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Science (CBSE-X)

Description: CBSE Class X Science Chapter wise test for Biology.
Number of Questions: 24
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Tags: CBSE Class X Science Biology Chapterwise Tests
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______ is called reduced NADP.

  1. ATP

  2. ADP

  3. NATP

  4. NADPH


Correct Option: D

ADP can be joined with a phosphate group by using energy to form ____.

  1. NADP

  2. ATP

  3. NADPH

  4. all the above


Correct Option: B

What is the full form of RuDP?

  1. Ribose di phosphate

  2. Ribulose di phosphorus

  3. Ribose di phosphorus

  4. Ribulose di phosphate


Correct Option: D

The decomposition of water into hydrogen and oxygen by light energy is called _____.

  1. photosynthesis

  2. photoreceptors

  3. photolysis

  4. photons


Correct Option: C

Photolysis occurs in the ______ reaction of photosynthesis.

  1. first

  2. second

  3. third

  4. all of these


Correct Option: B

Omnivorous animals are _____.

  1. plant eaters

  2. meat eaters

  3. both 1 and 2

  4. none of the above


Correct Option: C

During photosynthesis, the energy absorbed by chlorophyll carries out ______ reactions.

  1. 2

  2. 3

  3. 4

  4. 5


Correct Option: B

The light independent reactions take place in the ______ of the chloroplast.

  1. stroma

  2. thylakoids

  3. leaves

  4. none of the above


Correct Option: A

All the animals can be divided into ______ groups on the basis of their food habits.

  1. 2

  2. 3

  3. 4

  4. 5


Correct Option: B

ATP contains ______ phosphates in its molecule.

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: C

Hippopotamus is a ______.

  1. carnivore

  2. herbivore

  3. omnivore

  4. none of these


Correct Option: B

The mode(s) of nutrition in amoeba is/are

  1. holozoic

  2. heterotrophic

  3. monozoic

  4. All of the above


Correct Option: A

NADP can react with ______ to form NADPH.

  1. hydrogen

  2. oxygen

  3. carbon

  4. nitrogen


Correct Option: A

ADP has ______ energy content.

  1. more

  2. less

  3. no

  4. moderate


Correct Option: C

The process in which the food containing large insoluble molecules is broken down into small molecules is called as ______.

  1. ingestion

  2. digestion

  3. absorption

  4. assimilation


Correct Option: B

The scientific word used for taking food into mouth is _____.

  1. ingestion

  2. eating

  3. digestion

  4. assimilation


Correct Option: A

Amoeba removes its undigested food by ______.

  1. its anus

  2. rupturing its membrane

  3. vomiting

  4. all of the above


Correct Option: B

Phagocytosis means _____.

  1. cell dying

  2. cell growing

  3. cell feeding

  4. cell generating


Correct Option: C

In ______ stage, the absorbed food is used for energy, growth and repair.

  1. absorption

  2. digestion

  3. assimilation

  4. egestion


Correct Option: C

The process of obtaining food by amoeba is called _____.

  1. phagocytosis

  2. photolysis

  3. photosynthesis

  4. none of the above


Correct Option: A

Amoeba ______ blood system to carry the digested food.

  1. requires

  2. does not require

  3. sometimes requires

  4. always requires


Correct Option: B

The food vacuole formed in the amoeba is known as _____.

  1. temporary brain

  2. temporary stomach

  3. temporary heart

  4. temporary digestion


Correct Option: B

Amoeba ingests food by using its _____.

  1. legs

  2. hands

  3. pseudopodia

  4. none of the above


Correct Option: C

There are ______ main steps in the process of nutrition in animals.

  1. 2

  2. 3

  3. 4

  4. 5


Correct Option: D
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