Question # 1

RNA, ribosomes and enzyme are synthesized during .............. .

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G2-phase

S-phase

G1-phase

Inretphase

Breeding of cow belongs to.

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Forming

Animal Husbandry

Genetics

Morphology

ABO blood group system was discovered in 1901 by .................. .

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Camillo

Karl land Steiner

Robert Hooke

Mathias Schleiden

Doforestation by uncontrolled cutting of trees means danger of _____________

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Green House effect

Soil erosion

Both a& b

None

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict?

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All active sites have been occupied by substrate molecules

The enzyme molecules have denatured

More substrate acted as inhibitor

More substrate has disturbed the pH of the medium

The exchange of materials between the blood and the surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of the above

krebs cycle occurs in ................. .

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Cytoplasm

Mitochondria

Lysosome

Nucleus

Capillaries are ............ micrometer in diameter.

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

The study of Insects called.

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Taxanomy

Entomology

pharmacology

Biotechnology

Which of these bioelements is in the highest perfentage in protoplasm.

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Carbon

Hydrogen

Oxygen

Nitrogen

What are the primary nutrients that provide quick useable energy for the body?

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Carbohydrates

Proteins

Lipids

Nucleic acids

Which enzyme works in stomach?

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Lipase

Trypsin

Pepsin

Amylase

A scientific theory has which of the following properties?

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It agrees with the available evidence

It cannot be rejected

It has been absolute proven

It does not need to be altered in the light of new evidences

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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

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