Question # 1

Effectors include;

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Only muscles

Only glands

Muscles and glands

Brain

The rate of breathing at rest in human is:

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16-20 times per minute

70-80times per minute

80-100times per minute

10 -20 times per minute

In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

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Citric acid

Lactic acid

Pyruvic acid

Formic acid

The disease of bone in which the density of bones decrease due to loss of calcium and phosphorus is:

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Osteoporosis

Osteoarthritis

Rheumatold arthritis

Gout

How many pairs of homologous chromosomes are present in human body cells:

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22

23

24

25

Who presented the idea of sterile surgery for the first time:

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Sir Alexender Fleming

Joseph Lister

Thomas Grill

Lamarck

Corals reproduce by means of:

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Binary fission

Fragmentation

Budding

Sexual Reproduction

What happens during Exhalation?

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Ribs muscles relax

Diaphragm become dome shaped

Pressure on lungs increased

All of these

In human and other higher animals, the exchange of gases is carried out by:

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Skin

Respiratory

Air passageway

Lungs

Which one of the following is not an endoparasite?

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Ascaris

Plasmodium

Mosquito

Entamoeba

Planaria reproduces asexually by

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budding

binary fission

parthenogenesis

spore formation

Outer hard layer of bone is called:

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Compact bone

Spongy bone

Cartilage bone

Osteocyte

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

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

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