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question_answer1)
Which of the following plants reproduce in the same way as sugarcane?
(i) Bryophyllum |
(ii) Rose |
(iii) Hibiscus |
A)
(i) and (ii) only done
clear
B)
(i) and (iii) only done
clear
C)
(ii) and (iii) only done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer2)
Which of these labelled parts form the carpel?
A)
P and Q only done
clear
B)
P, Q and R only done
clear
C)
S and T only done
clear
D)
S, T and R only done
clear
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question_answer3)
Why must seeds be dispersed far away from the parent plant?
(i) To ensure the survival of the species |
(ii) to avoid competition for sunlight |
(iii) Because plants can move by themselves |
(iv) To ensure plants obtain sufficient space for growth |
A)
(i) and (ii) only done
clear
B)
(iii) and (iv) only done
clear
C)
(i), (ii) and (iv) only done
clear
D)
(i), (ii), (iii) and (iv) done
clear
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question_answer4)
What happens after the given stage?
A)
The ovary splits open. done
clear
B)
Ovary develops into a fruit and ovules into seeds. done
clear
C)
The ovules are dispersed. done
clear
D)
Germination of seeds take place. done
clear
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question_answer5)
Abhi cut the potato into sections as shown below.
Which section(s) will NOT produce new plants?
A)
P only done
clear
B)
Q and R on done
clear
C)
Q and S only done
clear
D)
P and R only done
clear
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question_answer6)
Which type of reproduction is shown in the diagram given below?
A)
Binary fission done
clear
B)
Fragmentation done
clear
C)
Sporulation done
clear
D)
Bidding done
clear
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question_answer7)
The table given below shows the various ways in which plants reproduce.
Plants | Ways of Reproduction |
Xanthium | Z |
X | Spores |
Potato | Y |
Which of the following would you place in X, Y and Z?
A)
B)
C)
D)
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question_answer8)
Which organism is described in the information given below?
(i) Respire anaerobically |
(ii) Used to make wine |
(iii) Reproduces by budding |
A)
Potato done
clear
B)
Grapes done
clear
C)
Yeast done
clear
D)
Mucor done
clear
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question_answer9)
Which of the following parts of the flower shown below are the anther and stigma respectively?
A)
K, L done
clear
B)
L, M done
clear
C)
M, N done
clear
D)
N, K done
clear
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question_answer10)
A Which of the following seeds is NOT dispersed by wind?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer11)
Arrange the sentences given below in order to describe the process of fertilization.
W: The pollen tube grows down through the style reaches the ovary. |
X: The pollen grain germinates on reaching the stigma. |
Y: The male gamete moves into the ovule to fuse with the ovum. |
Z: The pollen tube grows out from the pollen. |
Which of these options are in the correct order?
A)
WXYZ done
clear
B)
XZWY done
clear
C)
YWZX done
clear
D)
WZXY done
clear
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question_answer12)
Which of these plants undergo vegetative reproduction?
A)
Tomato, lady's-finger, onion, cauliflower. done
clear
B)
Potato, ginger, onion, sugarcane. done
clear
C)
Cauliflower, onion, potato, tomato. done
clear
D)
Lady's-finger, onion, ginger, sugarcane. done
clear
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question_answer13)
Which of the following is not a characteristic feature of wind pollinated flower?
A)
Flowers produce huge quantities of pollens. done
clear
B)
Petals are brightly coloured and showy. done
clear
C)
Pollen grains are light and non-sticky. done
clear
D)
Stamens are well exposed. done
clear
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question_answer14)
Which of these coloured labelled part of the flower attracts bees and butterflies to help it to pollinate?
A)
(i) done
clear
B)
(ii) done
clear
C)
(iii) done
clear
D)
(iv) done
clear
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question_answer15)
The given figure illustrates a stage during reproduction in flowering plants.
What is structure X?
A)
An ovule before pollination, but after fertilization. done
clear
B)
An ovule before fertilization, but after pollination. done
clear
C)
A pollen grain before pollination, but after fertilization. done
clear
D)
A pollen grain before fertilization, but after pollination. done
clear
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question_answer16)
Look at the diagram of fruits P and Q. Fruit P has thick and juicy flesh, fruit Q is covered with stiff hairs.
The fruits P and Q are likely to be dispersed by which of the following dispersal agents?
A)
Wind done
clear
B)
Water done
clear
C)
Animals done
clear
D)
Splitting done
clear
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question_answer17)
The diagram shows the structure of a flower.
Where do pollination and fertilization take place?
A)
Pollination-X; Fertilization-Y done
clear
B)
Pollination-Y; Fertilization-X done
clear
C)
Pollination-Y; Fertilization-Z done
clear
D)
Pollination-Z; Fertilization-Y done
clear
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question_answer18)
The box given below shows four different fruits.
Which two fruits are dispersed by animals?
A)
(i) and (ii) done
clear
B)
(i) and (iii) done
clear
C)
(ii) and (iv) done
clear
D)
(iii) and (iv) done
clear
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question_answer19)
Which of the following grow into a new plant in mushroom and mucor?
