Question # 1

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

An example of bio molecule is.

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Proton

Protein

Iodine

Chlorine

_____________ is also known as retinol.

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Vitamin A

Vitamin B

Vitamin D

Vitamin E

Vitamin which acts as co-enzyme is:

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Vitamin A

Vitamin K

Riboflavin

All of these

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

The clusters of photosynthetic pigments are called:

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Thylakoids

Photosystems

Carotenoids

Chlorophyll a & b

The cell death due to tissue damage is:

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Apoptosis

Necrosis

Metastasis

Synapsis

............... is abbreviated from Adenosine Tri Phosphate.

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ATP

ADP

AMP

All

At which point is a biological most likely to use reasoning?

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While taking observations

During hypothesis formulation

During data organization

None of these

Which event distinguishes meiosis from mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

Chromosomes are not visible during:

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Anaphase

Prophase

Interphase

Metaphase

Ulcers occur in the :

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Stomach

Duodemum

Esophagus

All

Dietary deficiency of ..................... is quite common.

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Vitamin A

Vitamin B

Vitamin D

Vitamin E

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