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Knowledge and understanding

100

Which part of the plant absorbs water from the soil?

• a) Flower
• b) Leaf
• c) Root
• d) Stem

 

c) Root

200

Which gas do plants take in from the air during photosynthesis?

• a) Oxygen
• b) Carbon dioxide
• c) Nitrogen
• d) Helium

b) Carbon dioxide

300

What food do plants make during photosynthesis? 

• a) Sugar (Glucose)
• b) Milk
• c) Protein
• d) Salt

a) Sugar (Glucose)

400

Which gas do plants release into the air during photosynthesis? 

• a) Carbon dioxide
• b) Nitrogen
• c) Oxygen
• d) Hydrogen

c) Oxygen

500

Which group shows everything a plant needs to make food? 

• a) Water, sunlight, carbon dioxide 
• b) Water, milk, sunlight
• c) Soil, oxygen, milk
• d) Carbon dioxide, sand, sunlight

• a) Water, sunlight, carbon dioxide

Real life application

100

Why do people often plant trees around their homes? 

• a) Trees release oxygen into the air
• b) Trees make furniture immediately
• c) Trees need less water
• d) Trees stop rain

• a) Trees release oxygen into the air

200

Riya covered a plant with a box for several days. Why might the plant have trouble making food?

• a) Getting sunlight
• b) Getting water
• c) Growing roots
• d) Absorbing soil

a) Getting sunlight

300

Meera notices that a plant kept in a dark corner looks weak. What is the main reason? 

• a) It is not getting enough sunlight
• b) It has too many leaves
• c) It has too much air
• d) It has too many roots

• a) It is not getting enough sunlight

400

11. Your friend says plants only need water to live. Which is the best response?

• a) Plants need only water.
• b) Plants need water ,air and sunlight to make food.
• c) Plants need only soil.
• d) Plants need only air.

• b) Plants need water ,air and sunlight to make food.

500

Two plants are given the same amount of water. One is kept in sunlight and the other in a dark room. Which plant will make more food? 

• a) The plant in sunlight
• b) The plant in the dark room
• c) Both plants
• d) Neither plant

• a) The plant in sunlight

IBT

100

A student wants a plant to make its own food. What should the student provide?

• a) Sunlight, water, and air 
• b) Water and soil
• c) Soil and minerals
• d) Sand and oxygen

• a) Sunlight, water, and air

200

A plant has enough water and sunlight but is kept in a sealed box .Which thing is missing for photosynthesis?

• a) Soil
• b) Carbon dioxide
• c) Roots
• d) oxygen

• b) Carbon dioxide

300

Ravi keeps one plant in sunlight and one in darkness. What can he observe after a few days?

a) The plant in sunlight will be healthier and greener
b) The plant in darkness will look the same as before
c) Both plants will become same.
d) Both plants will stop growing completely

The plant in sunlight will be healthier and greener

400

You see two plants. One is green and healthy, and the other is pale and weak. What could be a reason?

• a) The healthy plant gets sunlight
• b) The healthy plant gets less water
• c) The weak plant gets more sunlight
• d) The weak plant gets more air

• a) The healthy plant gets sunlight

500

If all the trees in a park were removed, what might happen?

• a) Less oxygen would be released into the air
• b) More oxygen would be released
• c) The Sun would disappear
• d) The park would have more green leaves 

Less oxygen would be released into the air