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question_answer1)
In the above diagram, the arrow marks represent:
A)
preparation of food by plants done
clear
B)
release of carbon dioxide done
clear
C)
absorption and transportation of water and minerals done
clear
D)
all the above done
clear
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question_answer2)
Plants get carbon dioxide from the;
A)
soil done
clear
B)
sand done
clear
C)
leaves done
clear
D)
air done
clear
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question_answer3)
The main purpose of plant's flowers is:
A)
provide support done
clear
B)
provide water done
clear
C)
produce seeds done
clear
D)
produce food done
clear
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question_answer4)
The leaves of plants are green. The reason is:
A)
they are born from green-coloured seeds done
clear
B)
photosynthesis occurs in the leaves done
clear
C)
the presence of a green pigment called chlorophyll done
clear
D)
due to the presence of network of veins done
clear
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question_answer5)
After studying photosynthesis, Neelima drove the illustration of a plant shown below.
Arrow - 1 represents:
A)
release of water and minerals by the plant into soil done
clear
B)
release of carbon dioxide in to the soil done
clear
C)
absorption of water and minerals by the roots from the soil done
clear
D)
release of oxygen into the atmosphere done
clear
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question_answer6)
After studying photosynthesis, Neelima drove the illustration of a plant shown below.
Absorption of carbon dioxide by the plant from the atmosphere is represented by the arrow.
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
none of these done
clear
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question_answer7)
After studying photosynthesis, Neelima drove the illustration of a plant shown below.
Release of ____ gas is represented by arrow 2.
A)
oxygen done
clear
B)
carbon dioxide done
clear
C)
water done
clear
D)
minerals done
clear
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question_answer8)
After studying photosynthesis, Neelima drove the illustration of a plant shown below.
Leaves are green due to the presence of a green pigment called chlorophyll. The main function of chlorophyll is:
A)
to absorb carbon dioxide from the atmosphere done
clear
B)
to absorb water and minerals from the soil done
clear
C)
to give greenish color to the leaves done
clear
D)
to perform photosynthesis in the presence of sunlight done
clear
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question_answer9)
The mushroom shown above gets its food:
A)
from dead and decaying plants done
clear
B)
from photosynthesis done
clear
C)
by eating small insects which come near it done
clear
D)
from the water we pour near it done
clear
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question_answer10)
Which of the following is NOT needed for photosynthesis?
A)
Iodine solution done
clear
B)
Carbon dioxide done
clear
C)
Chlorophyll done
clear
D)
Water done
clear
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question_answer11)
Which of the following are called food factories of the plant?
A)
Leaves done
clear
B)
Stem done
clear
C)
Roots done
clear
D)
Flowers done
clear
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question_answer12)
Plants store extra food in the form of:
A)
oxygen done
clear
B)
carbon dioxide done
clear
C)
chlorophyll done
clear
D)
starch done
clear
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question_answer13)
Which of the following is used to observe the cells of a leaf?
A)
B)
C)
D)
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question_answer14)
When you are eating sugarcane, you are actually eating the:
A)
fruits of sugarcane done
clear
B)
roots of sugarcane done
clear
C)
stem of sugarcane done
clear
D)
grains of sugarcane done
clear
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question_answer15)
At which of the following time may a plant be preparing food?
A)
6 a.m. done
clear
B)
10 a.m. done
clear
C)
10 p.m. done
clear
D)
midnight done
clear
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question_answer16)
Which of the following is a seed containing stored food?
A)
B)
C)
D)
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question_answer17)
The tiny pores present on the leaves of plants are called:
A)
stomata done
clear
B)
cells done
clear
C)
chlorophyll done
clear
D)
grains done
clear
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question_answer18)
Veins:
A)
absorb water and minerals from the soil done
clear
B)
absorb carbon dioxide from the atmosphere done
clear
C)
transport water, food and minerals in a leaf done
clear
D)
release oxygen and carbon dioxide into the atmosphere done
clear
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question_answer19)
Many plants wilt in the summer time because they do not have enough:
A)
flowers done
clear
B)
water done
clear
C)
heat done
clear
D)
leaves done
clear
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question_answer20)
The root system in the diagram shown is:
A)
fibrous roots done
clear
B)
tap roots done
clear
C)
storage roots done
clear
D)
none of these done
clear
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question_answer21)
Which of the following parts of the plant lies under the ground?
A)
Leaves done
clear
B)
Stem done
clear
C)
Flowers done
clear
D)
Roots done
clear
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question_answer22)
Which of the following plants have fibrous roots?
