Question # 1

The main causes of depletion of ozone layer is

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oxygen

hydrogen

chlorofluorocarbon

hydrocarbon

During the process of sterilization , the food items are heated at

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148.9°C

200°C

1180.80°C

109.3°C

one gram of fast gives energy

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9 kcal

18 kcal

27 kcal

39 kcal

One gram of carbohydrates contain ........ calories of energy.

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3.8 K

2.8 K

4.8 K

4.0 K

In which disease the bacteria attack the mucus membrane of the throat and nose?

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Tetanus

Cholera

Diphtheria

Ring worm

The function of platelets is.

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Blood clotting

Engulfing the baceria

To produce antibiotics

Transfer of oxygen

Annual population growth rate of Pakistan is.

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3.0 %

2.0%

3.6%

2.6%

The amout of carbon dioxide int eh air is increased by.

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Photosynthesis

Respiration

Burning

Evaporation

Disbetes and hacmophilia occur due to change in ........ molecule.

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RNA

Protein

DNA

None

The disease caused by deficiency of iodine is.

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Night blind

Cough

Goiter

Malaria

Ultra violet radiations can cause.

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Cancer

Eye disease

None

Both a and b

The name of famous book written by Al-Bairuni is.

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Kitab -ul-Manazir

Al -Havi

Thareer-ul-Amakin

Al-Shifa

Each day a normal man breathe............ litres of air.

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20,000 to 15,000

10,000 to 15,000

15,000 to 20,000

21,000, to 31,000

The percentage of Neon by volume is.

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0.002

0.9

0.02

0.00055

The deficiency of vitamin D causes

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Scurvy

T.B

Rickets

Anemia

Tests are responsible for the development of male sex while. responsible for the development for female sex.

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Pancreas

Ovary

Gonads

Adrenal gland

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