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question_answer1)
During which of the following times of the day does the process shown here takes place in Plants?
A)
6: 00 a.m only done
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B)
2: 00 p.m only done
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C)
11: 00 a.m only done
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D)
All the time done
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question_answer2)
The four boxes P, Q, R and S given below contain the edible part of the plants.
P | Q | R | S |
Rice Pulses | Mango Pumpkin | Carrot Turnip | Potato Sugarcane |
A ginger can be placed in which of the four boxes given here?
A)
P done
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B)
Q done
clear
C)
R done
clear
D)
S done
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question_answer3)
Which of the following parts of a cactus plant performs photosynthesis?
A)
Spines done
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B)
Stem done
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C)
Roots done
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D)
Leaves done
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question_answer4)
In which of the following processes, the release of oxygen by plants takes place?
A)
Respiration done
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B)
Digestion done
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C)
Reproduction done
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D)
Photosynthesis done
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question_answer5)
Which of the following is a seed containing stored food?
A)
Potato done
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B)
Mango done
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C)
Maize done
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D)
Grapes done
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question_answer6)
The leaves of plants are green because
A)
they are formed from green coloured seeds. done
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B)
they absorb green liquid. done
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C)
of the presence of a green pigment called chlorophyll. done
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D)
of the presence of the network of veins. done
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question_answer7)
Harish wants to test the presence of starch in a leaf. Given below are the in striations to conduct the experiment. Which of the following step is NOT necessary?
A)
Boil the leaf first in water and then in alcohol. done
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B)
Wash the bleached leaf. done
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C)
Heat the leaf on a hot flame. done
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D)
Add a few drops of iodine solution to the bleached leave. done
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question_answer8)
Abhi covered a leaf of a potted plant and kept the plant under sunlight for a few days and then tested it with iodine solution for the presence of starch in it. The colour of the covered leaf did not turn blue-black. What does this indicate?
A)
The black cover absorbed all the starch present in the leaf. done
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B)
Iodine solution does not work with black covers. done
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C)
Starch is evaporated from the leaves. done
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D)
Starch is prepared only in the presence of sun light. done
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question_answer9)
When iodine is added to a starch solution, the color is changed to
A)
blue black. done
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B)
yellow. done
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C)
green. done
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D)
reddish brown. done
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question_answer10)
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
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B)
to absorb water and minerals from the soil. done
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C)
to breathe. done
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D)
to perform photosynthesis in the presence of sunlight. done
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question_answer11)
From the statements given below, Neelima concluded that the dark red coloured croton plants in her garden cannot prepare food on its own.
Statement A: Plants that appear green due to chlorophyll pigment are able to a synthesize their food. |
Statement B: Photosynthesis cannot take place in plants that appear red. |
Which of the following statements prove that her conclusion is wrong?
A)
Croton plants are green but do not contain chlorophyll. done
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B)
Croton plants are dark red in colour and do not contain chlorophyll. done
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C)
Croton plants have chlorophyll but it is hidden by the dark red coloured pigments. done
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D)
Croton plants do not have chlorophyll but they can prepare their own food. done
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question_answer12)
Which of the following are called food factories of the plant?
A)
Leaves done
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B)
Stem done
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C)
Roots done
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D)
Flowers done
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question_answer13)
Plants store extra food in the form of
A)
oxygen. done
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B)
carbon dioxide. done
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C)
chlorophyll. done
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D)
starch. done
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question_answer14)
In carrots, food is stored in
A)
leaves. done
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B)
stem. done
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C)
roots. done
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D)
flowers. done
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question_answer15)
When you eat sugarcane, you are actually eating the
A)
fruit of the sugarcane. done
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B)
root of the sugarcane. done
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C)
stem of the sugarcane. done
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D)
grains of the sugarcane. done
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question_answer16)
A plant was kept in a dark room for a week. When its leaves were tested with iodine solution, it did not show the presence of starch. From this experiment we can conclude that _________ is required for photosynthesis.
A)
sunlight done
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B)
iodine done
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C)
starch done
clear
D)
darkness done
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question_answer17)
Which of the following is a root containing stored food?
A)
B)
C)
D)
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question_answer18)
The tiny pores present on the leaves of plants are called
A)
stomata. done
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B)
cells. done
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C)
chlorophyll. done
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D)
grains. done
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question_answer19)
Veins
A)
absorb water and minerals from the soil. done
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B)
absorb carbon dioxide from the atmosphere. done
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C)
transport water, food and minerals in a leaf. done
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D)
release oxygen and carbon dioxide into the atmosphere. done
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question_answer20)
Plants make their own food and thus do not depend on others. Therefore, they are called:
A)
self made done
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B)
parasites done
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C)
autotrophs done
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D)
heterotrophs done
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question_answer21)
Study the figure given below and answer the questions.
Which of these labelled parts of the plant anchor the plant to the ground?
A)
I done
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B)
II done
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C)
III done
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D)
IV done
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question_answer22)
Study the figure given below and answer the questions.
Which of these parts of the plant is also referred to as a sugar-making factory?
A)
I done
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B)
II done
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C)
III done
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D)
IV done
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question_answer23)
I anchor the plant to the ground. I absorb water and mineral salts from the soil. Who am I?
A)
Root done
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B)
Stem done
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C)
Leaf done
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D)
Flower done
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question_answer24)
Look carefully at the diagram of the plant given below.
What do the arrows indicate?
(i) Water |
(ii) Mineral salts |
(iii) Oxygen |
(iv) Sugar |
A)
Only (i) and (ii) done
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B)
Only (iii) and (iv) done
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C)
Only (i), (ii) and (iii) done
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D)
(i), (ii), (iii) and (iv) done
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question_answer25)
Which of the following plants will be able to carry out photosynthesis?
