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NUTRITION

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Ultimate source of energy for all living organisms is

a)

Plants

b)

Atmosphere

c)

Earth

d)

Sun

2.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Vitamins

c)

Protein

d)

Fats

3.

Which of the following is a parasite

a)

Fungus

b)

Cuscuta

c)

Mushroom

d)

Bacteria

4.

Which of the following is not necessary for the process of photosynthesis

a)

Chlorophyll

b)

Oxygen

c)

Carbon dioxide gas

d)

Water

5.

Which of the following component of food contains Nitrogen

a)

Protein

b)

Fat

c)

Minerals

d)

Carbohydrate

6.

The plant which traps and feeds on insects is

a)

Cuscuta

b)

Mushroom

c)

Pitcher Plant

d)

China rose

7.

Organisms which produce their own food are called

a)

Heterotrophs

b)

Saprotrophs

c)

Autotrophs

d)

Parasites

8.

Which part of the plant takes carbon dioxide from air for Photosynthesis

a)

Root Hair

b)

Stomata

c)

Leaf Veins

d)

Petals

9.

Which term is synonymous with producers?

a)

Autotrophs

b)

Heterotrophs

c)

Herbivores

d)

Carnivores

10.

Identify what is shown in the picture

a)

chlorophyll

b)

stomata

c)

carbon dioxide

d)

veins

11.

The presence of __________ in leaves indicates the occurrence of photosynthesis.

a)

Oxygen

b)

Starch

c)

Proteins

d)

Fats

12.

Iodine used to detect presence of starch. It gives starch

a)

(a) red colour

b)

(b) green colour

c)

(c) blue-black colour

d)

(d) colourless appearance

13.

Which of these is the correctly balanced equation for photosynthesis?

a)

C6H12O6 + 6O2 → 6CO2 + 6H2O

b)

C6H12O6 + 6O2 → 6CO2 + 6H2O

c)

C6H12O6 + 6CO2 → 6O2 + 6H2O

d)

CO2 + H2O → CH2O + O2

e)

6CO2 + 6H2O-->C6H12O6 + 6O2

14.

Which useful energy transfer or conversion happens overall in photosynthesis?

a)

Chemical → light

b)

Light → heat

c)

Light → chemical

d)

Chemical → heat

15.

In the activity for CO2 is essential for the photosynthesis process.

Role of KOH is to (a) and Vaseline is to (b).

a)

(a)Absorbs O2 (b)Maintains constant temperature

b)

(a)Absorbs CO2 (b)Maintains constant temperature

c)

(a)Maintains air tight condition (b)Maintains constant temperature

d)

(a)Absorbs CO2 (b)Maintains air tight condition

16.

How saprophytes and parasites different from each other,even-though digestion of nutrient is not done in any of these bodies?

a)

saprophytes absorbs food from host and parasites from dead host

b)

saprophytes absorbs food from dead host and parasites from living host

c)

saprophytes don't digest food but absorbs food from dead host and parasites from living host

d)

saprophytes digest food outside the body and absorbs digested food from dead host and parasites from living host

e)

saprophytes digest food outside the body and absorbs digested food from dead host and parasites don't have enzymes and don't do digestion ,simply absorbs digested food from living host.