Question # 1

The phases of cell cycle are:

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Interphase

Division phase

Both a and b

None

Coenzymes are small ................. molecules.

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Organic

Inorganic

Both

None

The pancreas produces digestive enzymes and releases them into;

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Colon

Gallbladder

LIver

Duodenum

Classification means the grouping of organisms on the basis of:

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How they feed

The features they have in common

How they respire

How they can survive

Which of the following tissue layer is found in all blood vessels?

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Smooth muscle

Endothelium

Skeletal muscle

Connective tissue

Rough endoplasmic reticulum is the area in a cell where _________ are synthesized.

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Polysacchrides

Proteins

Lipids

DNA

An example of macromolecule is.

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Water

Glucose

Protein

NaCl

Minimum energy required to start a chemical reaction is called:

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Potential energy

Chemical energy

Activation energy

All are same

.................. is most abundant substance in human body.

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Water

Carbon

Nitrogen

Phosphorus

There are ____________ species of insect's and invertibrates.

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20,700 species

20,750 species

26,700 species

20,800 species

Abiotic component of the ecosystem is:

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Producers

Consumers

Decomposers

Light

Most of the gaseous exchange in a leaf occurs through.

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Stomata

General surface

Cuticle

lenticels

It is an example of primary consumers:

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Cattles

Snake

Lion

Frog

Which bones is part of appendicular skeleton?

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Skull

Vertebral columnn

Sternum

Pectoral girdle

A disease involving the breakdown of air sacs of the lungs is:

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Bronchitis

emphysemsa

pneumonia

asthma

Which portion of the nervous system that involantry in action:

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Stomatic nervous system

Motor nervous system

Autonomic nervous system

Sensory nervous system

The study of the relationship between organisms and their environment called.

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Biology

Microbiology

Ecology

Genetics

Human skeleton contain number of bones:

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106

206

306

406

The current level of urbanization in Pakistan is about_____ which is not high by global standards.

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23%

32%

36%

39%

Central nervous system include brain and:

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Noto cord

Vertebra

Spinal cord

Heart

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