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photosynthesis

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

The part of the plant that is under the ground

a)

stem

b)

root

c)

shoot

2.

TRUE or FALSE: Animals can make their own food inside themselves.

a)

True

b)

False

3.

Human beings can be categorised as :

a)

parasite

b)

heterotrophs

c)

autotrophs

d)

saprotrophs

4.

Name the pigment present in green plants that helps in photosynthesis.

a)

Chlorophyll.

b)

photosynthesis

c)

sunlight

d)

none

5.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
6.

What is released during photosynthesis ?

a)

Oxygen

b)

Carbon Dioxide

c)

All of the above

d)

None of the above

7.

Carbon Dioxide(CO2) + Water + ______________ + Chlorophyll + Glucose + Oxygen 

a)

Dark reactions 

b)

Chlo

c)

Carbohydrates 

d)

Hydrogen 

e)

Light Energy  

8.

What are the products of photosynthesis?

a)

lipids

b)

carbs and reactants essential for aerobic respiration

c)

starches

d)

carbs and reactants essential for anaerobic respiration

9.
Which of the following organisms is autotrophic?
a)
mushroom
b)
mold
c)
green tree frog
d)
cyanobacterium
10.

What is the role of Chlorophyll in photosynthesis?

a)

It breaks the hydrogen bonds in water molecules

b)

It converts light energy into chemical energy contained in bonds

c)

It releases absorbs green light waves and reflects all of the other ones

d)

it provides energy for the light dependent reactions

11.

Power house of the cell

a)

Lysosomes

b)

Ribosomes

c)

Mitochondria

d)

Carbon

12.

RBC..,..,.full form



(a)  

13.

The role of water molecule in light dependent reaction is to …

a)

Hydrolyse NADP+ at the end of the electron transport chain.

b)

Involve directly in the production of ATP.

c)

Replace the excited electron of reaction centre molecule in photosystem II.

d)

Involve directly in Calvin cycle.

14.

Green colour pigment in the leaves

(a)  

15.

Carbon dioxide is released during photosynthesis

a)

yes

b)

no