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Biology 9th Class English Medium Chapter 8 Online Test MCQs With Answers

Question # 1

Inactive pepsinogen in juice require ___________ for its activated form (pepsin)

Choose an answer

H2SO4

HCl

HNO3

Saliva

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Question # 2

................. in blood stream plays an important role in blood clotting.

Choose an answer

Calcium

Phosphorus

Nitrogen

Potassium

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Question # 3

................. produce bile.

Choose an answer

Stomach

Liver

Intestine

All

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Question # 4

The pancreas produces digestive enzymes and releases them into the:

Choose an answer

Colon

Gallbladder

Liver

Duodenum

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Question # 5

If gram of carbohydrates is fully oxidized it produce about .............. kilojoules of energy.

Choose an answer

16 Kilojoules

17 Kilojoules

18 Kilojoules

19 Kilojoules

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Question # 6

The secretion of liver is:

Choose an answer

Pepsin

Bile

Rennin

Lipase

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Question # 7

The ileum is about ................ meters long.

Choose an answer

2.6

2.5

2.4

2.3

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Question # 8

Breaking of large molecules of fats into small droplets is called:

Choose an answer

Emulsification

Digestion

Assimilation

Egestion

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Question # 9

The process of breaking down large droplets of fat into small droplets of fat is called:

Choose an answer

Emulsification

Absorbtion

Peristalsis

Digestion

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Question # 10

What may be the reason that children need more calcium and iron?

Choose an answer

Both calcium and iron for bones

Both calcium and iron for blood

Calcium for blood and iron for bones

Calcium for bones and iron for blood

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Question # 11

Where are the villi found?

Choose an answer

Esophagus

Stomach

Small intestine

Large intestine

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Question # 12

.................. is most abundant substance in human body.

Choose an answer

Water

Carbon

Nitrogen

Phosphorus

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Question # 13

Nitrogen is present in:

Choose an answer

Carbohydrates

Protein

Nucleic acid

Lipids

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