Question # 1

The number of marine fish is 400 while fresh.

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190

400

450

480

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 breaking of one phosphate bond releases _________ kcal/mol of ATP.

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7.9

7.5

7.1

7.3

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

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Two

Three

Four

Five

Which of the quantitative observation:

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Colour

Smell

Beauty

Height

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

During which phase of mitosis spindles are formed?

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G2

Interphase

Prophase

Metaphase

Plastids are of ......... types.

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1

2

3

4

Cytokinesis in animals take place by:

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Furrow

Phragmoplast

Telophase

None of these

Cellular organization is absent in:

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Viruses

Bacteria

Algae

Protozoans

Bacteria and cyanobacteria are :

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Prokaryotes

Eukaryotes

Both

None

Tendons and Ligaments are bands of:

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Connective tissue

Muscular tissue

Nerve tissue

Epidermic tissue

The material that has weakened pathogenes.

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Antibiotic

Analgesic

Vaccine

Quinine

What percentage of oxygen inhaled form air during breathing?

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21%

22%

23%

24%

Babies are born with about________ soft bones.

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206

250

300

350

The inflamation of bronchi or bronchioles is caled:

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Bronchites

Emphysema

Pneumonia

Chest box

Scientists are able to cut and paste the DNA of organism in:

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1944

1970

1990

2002

Find the INCORRECT statement:

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Bone is where most blood cells are made.

Bones serves as a storehouse for various minerals.

Bones is a dry and non-living supporting structure.

Bone protects and supports the body and its organs.

A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:

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population

community

ecosystem

species

Aspirin is categorized as:

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A drug from animals

A synthetic durg

A drug form plants

A drug from minerals

What is the function of the ureter?

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To store urine.

To carry urine from the kidney to the bladder

To carry urine out of the body

To remove waste from the blood

All populations collectively are called:

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Species

Biome

Community

Ecosystem

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