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

Question # 1

In which group of the following is present Mg?

Choose an answer

Chlorophyll

Cytochrome

Haemoglobin

None of these

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Question # 2

In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .

Choose an answer

1:2

2:1

2:2

3:2

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Question # 3

Saliva is alkaline and contains an enzyme:

Choose an answer

Pepsine

Rennin

Ptyalin

Amylase

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Question # 4

Which food group is our body's best source of energy?

Choose an answer

Meat Group

Fats,oils and sweets

Breads and cereals

Milk and cheese

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Question # 5

Are the major source of energy .

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Protein

Lipid

Crabohydraets

Vitamins

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Question # 6

Rickets develops due to deficiency of _____________ vitamin.

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Question # 7

Good calcium along with low salt and high potassium intake prevents from:

Choose an answer

Hypertension

Kidney stone

a and b

None

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Question # 8

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

Choose an answer

Stomach

Liver

Intestine

All

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Question # 9

Which of the following element is component of chlorophyll?

Choose an answer

Iron

Magnesuim

Nitrogen

Sulphur

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Question # 10

................. prevent rickets in children & aoreomalacia in adults.

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Vitamin A

Vitamin E

Vitamin D

Vitamin K

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Question # 11

Many bacteria in colon produce vitamin ____________ necessary for coagulation of blood.

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Question # 12

Which of the following does not occur in the oral cavity?

Choose an answer

Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

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Question # 13

Fats belong to a group of substance called .............. .

Choose an answer

Carbohydrates

Lipid

Protein

Vitamins

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