Question # 1

Exothermic reaction ae those reactions durng which heat is.

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Given out

Remain same

Absorbed

Used

Which factor is responsible for ecological imbalance.

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Over hunting

Change in water supply

Migration

All these

Chromosomes consist of DNA and.

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Sperms

Gametes

Proteins

Eggs

Unit of Resistance is.

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Ampere

Volt

Ohm

Farad

Which is the solution of environmental problems.

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Reducing pollution

Plantation

Protection of endangered

All these

In humna body insulin is produced by.

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Protein

Glucose

Genes

Pancreas

In dilute HCl blue litmus turns.

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Orange

Yellow

Red

Pink

In humans, the eye colour is developed due to the effects of.

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Diet

Environment

Genes

Both a and b

Hubble telescope orbits the Earth at a height of about.

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550 km

560 km

500 km

600 km

Fire works is an example of ........... reactions.

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Addition

Exothermic

Endothermic

Decomposition

A gene is inserted into a bacterium by.

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Tissue culture

Genetic engineering

Fermentation

Biodegradation

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