food has a number of points on it, when the old stem of this plant is planted in the soil, then each point on its surface grows into a new plant. Which of the following could be the example of underground stem?
  A)
  Onion             done clear
  B)
  Potato done clear
  C)
  Radish            done clear
  D)
  Carrot done clear
  View Solution play_arrow

• question_answer51)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 A thick underground stem of a plant which has stored food has a number of points on it, when the old stem of this plant is planted in the soil, then each point on its surface grows into a new plant. What are the points present on the stem known as?
  A)
  Nodes             done clear
  B)
  buds done clear
  C)
  Eyes             done clear
  D)
  roots    done clear
  View Solution play_arrow

• question_answer52)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 A thick underground stem of a plant which has stored food has a number of points on it, when the old stem of this plant is planted in the soil, then each point on its surface grows into a new plant. What is the name of this method of reproduction in plants?
  A)
  Vegetative propagation of tubers done clear
  B)
  Sexual reproduction by seeds done clear
  C)
  Vegetative propagation by bulbs done clear
  D)
  Sexual reproduction by flowers done clear
  View Solution play_arrow

• question_answer53)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 4 When an insect sits on the flower of a plant then some particles from the little stalks in the flowers sticks to its body when this insect now sits on the flower of another plant, the particles get deposited in the other flower. What are these particles?
  A)
  Rector             done clear
  B)
  Pollen done clear
  C)
  Dust                             done clear
  D)
  Honey done clear
  View Solution play_arrow

• question_answer54)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 4 When an insect sits on the flower of a plant then some particles from the little stalks in the flowers sticks to its body when this insect now sits on the flower of another plant, the particles get deposited in the other flower. Which phenomenon is described here?
  A)
  fertilization                   done clear
  B)
  fusion of gametes done clear
  C)
  germination                 done clear
  D)
  pollination done clear
  View Solution play_arrow

• question_answer55)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 4 When an insect sits on the flower of a plant then some particles from the little stalks in the flowers sticks to its body when this insect now sits on the flower of another plant, the particles get deposited in the other flower. Which of the following steps will occur first after the deposition of particles?
  A)
  development of pollen tube done clear
  B)
  fusion of gametes done clear
  C)
  formation of zygote done clear
  D)
  development of fruits done clear
  View Solution play_arrow

• question_answer56)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): A stamen has 2 parts. Reason (R): Filament and anther are parts of a stamen.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer57)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Seeds are product of sexual reproduction in plants. Reason (R): Seeds are not products in potatoes.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer58)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Moringa seeds have wings. Reason (R): Moringa seeds are dispersed by wind.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer59)
  DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Spores are reproductive structures in some fungi plants. Reason (R): Spores have thick walls to survive unfavorable conditions.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer60)
  Directions: Read the following two statements carefully and choose the correct option. (i) Some plants reproduce by growing vegetative parts into new plants (ii) In sexual reproduction there is fusion of similar gametes.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct. done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer61)
  Directions: Read the following two statements carefully and choose the correct option. (i) The integuments leave a small opening called Chalaza (ii) The basal part of ovule is called micropyle.
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct. done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer62)
  Directions: Read the following two statements carefully and choose the correct option. (i) After fertilization, the ovary becomes the fruit and ovules the seeds. (ii) Study of pollen grains is called palynology
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct. done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer63)
  Directions: Read the following two statements carefully and choose the correct option. (i) Flowers pollinated by insects are colourless and small in size (ii) Seeds with spines are dispersed by humans and animals
  A)
  Statement (i) is correct while statement (ii) is incorrect. done clear
  B)
  Statement (ii) is correct while statement (i) is incorrect. done clear
  C)
  Both statements are correct. done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer64)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. Look at the following image A wind pollinated flower will have:
  A)
  large anthers, coloured petals and produce nectar done clear
  B)
  large petals, small anthers and produce scent done clear
  C)
  small petals, nectar and produce scent done clear
  D)
  small petals, large anthers and have a feathery stigma done clear
  View Solution play_arrow

