Question # 1

The weight of brain of an adult main is.

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1.5 kg

2.0 kg

2.5 kg

3.0 kg

It is made up of interneurons.

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Spinal cord

PNS

CNS

Medulla oblongata.

Bases react with acids to form water and........

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Hydrogen ions

Ammonia

Salt

Hydroxide ions

Small sized kidney stones can be reoved through.

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Urine

Urinary system

Ureter

Lithotripsy

The colour of eyes in an organism is controlled by a.

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Egg

Zygote

Chromosomes

Gene pair

The rate of flow of charged is called.

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Volt

Ohm

Current

Coulomb

The feeding level of an organism in an ecosystem is called.

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Food Web

Food chain

Trophical level

Secession level

In a convex mirror, focus is.

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Under the mirror

In front of the mirror

On the mirror

Behind the mirror

The approximate distance of the Sun from the centre of the milky way Galaxy is.

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24000 light years

22000 light years

21000 light years

25000 light years

During reproduction, living things pass their characteristics to their.

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Parents

Grand parents

Off spring

Brother and sister

Consumers that actively hunt other organism are called.

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Prey

Competitor

Predator

Symbiont

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