# 7th Class Science Nutrition in Plants Question Bank

### done Nutrition in Plants

• A) Leaf

B) Nodes

C) Stem

D) Roots

• A) seeds

B) pollen

C) spores

D) none of these

• A) crops

B) animals

C) human beings

D) trees

• A) They shed leaves in summer

B) They develop aerial roots

C) They have fleshy leaves

D) They have leaves modified into spines.

• A) stilt roots

B) nodulated roots

C) fibrous roots

D) prop roots

• A) to perform photosynthesis

B) to store food

C) to fix atmospheric nitrogen

D) none of these

• A) Fern

B) Lichen

C) Sundew

D) Mould

• A) They prepare their own food.

B) They do not prepare their own food.

C) They derive nutrition from soil.

D) None of the above.

• A) Saprophytes

B) Parasites

C) Host

D) None of these

• A) Fungus supplies water and minerals to cells of algae.

B) Algae supplies food to the fungus.

C) Fungus supplies water, minerals and food to algae and algae do not supply anything.

D) Both (a) and (b) are correct.

• A) Saprophytes

B) Insectivorous

C) Parasite

D) Symbiotic

• A) Carbon dioxide, water and sunlight

B) Carbon dioxide and water only

C) Carbon dioxide, water and chlorophyll

D) Carbon dioxide, water, sunlight and chlorophyll

• A) Bitter gourd

B) Cereals

C) Legumes

D) Nuts

• A) proteins

B) carbohydrates

C) fats

D) None of these

• A) carbohydrate

B) fat

C) protein

D) vitamin

• A) Mushrooms

B) Lichens

C) Pitcher plants

D) Cuscuta

• A) ingestion

B) nutrition

C) digestion

D) all of these

• A) to grow

B) to build their bodies

C) to provide energy

D) all the above are correct

• A) Flowers

B) Seeds

C) Leaves

D) None of these

• A) cells

B) stomata

C) transpiration

D) none of these

• A) Leaves

B) Green stems

C) Green branches

D) All of these

• A) in green leaves

B) in leaves other than green leaves

C) both the above are correct

D) none of the above is correct

• A) an autotroph

B) heterotroph

C) virus

D) none of these

• A) an autotroph

B) a parasite

C) an insectivorous

D) none of these

• A) green in colour

B) white is colour

C) brown in colour

D) green, white, brown or any other colour.

• A) Autotroph

B) Heterotroph

C) Saprophytic

D) All of these

• A) Camel

B) Giraffe

C) Deer

D) All of these

• A) It is a mode of taking food by an organism

B) It refers to the type of food that an organism takes

C) It is a mode of taking food by an organism and its utilization by the body.

D) All the above are correct

• A) It is the green pigment present in the leaves of plants.

B) It is responsible for the green colour of most of the plants.

C) Both the above are correct

D) None of the above is correct

• A) A mode of life in which two organisms live in intimate association with each other

B) Two organisms live together and share the shelter.

C) Two organisms live together and share nutrients.

D) All the above are correct.

• A) It climbs on other plants.

B) It deprives the plant (i.e., its host) of valuable nutrients.

C) Both the above are correct.

D) None of the above is correct

• A) 1

B) 2

C) 3

D) 4

• A) 1

B) 2

C) 3

D) 4

• A) Fungi

B) Bryophytes

C) Bacteria

D) Algae

• A) roots, stens and leaves

B) food, water and air

C) eyes, nose and ears

D) light, soil and nitrients

• A) tiny poses in leaves

B) flowers

C) seeds

D) small porous roots

• A) reduce weight

B) reduce loss of water

C) reduce volume

D) be beautiful

• A) absorb water and minerals from the soil

B) absorb carbon dioxide from the atmosphere

C) transport water, food and minerals in a leaf

D) release oxygen and carbon dioxide into the Atmosphere

•  Column-I Column-II (A) Nutrition (p) mode of nutrition (B) Autotrophic (q) Basic unit of structure of all living beings. (C) Cell (r) Mode of taking food (D) Nutrients (s) Those components of food that are necessary for our body.

A) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (r), (D) $\to$ (s)

B) (A) $\to$ (q), (B) $\to$ (r), (C) $\to$ (s), (D) $\to$ (p)

C) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (q), (D) $\to$ (s)

D) (A) $\to$ (r), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (q)

•  Column-I Column-II (A) Food factories of plants (p) Semi-permeable membrane (B) Cell membrane (q) Leaves (C) Tiny pores on the surface of leaves surrounded by ?guard cells? (r) Complex chemical substances (D) Carbohydrates (s) Stomata

A) (A) $\to$ (p), (B) $\to$ (r), (C) $\to$ (q), (D) $\to$ (s)

B) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (r)

C) (A) $\to$ (r), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (q)

D) (A) $\to$ (s), (B) $\to$ (q), (C) $\to$ (p), (D) $\to$ (r)

•  Column-I Column-II (A) Cuscuta (p) Saprophyte (B) Mushroom (q) Xerophytes (C) Nepenthes (r) Parasite (D) Cactus (s) Insectivorous

A) (A) $\to$ (r), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (q)

B) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (q)

C) (A) $\to$ (s), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (q)

D) (A) $\to$ (q), (B) $\to$ (r), (C) $\to$ (p), (D) $\to$ (s)

• A) a cell

B) a tissue

C) either a cell or a tissue

D) none of these

• A) with naked eye

B) under the microscope

C) both the above are correct

D) cell cannot be seen by us.

