Question # 1

Which of the following is the abiotic component of an ecosystem?

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producers

Herbivores

Carnivorse

Oxygen

Lacuna is present in the cartilage of:

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Bone

Matrix

Collagen

Cartilage

A relationship between species in which both species benefit is called.

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Parasitism

Mutualism

Symbiosis

Commensalism

The consumersthat eat animal flesh as well as plants and plant products are called:

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Herbivors

Carnivores

Omnivores

Insectivores

The gas produced in mesophyll cells as by product during day time is called.

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Oxygen

Carbon dioxide

Nitrogen

Chlorine

Nitrogen is an important component of:

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Proteins

Nucleic acid

Lipids

Both a and b

The number of drug addicts in Pakistan's currently to be about.

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200000

300000

400000

500000

In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.

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Minerals, energy

Energy minerals

Oxygen, Energy

Glucose, water

Charles Darwin published a book "on the origin of species by means of Natural Selection" in:

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1858

1859

1889

1890

_________ is the smallest bone in our body.

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Thigh

Vertebrae

Ankle

Knee-cap

All populations collectively are called:

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Species

Biome

Community

Ecosystem

If a planarian breaks into many pieces instead of two, it will be called.

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Budding

Spore formation

Binary fission

Fragmantation

In biotechnology, the production of a product by the mass culture of microorganisms is called:

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Fermentation

Mutation

Fermentor

Fertilization

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