A)
B)
C)
D)
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question_answer23)
In fibrous roots:
A)
small side roots grow from a main root done
clear
B)
number of roots grow from the end of stem done
clear
C)
parallel roots grow from the stem done
clear
D)
branches of the plant grow roots done
clear
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question_answer24)
Which of the following provides water and mineral salts to the plant?
A)
Stem done
clear
B)
Flowers done
clear
C)
Fruits done
clear
D)
Roots done
clear
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question_answer25)
Which of the following part of a plant prepares food?
A)
B)
C)
D)
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question_answer26)
In carrot, what part of the plant stores food?
A)
Leaves done
clear
B)
Stem done
clear
C)
Fruit done
clear
D)
Root done
clear
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question_answer27)
Which part of the plant carries water and minerals from roots to other parts of the plant?
A)
Roots done
clear
B)
Stem done
clear
C)
Flowers done
clear
D)
Buds done
clear
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question_answer28)
Which part of the plant carries food prepared in the leaves to the other parts of the plant?
A)
Roots done
clear
B)
Leaves done
clear
C)
Stem done
clear
D)
Flowers done
clear
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question_answer29)
Which of the following grows into seeds?
A)
Roots done
clear
B)
Leaves done
clear
C)
Stem done
clear
D)
Flowers done
clear
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question_answer30)
The flat, broad part of a leaf is called:
A)
leaflet done
clear
B)
leaf blade done
clear
C)
chlorophyll done
clear
D)
vein done
clear
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question_answer31)
Which of these carry water into a leaf?
A)
Leaf blade done
clear
B)
Veins done
clear
C)
Chlorophyll done
clear
D)
Roots done
clear
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question_answer32)
Photosynthesis is:
A)
transporting water and minerals done
clear
B)
carrying the prepared food done
clear
C)
preparation of food in leaves done
clear
D)
growing of flowers into seeds done
clear
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question_answer33)
Which of the following have one seed in their fruits?
A)
Tomato done
clear
B)
Apple done
clear
C)
Banana done
clear
D)
Mango done
clear
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question_answer34)
Which of the following have many seeds in their fruits?
A)
Tomato done
clear
B)
Apple done
clear
C)
Both tomato and apple done
clear
D)
Neither tomato nor apple done
clear
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question_answer35)
Which of the following has no seeds?
A)
Tomato done
clear
B)
Apple done
clear
C)
Pear done
clear
D)
Banana done
clear
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question_answer36)
Which of the following are the basic needs of plants?
P - Temperature |
Q - Air |
R - Water |
S - Sunlight |
A)
P and Q only done
clear
B)
P and R only done
clear
C)
P, Q and R only done
clear
D)
Q, R and S only done
clear
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question_answer37)
The figure given below shows an experiment, where a leaf is covered with a plastic bag. After an hour, it was observed that droplets of water were formed inside the bag. These droplets come out from which of the following parts of the leaf?
A)
Leaf blade done
clear
B)
Leaf vein done
clear
C)
Stomata done
clear
D)
Leaf stalk done
clear
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question_answer38)
Name the green colouring substance that is present in leaves?
A)
Carotene done
clear
B)
Salts done
clear
C)
Chlorophyll done
clear
D)
All of these done
clear
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question_answer39)
Which of the following should come in the empty box given below?
A)
Flowers done
clear
B)
Stem done
clear
C)
Fruit done
clear
D)
Bark done
clear
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question_answer40)
Which of the following is not matched correctly?
A)
Root hair - absorption done
clear
B)
Flowers - reproduction done
clear
C)
Stem - grows towards light done
clear
D)
Chlorophyll - respiration done
clear
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question_answer41)
Huge trees like the mango tree, have what kind of roots?
A)
Tap roots done
clear
B)
Fibrous roots done
clear
C)
A mixture of tap and fibrous roots done
clear
D)
Aerial roots done
clear
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question_answer42)
Which of the following gases is NOT released by the leaves of a plant?
A)
Carbon dioxide done
clear
B)
Oxygen done
clear
C)
Nitrogen done
clear
D)
Water vapour done
clear
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question_answer43)
The main purpose of flowers is to:
A)
transport water done
clear
B)
produce seeds done
clear
C)
produce food done
clear
D)
transport food done
clear
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question_answer44)
Which of the following stores food for the baby plant?
A)
Leaf done
clear
B)
Seed done
clear
C)
Stem done
clear
D)
Roots done
clear
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question_answer45)
Which of these will grow into a new plant?
A)
A fallen leaf done
clear
B)
a fallen flower done
clear
C)
A fallen seed done
clear
D)
A buried flower petal done
clear
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