Question # 1

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

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Cristae

Matrix

Thylakoids

Stroma

The study of the functions of different parts of living organisms.

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Morphology

Anatomy

Histology

Physiotogy

There are more than _____________ million kinds of living organism.

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1

2

3

4

Prior to cell replicates or duplicates its genetic material , the products are connected by a centromere and are called:

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Sister chromosomes

Homologous chromosomes

Non-sister chromatids

Sister chromatids

Electron beam is used in

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SEM

TEM

Both

None

Which one is the national bird of Pakistan?

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Pigeon

Ostrich

Crow

Chakor

The raw materials in photosynthesis are:

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Water, Oxygen

CO₂, O₂

Water , CO₂

Glucose , Water

Magnification of electron microscope is:

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2500 x

250,000 x

25000 x

None

The element mostly present in an individual is

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Nitrogen

Carbon

Oxygen

Hydrogen

When we work hard we suffer from muscle fatigue because muscle cells:

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Carry out aerobic respiration at faster rate and so are tired

Carry out anaerobic respiration and so-accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so burst

Enzymes are made up of ............. .

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protein

Carbohydrates

Lipids

Triglyceride

Bones can store:

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Urea

Salts

Uric Acid

Minerals

There are______ types of movements.

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2

3

4

None of these

The raw material for microorganism for the production of single cell proteins is.

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Industrial Wastes

Protozoans

Agricultrual Wastes

Fungi

The optimum temperature for the germination of the seeds of most plants ranges from:

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20 - 30 ^oC

25 - 35^oC

25 - 30^oC

20 - 25^oC

Variation selected for their transmission to next generation are:

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Favourable

Continuous

Discontinuous

None of these

In human body cells the number of chromosomes present are:

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23

46

52

48

Inside testes the sperms are produced in:

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vas deferens

sperms duct

seminiferous

collecting ducts tubules

In certain parts of body, cell bodies of many neurons form a group enveloped by a membrane. such group is called:

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Tissues

Nerves

Ganglion

Receptors

Medicine prepared in Laboratory are called.

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Synthetic

Plants made

Animals made

Mineral made

First step in Genetic Engineering is.

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Isolation of gene of intrest

Insertion of gene into a vector

Transfer of recombinant DNA into host

Growth of the GMO

How many pea plants were used in experiment of Mendel?

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28,000

29,000

26,000

27,000

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