Question # 1

Breaking of large molecules of fats into small droplets is called:

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Emulsification

Digestion

Assimilation

Egestion

Exchange of materials between blood and surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of these

Catabolism constitutes ................. processes.

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Constructive

Destructive

Both a & b

None

In living organisms, redox reactions involving the loss and gain of _____________ atom.

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Oxygen

Carbon

Nitrogen

Hydrogen

The mitochondrion functions in:

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Lipid storage

Protein synthesis

Photosynthesis

Cellular respiration

Heart consists of ............ chambers.

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Two

Three

Four

Five

Five senses are involved in:

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Hypothesis

Observations

Deduction

Experiment

Scientific law is interchangeable with :

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Hypothesis

Theory

Deduction

Observation

Photosynthesis is a .............. process.

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Constructive

Destruction

Both

None

How many kinds of organisms inhabit the earth?

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1 million

5 million

10 million

10 billion

There are ......... types of photosystem.

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One

Two

Three

Four

Streptomycin is obtained from.

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Bacteria

Virus

Fungi

Microoganisum

Planaria reproduces asexually by

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budding

binary fission

parthenogenesis

spore formation

Which one of the following is tertiary consumer.

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Owl

Larva of burtterfly

Deer

Rabbit

Stomata are present in:

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Phloem

Xylem

Endodermis

Epidermis

Penicillin is discovered by:

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^{Joseph Lister}

Edward jenner

Alexander Flemming

Bu Ali Sina

The first step of genetic engineering is:

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Growth of the genetically modified organism

Transfer of the recombinant DNA into the host organism

Isolation of the gene of interest

Insertion of gene into a vector.

Study of composition and medical applications of drugs is called.

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Mycology

Biotechnology

Pharmacology

Physiology

The material that has weakened pathogens:

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Antibiotic

Analgesic

Vaccine

Quinine

No. of hydrogen bonds between Adenine and thymine is:

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2

3

4

5

Aspirine belongs to the group of:

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Derived from the animal

Derived from plants

Synthetic drugs

Derived from becteria

A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE.

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Its phenotype will be white flowers .

It has a homozygous dominant genotype.

When bred to a white flowered plant all offspring will be purple flowered.

All the gametes produced will have the same flower colour allele

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