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question_answer1)
Which of the following shows the correct match of seed and its mode of dispersal?
A)
B)
C)
D)
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question_answer2)
Select the plant pair that shows similar mode of vegetative reproduction.
A)
Radish, Potato done
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B)
Coconut, Mango done
clear
C)
Rose, Dahlia done
clear
D)
Carrot, Turnip done
clear
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question_answer3)
In India, crops that are grown in winter are called rabi crops. Which of the following are rabi crops?
(i) Radish | (ii) Mustard |
(iii) Rice | (iv) Millet |
(v) Cabbage | (vi) Watermelon |
(vii) Peach | (viii) Cauliflower |
A)
(i), (ii) and (vii) only done
clear
B)
(iii), (iv), (v) and (vi) only done
clear
C)
(iv), (vi) and (viii) only done
clear
D)
(i), (ii), (v) and (viii) only done
clear
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question_answer4)
The main purpose of the implement shown in the figure is
A)
Digging the soil done
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B)
Digging out the plants from the soil done
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C)
Sprinkling water on the field done
clear
D)
Sowing the seeds. done
clear
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question_answer5)
If part X will be absent in a plant, new plants will not be produced. X is ____.
A)
Stem done
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B)
Root done
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C)
Flower done
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D)
Leaves done
clear
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question_answer6)
____ is the plant that disperses its seed by the same agency as the plant shown here.
A)
Dandelion done
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B)
Coconut done
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C)
Mango done
clear
D)
Tiger's claw done
clear
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question_answer7)
The given figure shows plant parts labelled as P, Q, R and S. Which of the following options correctly lists the plants in which labelled part is edible?
A)
P - Sugarcane, Potato, Sweet potato done
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B)
Q - Maize, Cauliflower, Cabbage done
clear
C)
R - Rajma, Soybean, Pea done
clear
D)
S - Ginger, Carrot, Onion done
clear
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question_answer8)
_____is the tool used for sowing seeds in agriculture.
A)
Hoe done
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B)
Plough done
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C)
Seed drill done
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D)
Shovel done
clear
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question_answer9)
The plant X can be ___.
A)
Mustard done
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B)
Coriander done
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C)
Clove done
clear
D)
Both (a) and (c) done
clear
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question_answer10)
Read the following experiment and answer the following question.
Riya cut a piece from a potato with an 'eye' or bud, with shoots growing from it. She put it in a pot containing soil, kept this in the sunlight and watered it regularly. She soon saw a potato plant growing from it.
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What can be concluded from this experiment?
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A)
Potato is an underground stem. done
clear
B)
In many plants, reproduction takes place through vegetative parts like root, stem and leaves. done
clear
C)
Plants need sunlight and water to grow. done
clear
D)
In many plants, reproduction takes place through seeds. done
clear
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question_answer11)
The seed shown here is most likely to be dispersed by ____.
A)
Water done
clear
B)
Wind done
clear
C)
Animals done
clear
D)
Cannot say done
clear
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question_answer12)
Refer to the given figure and select the incorrect option regarding it.
A)
In some plants, W plays no important role in reproduction, e.g., sugarcane. done
clear
B)
In some plants, X is used for reproduction, e.g., rose. done
clear
C)
In some plants, Y is edible, e.g., cucumber. done
clear
D)
In some plants, Z is edible, e.g., cabbage. done
clear
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question_answer13)
Ravi performed an experiment as shown in the given figure.
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Select the correct statement regarding it.
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A)
He did not applied vaseline on all the leaves. done
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B)
He applied vaseline as he wants to study transpiration in plants. done
clear
C)
He kept plant in sunlight because higher temperature favours transpiration. done
clear
D)
All of these done
clear
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question_answer14)
Refer to the given figure and select the correct option about the parts X and Y of seed.
A)
Part X gives rise to the new plant. done
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B)
Part Y gives nutrition to the young plant. done
clear
C)
Part Y gives rise to the new plant. done
clear
D)
Both (a) and (b) done
clear
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question_answer15)
Shruti took a white carnation flower and split its stalk halfway along the length and arranged a setup as shown in the giver figure. After some time, she observed than half of the petals turned blue and half turned red. A section through stem also showed blue and red coloured areas.
What can she infer from this experiment?
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A)
Stem conducts water to all plant parts. done
clear
B)
Stem has localized structures for conduction of water. done
clear
C)
Stem conducts solutes along with water. done
clear
D)
All of these done
clear
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question_answer16)
Study the set-ups shown below. Each test tube contains few bean seeds on the cotton wool. Farheen wants to carry out an experiment to show that warmth of the light is needed for germination to take place. Which of the two set-ups should she use?
A)
P and W done
clear
B)
R and W done
clear
C)
Q and W done
clear
D)
W and X done
clear
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question_answer17)
Four identical beakers, W, X, Y and Z, were set up as shown below and placed under sunlight for a day. In which beaker will the concentration of carbon dioxide be the highest?
A)
B)
C)
D)
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question_answer18)
Three different species of plants were selected by scientists who wanted to document their methods of seed dispersal. The graphs below show the approximate number of seedlings found at various radii around the parent plant.
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What are the correct methods of seed dispersal of each plant?
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A)
B)
C)
D)
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question_answer19)
The given figure shows some of the stages in the agricultural practice. Arrange them in the correct sequence of order and select the correct option.
A)
\[d\to c\to e\to a\to b\] done
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B)
\[c\to e\to b\to d\to a\] done
clear
C)
\[a\to b\to e\to d\to c\] done
clear
D)
\[d\to b\to e\to a\to c\] done
clear
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question_answer20)
The given diagram shows the life cycle of a plant.
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Which of the following statements are true regarding it?
(i) Sunlight is not needed at stage Q. |
(ii) Photosynthesis takes place only at stages R and S. |
(iii) Stage P is not affected by what happens at stage T. |
(iv) The seed at stage P needs air, water and warmth to reach stage Q. |
A)
(i) and (iv) only done
clear
B)
(ii) and (iii) only done
clear
C)
(i), (ii) and (iii) only done
clear
D)
(i), (ii), (iii) and (iv) done
clear
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