Question # 1

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

C-Shaped cartilaginous rings are present in the wall of.

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Bronchi

Bronchioles

Alveoli

Trachea

_________ are sensitive to dim light.

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Rods

Cones

Retina

Cornea

Tulip plants reproduce through _________

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Natural vegetative reproduction

Artificialvegetative reproduition

Cutting

Grafting

Penicillin is discovered by:

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^{Joseph Lister}

Edward jenner

Alexander Flemming

Bu Ali Sina

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

A recovery of one of paper can save how many trees?

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17

170

200

1000

It is an example of endoparasite:

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mosquitoes

leeches

lice

plasmodium

The glottis is guarded by a flap of tissue called:

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Trachia

Glottis

Bronchi

Epiglottis

Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that.

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Are born first and grow fastest

Are largest and most aggressive

Have no natural predators

Are best adapted to the environment.

Adenine always pairs with:

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Guanine

Cytosine

Uracil

thymine

How many pea plants were used in experiment of Mendel?

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28,000

29,000

26,000

27,000

A medicine for lowering blood pressure, which has sulfonamide group is:

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Asprine

Penicilline

Thiazide diuretics

Teramycine

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