• question_answer65)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. An example of a seed dispersed by the wind is
  A)
       done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer66)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. In an experiment to determine the conditions necessary for germination, one of the test tubes had seeds placed under cooled boiled water. Why was the water boiled?
  A)
  To remove oxygen from the water. done clear
  B)
  To kill germs in the water. done clear
  C)
  To get the water to a suitable temperature for germination. done clear
  D)
  To remove carbon dioxide from the water. done clear
  View Solution play_arrow

• question_answer67)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. In the carpel, the male gamete makes its way to the female gamete bypassing down through the _________.
  A)
  Ovary             done clear
  B)
  Pollen tube done clear
  C)
  Filament                      done clear
  D)
  Sepal done clear
  View Solution play_arrow

• question_answer68)
  Wind pollinated flowers are called
  A)
  Entomophilous done clear
  B)
  Anemophilous done clear
  C)
  Hydrophilous   done clear
  D)
  Chiropterophilous done clear
  View Solution play_arrow

• question_answer69)
  Vegetative propagation by stem can be seen in
  A)
  potato             done clear
  B)
  ginger done clear
  C)
  dahlia              done clear
  D)
  both (a) & (b) done clear
  View Solution play_arrow

• question_answer70)
  __________ pollinated flowers are colorful and fragrant and have nectaries.
  A)
  insects          done clear
  B)
  wind done clear
  C)
  water              done clear
  D)
  animals done clear
  View Solution play_arrow

• question_answer71)
  Parthenocarpic fruit is found in
  A)
  pineapple      done clear
  B)
  mango done clear
  C)
  orange            done clear
  D)
  plum done clear
  View Solution play_arrow

• question_answer72)
  Development of a fruit without pollination or fertilization is called_______.
  A)
  germination                 done clear
  B)
  parthenocarpy done clear
  C)
  embryogeny                 done clear
  D)
  reproduction done clear
  View Solution play_arrow

• question_answer73)
  Which of the following is a type of asexual reproduction?
  A)
  Oogenesis       done clear
  B)
  Gametogenesis done clear
  C)
  Fragmentation    done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer74)
  Asexual reproduction is also known as
  A)
  Somatic reproduction done clear
  B)
  Somatogenic reproduction done clear
  C)
  Gametogenesis done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer75)
  The pollen grain represents a
  A)
  male sporophyte          done clear
  B)
  male gametophyte done clear
  C)
  female sporophyte done clear
  D)
  female gametophyte done clear
  View Solution play_arrow

• question_answer76)
  Sexual reproduction is given an advantage over asexual reproduction because
  A)
  it produces more offspring done clear
  B)
  it preserves parental genotype done clear
  C)
  it ensures survival of species done clear
  D)
  it increases variations among the offspring of an individual. done clear
  View Solution play_arrow

• question_answer77)
  These are the buds in the axil of leaves which develop into shoot. These are called
  A)
  flower buds done clear
  B)
  vegetative buds done clear
  C)
  both the above are correct done clear
  D)
  none of these is correct done clear
  View Solution play_arrow

• question_answer78)
  In this plant the buds are in the margin of leaves. If leaf of this plant falls on a moist soil, each bud can give rise to a new plant. This plant is
  A)
  Bryophyllum                done clear
  B)
  Sprout leaf plant done clear
  C)
  both (a) and (b)   done clear
  D)
  algae done clear
  View Solution play_arrow

• question_answer79)
  These are asexual reproductive bodies which are covered by a hard protective coating and they can survive for a long time. The plants of moss and ferns reproduce by means of these bodies. These are
  A)
  stamen             done clear
  B)
  stigma done clear
  C)
  spores              done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer80)
  It is a female gamete and is formed in an ovule. It is
  A)
  ovary                           done clear
  B)
  egg done clear
  C)
  zygote                          done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer81)
  Why the plants are produced by vegetative propagation an exact copy of parent plant?
  A)
  They are produced under controlled conditions done clear
  B)
  They are produced from single parents done clear
  C)
  both the above done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer82)
  Pollination is
  A)
  Similar to fertilization of animals done clear
  B)
  shedding of pollen from anthers done clear
  C)
  transfer of pollen from anther to stigma done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer83)
  The mode of reproduction shown by fuzzy and greyish growth on bread is
  A)
  Spore formation           done clear
  B)
  Budding done clear
  C)
  Binary fission               done clear
  D)
  Regeneration done clear
  View Solution play_arrow

