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Photosynthesis

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Type which colour will be of the leaf after carefully observing this image .

( Type the colour will be the colour of the leaf after adding a few drops if the Iodine Solution )

(a)  

2.

The Chlorophyll is present in the _____________ of the cells .

a)

Cuticle

b)

Stomata

c)

Chloroplast

d)

Epidermis

e)

None of the above

3.

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

a)

Dark reactions 

b)

Chlo

c)

Carbohydrates 

d)

Hydrogen 

e)

Light Energy  

4.

What is released during photosynthesis ?

a)

Oxygen

b)

Carbon Dioxide

c)

All of the above

d)

None of the above

5.

What are the essential factors of Photosynthesis?

a)

Sunlight , Carbon - Dioxide , Temperature,Water , Oxygen

b)

Sunlight , Glucose , Carbon dioxide ,Water , Chloroplast

c)

Sunlight , Carbon - Dioxide , Temperature,Water ,Chlorophyll

6.

Light of very high intensity destroys ____________________ and reduces Photosynthesis

a)

Co2

b)

Temperature

c)

Water

d)

Thylakoid

e)

Chlorophyll

7.

The upper epidermis of some leaves have a waxy outer covering called _________.

a)

Epidermis

b)

Stomata

c)

Mesophyll layer

d)

Nucleus

e)

Cuticle

8.

What are the end - products of the photosynthetic process ?

a)

Glucose , Carbon - Dioxide

b)

Oxygen , Glucose , Water

c)

Chlorophyll, Water

d)

Glucose , Oxygen

e)

None of the above

9.

Living organisms that can manufacture their own food ______________

a)

Heterotrophs

b)

Plants

c)

Autotrophs

d)

None of the above

e)

All of the above

10.

The layer of the leaf between the upper and lower epidermis is called ____________

a)

Thylakoid

b)

Mesophyll Layer

c)

Stomata

d)

Nucleus

e)

Epidermis

11.

______________ is the most important factor for photosynthesis.

a)

Co2

b)

Temperature

c)

Water

d)

Sunlight

e)

Chlorophyll

12.

Observe the image carefully and think and then answer , looking at the image do you feel that trees contribute to reduce this threat ?

a)

Yes

b)

No

13.

Various minerals and gases are regulated by plants through______________ method .

a)

Biogeochemical

b)

Chemical

c)

None of the above

d)

All of the above

14.

_______________ adversely affects the rate of photosynthesis.

a)

Pollution

b)

Air pollution

c)

Water pollution

d)

Atmospheric pollution

e)

None of the above

15.

Tigers indirectly depend on plants for food ( State true or false )

a)

True

b)

False