Question # 1

What is the effect of change in pH?

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Digradation of amino acids at active sites

Ionization of amino acids at active sites

Formation of new amino acids at active sites

All of these

The optimum temperature for human enzyme is between:

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10-20°C

20-35°C

35-40°C

5-10°C

Blood is composed of ................. parts.

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One

Two

Three

fOUR

................ are called accessory pigments.

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Chlorophyll II

Xanthophyll

Carotenoids

All

.............. is water-soluble vitamin.

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Vitamin A

Vitamin C

Vitamin D

Vitamin K

Necrosis is:

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Division of cells

Suicide of cells

Cell death by tissue damage

Weakness of cells

The example of bulkiest cells are:

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Becteria

Bird eggs

Muscle cells

Verve cells

Prolonged Vitamins A deficiency can lead to ................... blindness.

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Day

Night

Both

None

_______________ tissues are composed of thin walled cells.

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Epidermal

Ground

Supporting

Collenchyma

Who proof Virchow's hypothesis?

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Lais Pastem

RudolF

Schledien

Schawnn

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

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Meat Group

Fats,oils and sweets

Breads and cereals

Milk and cheese

Membrane stack is chloroplast is called:

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Sturma

Granum

Both

None

There areas where living organisms interct with non -livnig components of the environment are called.

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Population

Community

Ecosystem

Species

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Biology 9th Class English Medium Online Test MCQs With Answers

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