• A) is the thin outer boundary of the cell

B) is a semi-permeable membrane

C) both the above are correct

D) none of the above is correct

• A) Some plants can eat animals and are called insectivorous.

B) Animals eat plants and are called heterotrophs.

C) Both the above are correct

D) None of these is correct

• A) Cuscuta

B) Amarbel

C) Pitcher plant

D) Algae

• A) there is a pitcher like structure

B) the apex of the leaf forms a lid which can open and close the mouth of the pitcher.

C) both the above are correct

D) none of these is correct

• A) They have lots of branches and leaves

B) They do not shed leaves in summer

C) They develop roots which come above the ground

D) Their leaves are modified into spines

• A) leaves

B) spines

C) roots

D) stem

• A) Keratin

B) chlorophyll

C) acrotonin

D) hemoglobin

• A) proteins

B) starch

C) fats

D) All of these

• A) there was no sunlight in the room

B) the leaves were not green in colour

C) the iodine solution was not good

D) there was no water in the pot

• A) Boil the leaf first in water and then in alcohol

B) Wash the bleached leaf

C) Heat the leaf on a hot flame

D) Add few drops of iodine solution to the bleached leaf.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Statement (i) is correct while statement (ii) is incorrect.

B) Statement (ii) is correct while statement (i) is incorrect.

C) Both statements are correct.

D) Both statements are incorrect.

• A) Statement (i) is correct while statement (ii) is incorrect.

B) Statement (ii) is correct while statement (i) is incorrect.

C) Both statements are correct.

D) Both statements are incorrect.

• A) Statement (i) is correct while statement (ii) is incorrect.

B) Statement (ii) is correct while statement (i) is incorrect.

C) Both statements are correct.

D) Both statements are incorrect.

• A) Autotrophic nutrition

B) Saprotrophic nutrition

C) Symbiotic relationship

D) None of these

• A) It has spine-like leaves

B) The spine-like leaves can take water from the atmosphere easily.

C) The plants cannot carry out the process of photosynthesis

D) None of the above is correct

• A) Croton plants are green but they do not contain chlorophyll

B) Croton plants do not have chlorophyll but can prepare own food

C) Croton plants are purple in colour but have chlorophyll which is hidden

D) Croton plants are purple in colour and do not contain chlorophyll

• A) Alcohol dissolved the chlorophyll

B) Alcohol dissolved all the minerals

C) Alcohol did not allow carbon dioxide to enter the leaves

D) Alcohol absorbed all the food.

• A) It has no chlorophyll

B) It grows on roots of trees

C) It sucks food from the roots of trees

D) It has gigantic flowers

• A) Anabaena

B) Algae

C) Nostoc

D) Cyanobacteria

• A) Because they also have chlorophyll

B) The colours present in leaves cover the green colour

C) Because they have green stem

D) Both (a) and (b)

• A) Sundew

B) Dodder

C) Pitcher plant

D) Venus fly trap

• A) Fungi

B) Yeast

C) Agaricus

D) All the above

• A) Indian pipe

B) Neottia idus-avis

D) Both a and b

• A) It is a flowering plant

B) It helps in absorption

C) It is commonly known as Indian pipe

D) It sucks liquid for the stem of the host

• A) Dionea

B) Sundew

C) Venus fly trap

D) Rafflesia

• A) Cyan bacteria

B) Lichen

C) Moss

D) Liverwort

• A) Viscum album

B) Oranbacheramosa

C) Rawwolfia

• A) Monotropa

B) Rafflesia

C) Sundew plant

D) Nettle

• A) Mistletoe

B) Dodder

C) Drosera

D) Rafflesia

• A) Heterotrophic

B) Chemoautotrophic

C) Photoautotrophic

D) Autotrophic

• A) Saprophyte

B) Carnivore

C) Parasite

D) Insectivore

• A) Wheat

B) Sugarcane

C) Maize

D) Rice

• A) Viscum album

B) Santalum

C) Loran thus

D) Amarbel

• A) Rhizobium

B) Nostoc

C) Anabaena

D) All the above

• A) green bacteria

B) cyanobacteria

C) Iron bacteria

D) Purple sulphur bacteria

• A) Candidiasis

B) Meningitis

C) Tuberculosis

D) Pneumonia

• A) Sulphur bacteria

B) Lactobacillus

C) Iron bacteria

D) Thiobacillus

• A) Rhizopus nigricans

B) Rhizopus oryzae

C) Mucor

D) Rhizopus oligosporus

• A) Rhizobium converts atmospheric nitrogen into a soluble form that the plants can absorb.