A)
Spores done
clear
B)
Roots done
clear
C)
Seeds done
clear
D)
Cuttings done
clear
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question_answer20)
Which of the following options define the term vegetative reproduction?
A)
Fertilization of stamens and stigma through pollen grains. done
clear
B)
Development of new plant from spores when favorable conditions are provided. done
clear
C)
Reproduction of new plants from any part of a plant other than the reproductive organs. done
clear
D)
Reproduction of a plant from reproductive organs. done
clear
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question_answer21)
Onions and gladiola grow from which of the following parts?
A)
Bulbs done
clear
B)
Roots done
clear
C)
Buds on the leaf margin done
clear
D)
Spores done
clear
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question_answer22)
In potatoes, new plants grow from which of the following parts of the stems?
A)
Bulbs of the modified stems. done
clear
B)
Buds on the leaflets. done
clear
C)
Modified roots. done
clear
D)
Eyes of the modified stems. done
clear
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question_answer23)
Which of the following takes place during fertilization in angiosperms?
A)
Fusion of two dissimilar flowers. done
clear
B)
Union of stamens of unequal length. done
clear
C)
Fusion of two dissimilar gametes. done
clear
D)
Fusion of two similar pores. done
clear
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question_answer24)
Bryophyllum grows from which of the following parts of a plant?
A)
Bulbs of the modified stems. done
clear
B)
Eyes on the tuberous roots. done
clear
C)
Outgrowths from the modified roots. done
clear
D)
Leaf buds on the modified leaves. done
clear
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question_answer25)
Which of the following constitute a pistil?
A)
Stigma, anther and ovary. done
clear
B)
Stigma, stamen and ovary. done
clear
C)
Pollen sac, style and ovule. done
clear
D)
Stigma, style and ovary. done
clear
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question_answer26)
Identify the process X and 'Y? the figure given below.
A)
X-cross pollination Y-self pollination done
clear
B)
X-self pollination Y-cross pollination done
clear
C)
X-Dispersal Y-Fertilization done
clear
D)
X-Germination, Y-Dispersion done
clear
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question_answer27)
The figure given below represents which of the following processes?
A)
Growth done
clear
B)
Germination done
clear
C)
Fertilization done
clear
D)
Dispersion done
clear
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question_answer28)
Which of the following statements is true about sticky stigma?
A)
To produce scents to attract birds and insects. done
clear
B)
To hold pollen grain strongly. done
clear
C)
There is no known function. done
clear
D)
To attract bees. done
clear
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question_answer29)
Which organism multiplication makes the dough to rise?
A)
Yeast done
clear
B)
Mucor done
clear
C)
Moss done
clear
D)
Mould done
clear
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question_answer30)
In which of the following modes of reproduction an individual produces offspring without the help of another individual?
A)
Sexual reproduction done
clear
B)
Hybridisation done
clear
C)
Fertilization done
clear
D)
Asexual reproduction done
clear
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question_answer31)
A Moringa (drum stick) seeds are dispersed by wind due to the presence of which of the following features?
A)
Wings done
clear
B)
Pappus done
clear
C)
Hairy tuft done
clear
D)
All the above done
clear
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question_answer32)
Which of the following dispersal mechanisms disperse xanthium seeds?
A)
Wind done
clear
B)
Animals done
clear
C)
Water done
clear
D)
Explosion mechanism done
clear
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question_answer33)
Which of the following labelled figure is/ are NOT an example of vegetative propagation?
A)
P only done
clear
B)
Q only done
clear
C)
R and S only done
clear
D)
P, Q and R only done
clear
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question_answer34)
Which of the following processes is represented by the figure given below?
A)
Fission in yeast done
clear
B)
Fragmentation in yeast done
clear
C)
Budding in yeast done
clear
D)
Sporeformation in yeast done
clear
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question_answer35)
Which of the following are the characteristic feature of fruits dispersed by animals?
A)
Hooked and spiny done
clear
B)
Dry and light done
clear
C)
Light and powdery done
clear
D)
Unattractive done
clear
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question_answer36)
The female organ of a flower is called the pistil. Which of the following is not a part of the pistil?
A)
Stigma done
clear
B)
Style done
clear
C)
Pollen grains done
clear
D)
Ovary with ovules done
clear
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question_answer37)
The landing of pollen grains on the stigma marks the end of which of the following processes?
A)
Fertilization done
clear
B)
Pollination done
clear
C)
Ovulation done
clear
D)
Germination done
clear
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question_answer38)
Which of the following is not a vegetatively propagated plant?
A)
Bryophyllum done
clear
B)
Hibiscus done
clear
C)
Sugar cane done
clear
D)
Cotton plant done
clear
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question_answer39)
Which of the following have fruits that have a parachute of hair called pappus?
A)
Maple and xanthium done
clear
B)
Madar and sunflower done
clear
C)
Balsam and beans done
clear
D)
Mango and coconut done
clear
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question_answer40)
Where does fertilization occur in flowers?
A)
Stigma done
clear
B)
Style done
clear
C)
Ovary done
clear
D)
Pollen grain done
clear
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