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Worksheets

3N2_Clarissa_NIP

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

Where are carbohydrates made in green leaf?

a)

Cell vacuole

b)

Chloroplast

c)

Xylem

d)

Phloem

2.

Which one of the following is produces by photosynthesis?

a)

Carbon dioxide

b)

Chlorophyll

c)

Nitrogen

d)

Sugar(glucose)

3.

Factors affecting rate of photosynthesis, which of the following is not?

a)

Temperature

b)

Oxygen

c)

Light intensity

d)

carbondiaxide

4.

Pitcher plants traps insect because it...?

a)

Grows in soil which lack in nitrogen

b)

Is a heterotroph

c)

does not have chlorophyll

d)

Have a digestive system like human

5.

Cuticle is transparent to allow maximum absorption of light

a)

False

b)

True

6.

Function of stomata

a)

To transport water and mineral salts

b)

Control the size of the stomata

c)

Control the air going in and out

d)

Allow CO2 to diffuse in and O2 to diffuse out

7.

Which part of a leaf contains the highest concentration of chloroplast?

a)

lower epidermis

b)

upper epidermis

c)

palisade layer

d)

vascular bundle

8.

What is the other factor needed for photosynthesis?

a)

Carboh dioxide

b)

Carbon bioxide

c)

Carbon dioxide

d)

carbon monoxide

9.

Carbon dioxide is absorbed from the atmosphere air through the ........ of the leaves ?

a)

Spongy mesophyll

b)

Roots

c)

stomata

d)

Stomach

10.

Which part of the plant is known as kitchen?

a)

Phloem

b)

Stem

c)

Flower

d)

Leaves

11.

Does all the plants traps sunlight the same way?(Especially those plants that are from different climate)

a)

Yes

b)

No

12.

In non-green plants and animals mode of nutrition is:

a)

Saprophytic

b)

Heterotrophic

c)

Parasite

d)

Autotrophic

13.

What happened to plant if carbon dioxide or water or light energy or chlorophyll is not available? Can the plants still photosynthesis?

a)

Yes, the plant still can photosynthesis

b)

No, the plant cannot photosynthesis

14.

A box lies on some grass for a week. when the box is lifted, the grass underneath has turned yellow. This is caused by lack of

a)

Carbon dioxide

b)

light

c)

oxygen

d)

water

15.

Plants are :

a)

Autotrophs & Heterotrophs

b)

Autotrophs only

c)

Autotrophs & Photoautotrophs

d)

Heterotrophs & Photoautotrophs

16.

Why does the rate of photosynthesis decrease as temperature increases?

a)

Light intensity

b)

Enzyme

c)

Carbon dioxide

d)

None