Question # 1

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

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protein

Carbohydrates

Lipids

Triglyceride

The optimum temperature for human enzyme is between:

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10-20°C

20-35°C

35-40°C

5-10°C

In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

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GI

S

M

G2

When the last member of a particular species dies, the species is said to be______.

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Established

Extinct

Threatened

Endangered

................ is outermost, semi rigid and non-living boundary of plants cell.

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Cell memebrane

Cell wall

Nucleus

Protoplasm

Science is based on ____________

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Obsrvation

Theory

Hypothesis

Law

Phenomenon of crossing over in fruit fly was observed by:

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T.H. Morgan

W.Flemming

Oscar Hertwig

Louis pasteur

______________ reactions are the direct source of energy.

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Oxidation

Redox

Reduction

None

Redox reactions involve exchange of ____________

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Electrons

Protons

Neutrons

Atoms

Remains of extinct organisms are called.

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Corals

fossils

Coral reel

Endangered

Loss of species makes ecosystem less ____________ and less productive.

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Beneficial

Resilient

Interactive

None of these

The typical volume of urine produced by an adult in liters per day is.

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2.4

1.4

3.2

4.1

500,000 sheep brains were required to produce how much miligram human growth hormone?

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5

10

15

20

When the reproductive cycle stops in female, ______ hormones is less produced.

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Androgen

Esterogen

Insuline

None of these

The treatment through genes is called:

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Gene Therapy

Chemo Therapy

Radio Therapy

Physio Therapy

In man which hormone is responsible for the development of secondary sex characters:

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estrogen

progesterone

testosterone

oxytocin

Outside back bone of double helix is made up:

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Sugar

Phosphate

Sugar Phosphate

None of these

The components of coordination action are:

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two

three

five

seven

The work of genetic engineering started in :

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1944

1955

1945

1943

Which of the following disease is cured by vaccines?

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Diabetes

Hapatitis B

Cancer

Aids

Which would NOT be present in the filtrate entering the Bowman's capsule of nephron?

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Water

Calcium ions

Blood cells

Urea

Cytocine always makes pair with :

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Guanine

Hydrogen

Adenine

Thymine

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