Question # 1

Chloroplasts are present mainly in

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Epidermis

Mesophyll tissues

Stoma

Vascular bundle

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A programmed series of stages from a simpler of more complex forms is

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Development

Growth

All above

None

When rod shaped bacteria occur in pairs them arrangement of cells is known as

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Diplococcus

Staphylococcus

Diplobacilli

None

Abino is a ______ trait in humans

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Dominant

Recessive

Both a and b

None

In cockroach trachea is lined by a

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Lignin

Chitin

Membrane

Tissues

Feeding by living in or on other organism belonging to different species is called

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Saprophytic nutrition

Parasitic nutrition

Symbiotic nutrition

All of above

Penicillium a fungus has only______pair of chromosomes

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1

14

23

3

The catalytic activity of enzymes restricted to a small protein of the structure known as

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Inactive site

Active site

Reactant site

Inhibitor site

The thin hair like appendages in bacteria is made up of protein

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Chitin

Flagellum

Pilin

Fibrogen

Mendel choose a pea plants for genetical purpose because of the

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Easily cultivation

Numerous varieties

Generation time is reasonably short

All of above

Which of the following mean that the organisms living today have changed from the ones that lives in the past

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Fossils

Evolution

Ecosystem

Behavior

Phylum arthropods have

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Open circulatory system

Closed circulatory system

Both a & b

None

For reuse of renewable resources there are

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Natural cycle

Nutrient cycle

Nitrogen cycle

CO₂ cycle

In which of the phase chromosome is duplicated structure which consists of 2-sister chromatids

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Hna phase

Prophase

Metaphase

Telophase

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NAT I Medical Biology MCQs With Answers

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