Question # 1

Important cause of species extinctions is:

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Habitat loss

Deforestaion

Over population

Both a and b

What is correct about human red blood cells?

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Have limited life span

Are capable of phagocytosis

Produce antibodies

Are multinucleate

_______________ is the process i which molecules moves from region of higher concentration to region of lower concentration.

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Diffusion

Osmiss

Active transport

Passive transport

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

Reproducitve organ of the Plant is.

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Root

Stem

Leaf

Flower

The kingdom of bacteria is:

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Fungi

Monera

Protista

Plantae

Which of these materials is not a component of plasma membrane?

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Lipids

Carbohydrates

Proteins

DNA

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

Which one are the sites of protein synthesis?

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Nucleus

Mitochondria

Endoplasmic reticulum

Ribosomes

Abdul Malik Asmai was born in.

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721 AD

780 AD

740 AD

980 AD

In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .

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1:2

2:1

2:2

3:2

Pathagens contain special proteins called:

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Antigens

Antibodies

Antibiotics

Antiseptics

In biotechnology, the production of a product by the mass culture of microorganisms is called.

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Fermentation

Mutation

Fermenter

Fertilization

In Genetic Engineering plasmid is used as.

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Vector

Endonucleases

Binder enzyme

Donor

C-Shaped cartilaginous rings are present in the wall of.

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Bronchi

Bronchioles

Alveoli

Trachea

The bonds which attach muscles to bones are called:

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ligaments

tendons

cartilage

muscles

Example of Ectoparasite is:

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Becteria

Virus

Ascaris

Mosquito

____________ hydrogen bonds are present between cytosine and guanine:

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2

3

4

5

Pairs of spinal nerve are:

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31

12

21

13

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

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Industrial Wastes

Protozoans

Agricultrual Wastes

Fungi

The process of gaseous exchange involves.

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Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.

Example of Endoparasite is.

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Plasmodium

Mosquito

Leech

Lices

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