Question # 1

Normal rate of heart beat in a healthy human being is ......... beats per minute.

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72

73

70

75

The process of mitosis ensures that:

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Each new cell is genetically different from its parent

Each new cell receives the proper number of chromosomes

Cell will divide at the appropriate time

Chromosomes duplicated without errors.

National animal of Pakistan is:

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Cow

Goat

Markhor

None of these

The elements that makes 65% if tge titak nass if kuvubg irgabusns us,

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Oxygen

Nitrogen

Carbon

Hydrogen

................. in blood stream plays an important role in blood clotting.

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Calcium

Phosphorus

Nitrogen

Potassium

The raw materials in photosynthesis are:

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Water, Oxygen

CO₂, O₂

Water , CO₂

Glucose , Water

Forests are the source of:

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Drugs

Fuel

Timber

All of these

The cell death due to tissue damage is:

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Apoptosis

Necrosis

Metastasis

Synapsis

Which of the followings is area of supply of blood in plants?

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Leaf

Stem

Fruit

All

The scientific name of human being is:

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Homo sapiens

Pisum sativum

Amanta

E. coli

Which of these cellular organelles have their own DNA?

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Chloroplast

Nucleus

Mitochondria

All of these

In the food chain"grass......rabbit....... fox..............bear...........mushroom", how many types of decomposers are present"?

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1

2

3

4

There are______ types of movements.

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2

3

4

None of these

All of these are hormones except:

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Insulin

Thyroxin

Glucagon

Pepsinogen

An embroyologist of Scotland in 1997 produced a sheep (Dolly) from the body cell of an adult sheep is

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Lan Wilmot

Buffon

Darwin

Lamark

Budding located in :

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Amoeba

Planaria

Becteria

Yeast

The type of environment in which a particular species lives is called.

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Ecosystem

Habitat

Biosphere

Community

The Allele which is not expressed is called:

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Dominant

Recessive

Homozygous

Hetrozygous

Overall, the human skeleton is made of bony framework but in certain parts it is supplemented by:

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Blood Vessels

Bone

Cartilage

Nerves

In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

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Citric acid

Lactic acid

Pyruvic acid

Formic acid

Which form of nitrogen is taken by the producers of the ecosystem?

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Nitrogen gas

Ammonia

Nitrates

Nitrites

Percentage of CO₂ in exhaled are during breathing is:

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16%

4%

79%

0.04%

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