Question # 1

A plant has a growth pattern called

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Open growth

Closed growth

Round growth

In plants movement in response to stimulus of touch is called.

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Phototactie

Chemotatic

Thigmotopism

Nyctinasty

Sperm are formed in.

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Vas deferens

Collecting ducts

Seminiferous tubules

Epididymis

Air is being polluted rapidly due to

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Industrialization

Automobiles

Sewage

Both a & b

Only 30% of the earth is dry land the remainder being covered with

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Water

Air

Trees

Grass

Three sets of microtubules (fibres) originate from each pair of

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Glyoxisomes

Iysosomes

Peroxisomes

Centrioless

In human Eustachian tubes connect middle ear with

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Nose

Eye

Throat

Brain

Diseases in living organisms caused by parasites are called.

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Infestation

Endoparasites

Disinfestation

Ectoparasites

The bacteria in the root nodules fix nitrogen and convert it into

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Nitrate

Nitrite

Amino Acid

Ammonia

Each Okazaki fragment is synthesized by.

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RNA Polymerase

DNA polymerase

DNA polymerase I

DNA polymerase III

The animals that lay shelled eggs to protect the developing embryo are called.

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Oviparous

Ovovlviparous

Viviparous

Egg laying mammals

The mammals who walk on trips of the toes, modified into hooves are termed as.

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Plantigrades

Digitigrades

Brach grades

Unguligrade

About 500 ml water is needed to excrete 1g of ammonia

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Hydrogen

Oxygen

Nitrogen

Helium

DNA finger prints can also be used as

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Crime evidence

Forensic evidence

Litigation evidence

Offence evidence

The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ___________

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Resting membrane potencial

Action potencial

Propagation of impulse

Synapse

Which one is parthenogenic fruit.

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Apple

Pine apple

Peach

Mango

Fluid secreted by sertoli cells provides sperms

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Liquid medium

Protection

Nourishment

All a,b,and c

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

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Amino acid

Fatty acid

Vitamin

Steriod

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