A)
B)
C)
D)
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question_answer26)
Read the description below.
X supports the plant, it helps in the transportation of food, water and mineral salts, |
Which of these parts of the plant matches the above description about X?
A)
Root done
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B)
Stem done
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C)
Branch done
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D)
Leaf done
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question_answer27)
Which of the following is classified correctly?
A)
B)
C)
D)
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question_answer28)
The diagram given below shows a plant. The arrows in the diagram show the path taken by _____.
A)
Food done
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B)
Sunlight done
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C)
Water done
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D)
Carbon dioxide done
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question_answer29)
The diagram below shows the cross- section of a papaya fruit.
Under suitable conditions, which part of the papaya (P, Q, R or S) will grow into a new plant?
A)
P done
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B)
Q done
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C)
R done
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D)
S done
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question_answer30)
What could the arrow P possibly represent in the diagram given below?
A)
Carbon dioxide done
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B)
Oxygen done
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C)
Water done
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D)
Energy done
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question_answer31)
During photosynthesis, plants absorb ________ gas and release _______gas.
A)
carbon dioxide, oxygen done
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B)
oxygen, carbon dioxide done
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C)
oxygen, nitrogen done
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D)
nitrogen, oxygen done
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question_answer32)
The figure given below shows an experiment.
The plant is responding to
A)
touch. done
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B)
sunlight done
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C)
gravity. done
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D)
water. done
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question_answer33)
Which of the following are the basic needs of the figure given below?
A)
Food and air only done
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B)
Food and water only done
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C)
Air, water and food only done
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D)
Air, water and sunlight done
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question_answer34)
The figure given below shows the result of an experiment.
The experiment shows that the roots respond to
A)
water. done
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B)
touch. done
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C)
gravity. done
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D)
sunlight. done
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question_answer35)
The experiment given below is performed to show that
A)
green plants give out carbon- dioxide during photosynthesis. done
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B)
green leaves absorb chlorophyll. done
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C)
sunlight is not needed to make food. done
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D)
green plants manufacture starch as food. done
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question_answer36)
Where does most of the water needed for photosynthesis come from?
A)
From air through the tiny pores in the leaf. done
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B)
From the soil through the roots of the plant. done
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C)
As a result of respiration within the leaf. done
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D)
From water vapour in the air. done
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question_answer37)
Chlorophyll is a green pigment found in leaves. It is important to the green plants because it
A)
helps the plant in reproduction. done
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B)
traps nitrogen in the air. done
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C)
traps light energy from the sun. done
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D)
absorbs water and mineral salts. done
clear
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question_answer38)
Which of the following is used to test the presence of starch?
A)
Iodine solution done
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B)
Copper sulphate solution done
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C)
Potassium hydroxide done
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D)
Alcohol done
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question_answer39)
Which of the following is the main function of the part labelled 'R' in the figure given below?
A)
Provides support done
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B)
Synthesises food done
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C)
Produces seeds done
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D)
Absorbs water done
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question_answer40)
Which part of the papaya tree conducts water and food to the plant?
A)
P done
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B)
Q done
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C)
R done
clear
D)
S done
clear
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question_answer41)
Which of the following are produced by plants during the process of photosynthesis?
(i) Oxygen |
(ii) Carbon dioxide |
(iii) Sugar |
A)
Only (i) and (ii) done
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B)
Only (i) and (iii) done
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C)
Only (ii) and (iii) done
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D)
(i), (ii) and (iii) done
clear
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question_answer42)
The figure given below represents a process that takes place in the presence of sunlight. Which of the following gases is released during this process?
A)
Hydrogen done
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B)
Carbon dioxide done
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C)
Oxygen done
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D)
Nitrogen done
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question_answer43)
Which of these is of great importance in nature as it helps plants to make their own food in the presence of sunlight?
A)
Oxygen done
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B)
Chlorophyll done
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C)
Carbon monoxide done
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D)
Iodine solution done
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question_answer44)
Match the following and select the correct answer.
Column-I | Column-II |
p. | Ginger | i. | Leaf |
q. | Radish | ii. | Seed |
r. | Spinach | iii. | Root |
s. | Rice | iv. | Stem |
A)
\[p-i,q-iv,\text{ }r-ii,s-iii\] done
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B)
\[p-iv,\text{ }q-iii,\text{ }r-i,\text{ }s-ii\] done
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C)
\[p-i,\text{ }q-ii,\text{ }r-iii,\text{ }s-iv\] done
clear
D)
\[p-iii,\text{ }q-ii,\text{ }r-iv,\text{ }s-i\] done
clear
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question_answer45)
Which of the following structures of plant exchanges gases?
A)
Buds done
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B)
Fruits done
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C)
Leaves done
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D)
Flowers done
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question_answer46)
The stem of a cactus plant prepares food for it. The colour of the stem is
A)
green. done
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B)
brown. done
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C)
red. done
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D)
yellow. done
clear
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question_answer47)
In radish, food is stored in
A)
leaves. done
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B)
stems. done
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C)
roots. done
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D)
flowers. done
clear
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question_answer48)
Study the figure given here and identify gases X and Y.
A)
X - oxygen, Y - carbon dioxide done
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B)
X - carbon dioxide, Y ? oxygen done
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C)
X - nitrogen, Y ? hydrogen done
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D)
X - hydrogen, Y ? nitrogen done
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question_answer49)
Which of the following does not belong to the group formed by the others?
A)
B)
C)
D)
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question_answer50)
During respiration, plants use ________ gas and release ________ gas.
A)
carbon dioxide, oxygen done
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B)
oxygen, carbon dioxide done
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C)
oxygen, nitrogen done
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D)
nitrogen, oxygen done
clear
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