Question # 1

The respiratory centre is present in :

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Lungs

Brain

Nose

Muscles

Identify the correctly matched pair:

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Rainfall biotic factors in ecosystem

Global warming formation of fossil fuels

Renewable natural resources air

Corn secondary consumer

All populations collectively are called:

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Species

Biome

Community

Ecosystem

Temporal lobe is concerned with:

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Hearing and smelling

Control skeleton muscles

Visual information

Both A and B

Chromatin is made up of:

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DNA

Protein

DNA+ Protein

None of these

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.

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Nitrification

Denitrification

Nitrogen fixation

Assimilation

Which is not an objective of genetic engineering?

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Production of cheese and yogurt by lactic acid bacteria.

Isolation of particular gene, or part of a gene.

Production of RNA and protein molecules.

Correction of genetic defects in higher organisms

The consumers that eat animal flesh as well as plants and plant products are called.

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Herbivores

Carnivores

Omnivores

Insectivores

Adenine always pairs with:

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Guanine

Cytosine

Uracil

thymine

Which is the correct order for the path taken by urine after it leaves the kidneys?

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Urethra, bladder, ureters

Bladder, ureters, urethra

Ureters, bladder , urethra

Bladder, urethra, urelers

The rate of breathing during exercise or other hard:= physical work is:

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10-20 times

20-30 times

30-40 times

40-50 times

When the complete map of human genome was published.

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2002

2001

2005

1902

All ecosystem of the world join and makees:

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Biosphere

Heterosphere

Geosphere

Hydrosphere

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