Question # 1

Which ions are involved in opening and closing of stomata?

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Potassium ions

Chloride ions

Sodium ions

Iodide ions

Metabolism is of ............... types.

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1

2

3

4

Human body is made up how many types of cells?

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200

300

400

500

Form which bonds of ATP molecule, energy is taken?

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P-P bonds

C-H bonds

C-N bonds

C-O bonds

Which of the followings is the symptom of malaria?

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Chills

Fevers

Recurring attacks

All

The chloroplast functions in ___________

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ATP synthesis

Protein synthesis

Photosynthesis

DNA replication

The thin extensions of the inner mitochondrial membrane are known as ______.

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Cristae

Matrix

Thylakoids

Stroma

The bark of ____________ tree was the cure for malaria.

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Deodar

Cendar

Cinchona

None

Which of the following organelle is found in both prokaryotes and eukaryotes?

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Ribosomes

Mitochondria

Chloroplast

Endoplasmic reticulum

A related group of genera comprises:

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An order

A family

A class

a phylum

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

____________ is a co-enzyme.

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NAD⁺

NADH

AMP

None

The thin extensions of the inner mitochondrial membrane are known as __________

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Cristae

Matrix

Thylakoids

Stroma

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

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