• question_answer84)
  Flowers which have stamens and pistils are called:
  A)
  Complete flowers done clear
  B)
  Incomplete flowers done clear
  C)
  Unisexual flowers done clear
  D)
  Homosexual flowers done clear
  View Solution play_arrow

• question_answer85)
  Which of the following is a complete flower?
  A)
  Papaya                        done clear
  B)
  Cucumber done clear
  C)
  Bitter gourd                  done clear
  D)
  Hibiscus done clear
  View Solution play_arrow

• question_answer86)
  When you add yeast to dough, it rises beacuse:
  A)
  yeast cells reproduce by budding done clear
  B)
  yeast cells form colonies done clear
  C)
  of the bulk of new yeast cells done clear
  D)
  the rapidly reproducing yeast cells release \[\text{C}{{\text{O}}_{\text{2}}}\] due to anerobic respiration done clear
  View Solution play_arrow

• question_answer87)
  DIRECTION: Match column I with column II and select the correct answers using the code given below the columns.

  Column-I	Column-II
  (i) Spirogyra	(A) stem cutting
  (ii) Potato	(B) Leaves
  (iii) Rose	(C) Tuber
  (iv) Bryophyllum	(D) Fragmentation

  A)
  (i) \[\to \] (D),(ii) \[\to \] (C),(iii) \[\to \] (A),(iv) \[\to \] (B) done clear
  B)
  (i) \[\to \] (C),(ii) \[\to \] (A),(iii) \[\to \] (B),(iv) \[\to \] (D) done clear
  C)
  (i) \[\to \] (B),(ii) \[\to \] (A),(iii) \[\to \] (C),(iv) \[\to \] (D) done clear
  D)
  (i) \[\to \] (D),(ii) \[\to \] (A),(iii) \[\to \] (B),(iv) \[\to \] (C) done clear
  View Solution play_arrow

• question_answer88)
  DIRECTION: Match column I with column II and select the correct answers using the code given below the columns.

  Column-I	Column-II
  (i) Drumstick, maple	(p) sori (sopres)
  (ii) Xanthium	(q) winged seeds
  (iii) Yeast	(r) spiny seeds
  (iv) Fern	(s) Budding

  A)
  (i) \[\to \] (q),(ii) \[\to \] (s),(iii) \[\to \] (p),(iv) \[\to \] (r) done clear
  B)
  (i) \[\to \] (q),(ii) \[\to \] (r),(iii) \[\to \] (s),(iv) \[\to \] (p) done clear
  C)
  (i) \[\to \] (r),(ii) \[\to \] (q),(iii) \[\to \] (s),(iv) \[\to \] (p) done clear
  D)
  (i) \[\to \] (r),(ii) \[\to \] (q),(iii) \[\to \] (p),(iv) \[\to \] (s) done clear
  View Solution play_arrow

• question_answer89)
  DIRECTION: Match column I with column II and select the correct answers using the code given below the columns.

  Column-I	Column-II
  (A) Fragmentation	(i) Found in Potato
  (B) Spores	(ii) Short stem around which immature developing leaves are folded
  (C) Bud	(iii) fungi on a bread grow from them
  (D) Eye	(iv) Process by which algae grow and multiply rapidly

  A)
  (A) \[\to \] (i),(B) \[\to \] (ii),(C) \[\to \] (iii),(D) \[\to \] (iv) done clear
  B)
  (A)\[\to \](ii),(B)\[\to \](iii),(C)\[\to \](iv),(D) \[\to \] (i) done clear
  C)
  (A)\[\to \](iii),(B)\[\to \](iv),(C)\[\to \](i),(D)\[\to \](ii) done clear
  D)
  (A)\[\to \](iv),(B)\[\to \](iii),(C)\[\to \](ii),(D)\[\to \](i) done clear
  View Solution play_arrow

• question_answer90)
  DIRECTION: Match column I with column II and select the correct answers using the code given below the columns.

