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Biology 10th Class English Medium Online Test MCQs With Answers

Question # 1

Adenine always pairs with:

Choose an answer

Guanine

Cytosine

Uracil

thymine

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Question # 2

The materials flow forms one trophic level to the next by means of:

Choose an answer

food chains

food webs

energy pyramids

both A and B

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Question # 3

The material that has weakened pathogenes.

Choose an answer

Antibiotic

Analgesic

Vaccine

Quinine

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Question # 4

The respiratory centre is present in :

Choose an answer

Lungs

Brain

Nose

Muscles

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Question # 5

Number of Ribs in man are:

Choose an answer

10 pairs

12 pairs

20 Pairs

22 pairs

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Question # 6

The rise of the bread is due to;

Choose an answer

carbon dioxide

ethanol

acetaldehyde

pyruvic acid

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Question # 7

Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:

Choose an answer

Discontinuous variations

Continuous variations

Both a and b

None of these

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Question # 8

Enzyme is used to cut the adentified gene from the total DNA of Donar organism is:

Choose an answer

Endonuclease

Ligase

Restriction endonuclease

Amylase

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Question # 9

An example of carnivores plant is.

Choose an answer

Mosses

Ferns

Rose plant

Sundew

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Question # 10

Which one is used for the production of plastics?

Choose an answer

Bacillus

Aspergillus

Saccharomyces

None of these

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Question # 11

The largest part of brain is;

Choose an answer

Forebrain

Midbrain

Hindbrain

Spinal cord

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Question # 12

Which of the following is not an example of green house gas?

Choose an answer

CO₂

Methane

Oxygen

Nitrous oxide

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Question # 13

The loss of water in the form drops from tips of leaf is called.

Choose an answer

Evaporation

Transpiration

Guttation

Excretion

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