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10th class Biology

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Photosynthesis occurs in this part of the plant.

a)

Chloroplasts

b)

Mitochondria

c)

Cytoplasm

d)

Ribosomes

2.

Iodine is used to test the presence of…..

a)

Glucose

b)

Light

c)

Starch

d)

Carbon dioxide

3.

CO2,H2O, sunlight and.......are required for photosynthesis .

a)

CO2

b)

Blue light

c)

Red light

d)

Chlorophyll

4.

Transpiration is highest during:

a)

Rainy season

b)

Winter

c)

Summer

d)

Autumn

5.

Carbohydrates in the plants are stored in the form of

మొక్కలలో కార్బోహైడ్రేట్లు ఏ రూపంలో నిల్వ చేయబడతాయి

a)

Sucrose

b)

Starch

c)

Fructose

d)

Glucose

6.

Which part of the plant takes in carbon dioxide from the air for photosynthesis

a)

Root hair

b)

Stomata

c)

Leaf veins

d)

Bacteria and fungi

7.

Who studied the veins in the leg in the year 1574

1574 లో కాలి లోని సిరలను గురించి అధ్యయనం చేసినది ఎవరు

a)

Marcello Malpighi

b)

William Harvey

c)

Girolama Fabrici

8.

Which organelle of the leaf absorb energy from the sun light for photosynthesis

కిరణజన్య సంయోగక్రియ లో మొక్కలోని ఏ భాగం కాంతి శక్తిని శోషించుకుంటుంది

a)

Chlorophyll

పత్ర హరితం

b)

Chloroplast

హరితరేణువు

c)

Mitochondria

మై టో కాండ్రియా

d)

Nucleus

కేంద్రకం

9.

CO2,H2O, sunlight and.......are required for photosynthesis .

a)

CO2

b)

Blue light

c)

Red light

d)

Chlorophyll

10.

Which of the following statements about the autotrophs is incorrect?

a)

They synthesize carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll

b)

They store carbohydrates in the form of starch

c)

They convert carbon dioxide and water into carbohydrates in the absence of sunlight

d)

They constitute the first trophic level in food chains

11.

Bile juice is secreted by

a)

Stomach

b)

Pancreas

c)

Small intestine

d)

Liver

12.

Temporary finger like extensions on amoeba are called

a)

Cell membrane

b)

Cell wall

c)

Pseudopodia

d)

Cilia

13.

Carbohydrates in the plants are stored in the form of

a)

Glycogen

b)

Starch

c)

Glucose

d)

Maltose

14.

Respiratory structures in mangroves

a)

Roots

b)

Stem

c)

Leaves

d)

Breathing roots

15.

Name the flat muscle that separates our body into two parts

a)

Skeletal muscle

b)

Rib muscle

c)

Diaphragm

d)

None

16.

Trachea is also called

a)

Food pipe

b)

Wind pipe

c)

Bone marrow

d)

None

17.

Where does light reaction of photosynthesis take place?

a)

Grana of chloroplast

b)

Stroma of Chloroplast

c)

Cytoplasm of cell

d)

Mitochondria

18.

Which two substances are the products of photosynthesis ?

a)

Carbon dioxide and glucose

b)

Carbon dioxide and water

c)

Oxygen and Carbon dioxide

d)

Oxygen and Glucose

19.

Which of the following is a reactant of cellular respiration?

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Glucose and Oxygen

20.

The term respiration is derived from

a)

Latin

b)

Greek

c)

Both

d)

None