  Column-I	Column-II
  (A) Node	(i) Part of the stem from which a leaf arises
  (B) Axil	(ii) Point of attachment of leaf at node
  (C) roots	(iii) can give rise to new plants in Dahliya
  (D) Bryophyllum	(iv) Sprout leaf plant

  A)
  (A) \[\to \] (i),(B) \[\to \] (ii),(C) \[\to \] (iii),(D) \[\to \] (iv) done clear
  B)
  (A) \[\to \] (ii),(B) \[\to \] (iii),(C) \[\to \] (iv),(D) \[\to \] (i) done clear
  C)
  (A) \[\to \] (iii),(B) \[\to \] (iv),(C) \[\to \] (i),(D) \[\to \] (ii) done clear
  D)
  (A) \[\to \] (iv),(B) \[\to \] (iii),(C) \[\to \] (ii),(D) \[\to \] (i) done clear
  View Solution play_arrow

• question_answer91)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The cell which results after fusion of gametes is called a zygote. The fusion of male and female gametes (to form a zygote) is called fertilization. The zygote develops into an embryo. Zygote formation occurs in
  A)
  asexual reproduction done clear
  B)
  sexual reproduction done clear
  C)
  both asexual and sexual reproduction done clear
  D)
  all the above are correct done clear
  View Solution play_arrow

• question_answer92)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The cell which results after fusion of gametes is called a zygote. The fusion of male and female gametes (to form a zygote) is called fertilization. The zygote develops into an embryo. The cell which results after fusion of male gametes and female gametes is called
  A)
  zygote              done clear
  B)
  fertilization done clear
  C)
  embryo            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer93)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The cell which results after fusion of gametes is called a zygote. The fusion of male and female gametes (to form a zygote) is called fertilization. The zygote develops into an embryo. The part of the flower which produce male gametes is called
  A)
  Anther              done clear
  B)
  Stamen done clear
  C)
  filament            done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer94)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 The transfer of pollen from the anther to the stigma of a flower is called pollination. If the pollen lands on the stigma of the same flower it is called self-pollination. When the pollen of a flower lands on the stigma of another flower of the same plant, or that of a different plant of the same kind, it is called cross-pollination. Which of the following can carry pollen grains?
  A)
  Wind done clear
  B)
  Water done clear
  C)
  both wind and water done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer95)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 The transfer of pollen from the anther to the stigma of a flower is called pollination. If the pollen lands on the stigma of the same flower it is called self-pollination. When the pollen of a flower lands on the stigma of another flower of the same plant, or that of a different plant of the same kind, it is called cross-pollination. In self pollination
  A)
  the pollen of a flower lands on anther of the same flower done clear
  B)
  the pollen of a flower lands on stigma of a different flower on the same plant done clear
  C)
  the pollen of a flower lands on stigma of the same flower done clear
  D)
  none of the above is correct done clear
  View Solution play_arrow

• question_answer96)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 The transfer of pollen from the anther to the stigma of a flower is called pollination. If the pollen lands on the stigma of the same flower it is called self-pollination. When the pollen of a flower lands on the stigma of another flower of the same plant, or that of a different plant of the same kind, it is called cross-pollination. In cross pollination
  A)
  the pollen of a flower lands on the stigma of another flower of the same plant done clear
  B)
  the pollen of a flower lands on the stigma of another flower of a different plant of the same kind. done clear
  C)
  both the above are correct done clear
  D)
  none of these is correct done clear
  View Solution play_arrow