B) Rhizobium can make its own food.

C) Rhizobium lives in the roots of leguminous plants such as gram, peas and moong.

D) Leguminous plants provide food and shelter to Rhizobium.

• A) Light is necessary for photosynthesis

B) Chlorophyll is necessary for photo synthesis

C) Carbon dioxide is necessary for photosynthesis

D) All the can be proved experimentally

• A) Combustion

B) Photosynthesis

C) Respiration

D) Evaporation

• A) two organisms live in intimate association

B) two organisms share shelter and nutrition

C) both the above are correct

D) none of the above is correct

• A) Plants which derive their nutrition from dead and decaying matter

B) Plants whose mode of nutrition is saprotrophic

C) Both the above are correct

D) None of the above is correct

• A) In the absence of photosynthesis, there would be no food available for us.

B) Solar energy is the ultimate source of energy.

C) Solar energy is essential for photosynthesis

D) None of the above is correct

• A) They have no chlorophyll in them

B) The chlorophyll present in them is of different colour.

C) The green colour is masked by large amount of red, brown or other pigments present in them.

D) None of the above is correct.

•  Column - I Column - II (A) Neottia (p) Total parasite (B) Dionea (q) Saprophyte (C) Amarbel (r) Partial parasite (D) Loran thus (s) Insectivore

A) (A) $\to$ (r), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (q)

B) (A) $\to$ (q), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (r)

C) (A) $\to$ (s), (B) $\to$ (p), (C) $\to$ (q), (D) $\to$ (r)

D) (A) $\to$ (r), (B) $\to$ (q), (C) $\to$ (p), (D) $\to$ (s)

•  Column - I Column - II (A) Green colour of algae (p) Cuscuta (B) Have no chlorophyll (q) Chlorophyll (C) Fungi (r) Spoils many things during rainy seasons (D) Peas (s) Leguminous plant

A) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (r), (D) $\to$ (s)

B) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (r)

C) (A) $\to$ (s), (B) $\to$ (r), (C) $\to$ (q), (D) $\to$ (p)

D) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (r), (D) $\to$ (s)

•  Column-I Column-II (A) Rhizopus (p) Indian pipe (B) Monotropa (q) Insectivore (C) Corpse flower (r) Saprophytic (D) Utricularia (s) Rafflesia arnoldii

A) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (q)

B) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (q), (D) $\to$ (s)

C) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (q), (D) $\to$ (s)

D) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (r), (D) $\to$ (s)

• A) autotrophic

B) heterotrophic

C) saprotrophic

D) none of these

• A) on a moistened piece of bread left in a warm place for 2-3 days.

B) on pickles, leather, clothes that are left in hot and humid weather for 2-3 days.

C) both are correct

D) none of the above is correct

• A) secrete digestive juices on dead and decaying matter.

B) absorb nutrients in solution form from dead and decaying matter.

C) the mode of nutrition of fungi is called saprotrophic nutrition.

D) All the above are correct

• A) Insectivorous

B) Parasitic

C) Saprophytic

D) autotrophic

• A) from photosynthesis

B) from dead and decaying matter

C) by eating small insects

D) from water

• A) warm and moist

B) dry

C) cold and wet

D) all of these

• A) Nothing will happen

B) Grow in size

C) It will die

D) New leaves will grow

• A) soil

B) sand

C) leaves

D) air

• A) It will grow in size and form new leaves

B) No change is seen

C) It will die

D) It will become pale

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Statements (i) and (iii) are incorrect but (ii) is correct.

B) Statements (i) and (ii) are incorrect but (iii) is correct.

C) All statements are correct.

D) All statements are incorrect.

• A) Statements (i) and (iii) are incorrect but (ii) is correct.

B) Statements (i) and (ii) are incorrect but (iii) is correct.

C) All statements are correct.

D) All statements are incorrect.

• A) Statements (i) and (iii) are incorrect but (ii) is correct.

B) Statements (i) and (ii) are incorrect but (iii) is correct.

C) All statements are correct.

D) All statements are incorrect.

• A) Statements (i) and (iii) are incorrect but (ii) is correct.

B) Statements (i) and (ii) are incorrect but (iii) is correct.

C) All statements are correct.

D) All statements are incorrect.

• A) (i) only

B) (ii) only

C) Both (i) and (ii)

D) Neither (i) nor (ii)

• A) release of water and minerals by plants into soil

B) release of $\text{C}{{\text{O}}_{\text{2}}}$ into the soil

C) release of ${{\text{O}}_{\text{2}}}$ into the atmosphere

D) absorption of water and minerals by roots from the soil.

• A) Oxygen

B) water

C) carbon dioxide

D) nitrogen

• A) 1

B) 2

C) 3

D) None

• A) Saprophyte

B) Insectivore

C) Parasite

D) Fungi

• A)

B)

C)

D)