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10th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

Question # 1

The primary chemical stimulus for breathing is the concentration of.

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Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

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Question # 2

The alternate forms of a gene are called:

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traits

companion genes

alleles

homologous genes

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Question # 3

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

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Question # 4

Living of nitrogen fixing bacteria in the roots nodules of Leguminous plant is an example of.

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Predation

Parasitism

Mutualism

Commensalism

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Question # 5

The chemical composition of glomerulus filtrate is:

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Water + salts + glucose + urea

salts + glucose + blood cells

blood cells + proteins + water

glucose + urea + proteins + water

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Question # 6

What an embryologist lan Wilmot produced from the body cell sheep in Scotland 1997?

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Sheep

Goat

Cow

Buffalo

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Question # 7

Ripened ovary is called:

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Sperm

Seed

Egg

Fruit

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Question # 8

The gas produced in mesophyll cells as by product during day time is called.

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Oxygen

Carbon dioxide

Nitrogen

Chlorine

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Question # 9

By drinking plenty of water how many stones can be avoided?

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20%

30%

50%

90%

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Question # 10

The typical volume of urine produced by an average adult per day is:

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1 liter

2 liter

1.4 liter

5 liter

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Question # 11

Is an Analgesic:

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Diazepam

Aspirine

Paracetamol

Both B and C

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Question # 12

In a nucleosome, DNA is wrapped around protein named.

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Insulin

Interferon

Histone

Haemoglobin

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Question # 13

After fertilization in plant the fruit develops from:

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Wall of ovule

Petals

Wall of ovary

Anther

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