• question_answer97)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The phenomenon of formation of new individuals from existing ones to increase the population is called reproduction. Reproduction can be broadly grouped into two types: asexual reproduction and sexual reproduction Vegetative reproduction is
  A)
  a sexual reproduction done clear
  B)
  an asexual reproduction done clear
  C)
  a pollination done clear
  D)
  a type of fertilization done clear
  View Solution play_arrow

• question_answer98)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The phenomenon of formation of new individuals from existing ones to increase the population is called reproduction. Reproduction can be broadly grouped into two types: asexual reproduction and sexual reproduction The mode of reproduction in which an individual produces offspring with the help of another individual is called:
  A)
  sexual reproduction     done clear
  B)
  asexual reproduction done clear
  C)
  tissue culture done clear
  D)
  fertilization done clear
  View Solution play_arrow

• question_answer99)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The phenomenon of formation of new individuals from existing ones to increase the population is called reproduction. Reproduction can be broadly grouped into two types: asexual reproduction and sexual reproduction In vegetative propagation new plants are produced from
  A)
  roots                done clear
  B)
  stem done clear
  C)
  leaves              done clear
  D)
  all of the above done clear
  View Solution play_arrow

• question_answer100)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): A flower may either have a male or a female part. Reason (R): A flower having both male and female parts is called bisexual flower.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer101)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Vegetative propagation is a method of asexual reproduction in plants. Reason (R): In asexual reproduction new plants are obtained without production of seed or spore.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer102)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Yeast grows and multiplies every few hours if sufficient nutrients are available to it. Reason (R): When water and nutrients are available algae grow and multiply rapidly by budding.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer103)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Seeds germinate and form new plants. Reason (R): A spore germinates and develops into a new individual.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer104)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Parts of pistil are anther and filament. Reason (R): Bisexual flowers are those which contain both stamen and pistil.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer105)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) Anther is a part of stamen (ii) Filament is a part of stamen (iii) Anther contains pollen grains
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer106)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) Roots of potato cannot give rise to new plants (ii) Plants produced by vegetative propagation take longer time to grow and bear flowers. (iii) Spores are asexual reproduction bodies
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer107)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) To cut any branch of a plant called cutting (ii) In asexual reproduction, without seeds plant can give rise to new plants (iii) Vegetative propagation is a method of asexual reproduction
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer108)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) A flower that contain only male or female parts is called bisexual flowers. (ii) A flower that contain all four parts is known as incomplete flower. (iii) A flower which contains only male or female part is called complete flower.
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer109)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) Moringa seeds are dispersed by wind (ii) The seeds of Balsam are dispersed by explosion (iii) Seeds of coconut are dispersed by water
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer110)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) Spirogyra reproduce by budding (ii) Rose reproduce by stem cutting (iii) Yeast reproduce by fragmentation
  A)
  Statements (i) and (iii) are incorrect but (ii) is correct. done clear
  B)
  Statements (i) and (ii) are incorrect but (iii) is correct. done clear
  C)
  All statements are correct. done clear
  D)
  All statements are incorrect. done clear
  View Solution play_arrow

• question_answer111)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. In the following figure are shown some modifications of vegetative reproduction. These are
  A)
  modified roots done clear
  B)
  modified underground stems done clear
  C)
  modifical underground leaves done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer112)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. The given figure represents a carpel. Select the part that bears the female gamete.
  A)
  A                      done clear
  B)
  B done clear
  C)
  C                                 done clear
  D)
  D done clear
  View Solution play_arrow

• question_answer113)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. Study the picture given below and then answer the question. The parts in the flower labeled as X and Y are
  A)
  X = petal, Y = stalk    done clear
  B)
  X = sepal, Y = carpel done clear
  C)
  X = petal, Y = anther done clear
  D)
  X = sepal, Y = anther done clear
  View Solution play_arrow

• question_answer114)
  DIRECTIONS: Carefully observe pictures given below and answer the following questions. Name the parts labeled as X and Y
  A)
  X = plumule, Y = testa done clear
  B)
  X = plumule, Y = radicle done clear
  C)
  X = food store, Y = radicle done clear
  D)
  X = radicle, Y = testa done clear
  View Solution play_arrow