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Nutrition in living organisms plants

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

The term that is used for the mode of nutrition in yeast, mushroom and bread moulds.

a)

Autotrophs

b)

Insectivorous

c)

Saprophytic

2.

Lichens are the association of -

a)

An autotroph and a saprotroph

b)

An autotroph and a heterotroph

c)

An autotroph and a parasite

3.

Farmers donot apply nitrogenous fertilizers in the cultivation of pulses plant. Why?

a)

Pulses plant already have stored nitrogenous compounds

b)

Pulses plant donot need the compound of nitrogen

c)

Pulses plant derive nutrition from the symbiotic association

4.

Algae and fungi are-

a)

Autotroph and saprotroph

b)

Autotroph and parasite

c)

Heterotroph and parasite

5.

Tiny pores present on the surface of leaves of the plants for exchange of gases are called-

a)

Stomata

b)

Chloroplast

c)

Spiracles

6.

Rhizobium is the example of -

a)

Symbiosis

b)

Parasites

c)

Insectivores

7.

Iodine used to detect presence of starch. It gives starch -

a)

Red colour

b)

Blue black colour

c)

Green colour

8.

Which part of the plant gets carbon dioxide from the air for photosynthesis

a)

Root hair

b)

Stomata

c)

Leaf veins

9.

Amarbel (cuscuta) is an example of -

a)

Autotroph

b)

Parasite

c)

Saprotroph

10.

The plant that trap and feed on insects is -

a)

Cuscuta

b)

China rose

c)

Pitcher plant

11.

Green plants use which of the following to prepare food?

a)

Carbon dioxide

b)

Water

c)

Both of these

12.

Which of the following statements is NOT true?

a)

Heterotrophs cannot prepare their own food

b)

Dodder is an example of parasite

c)

Saprophytes are green

13.

The main function of a leaf is-

a)

To prepare food

b)

To prevent disease

c)

To support the plant

14.

Photosynthesis is not possible in the absence of-

a)

Guard cells

b)

Chlorophyll

c)

Vacuole

15.

Chlorophyll helps the plant in trapping the sunlight from atmosphere. Which one of the following plants donot require chlorophyll to obtain food?

a)

Green plants

b)

Non green plants

c)

None of these