Question # 1

Scales in pangolin are actually.

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Modified rings

Modified feathers

spines

Modified hairs

Human Tissues have 85% water in cells of.

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Bone

Blood

Liver

Brain

The infectious proteins are.

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Viruses

Virions

Prions

Peptones

Water potential of pure water is.

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Less than zero

Equal to zero

More than zero

Equal to one

The animals having structurally and functionally intermediate teeth between herbivores and carnivores are

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Insectivores

Detritivores

Saprozoic

Omnivores

The renal veins bring the impure blood form.

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Kidney

Lungs

Brain

Liver

The product of succinic acid by the action of enzyme is.

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Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

Organelle found in both prokaryotic and eukaryotic cells.

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Ribosomes

Mitochondria

Chloroplasts

Lysosomes

Polytrichum is a.

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Moss

Hornword

Liverworts

Clab moss

Which of the following cells/structures are associated with asexual reproduction in fungi

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Ascospores

Conidia

Zygospores

Basidiospores

The smallest known viruses contain RNA spherical cotised are there.

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Polio Viruses

Pox viruses

Herpes viruses

Influenzas viruses

Each nuclear power station only can last for about

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10 years

20 years

30 years

40 years

Gene pool consists of all alleles at all gene loci in all individuals of the

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Family

Clan

Population

Community

In natural selection, the environment plays role affecting the proportions of gene in .

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Population

Community

Area

Blome

In turner syndrome the affected person have set of chromosomes.

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XO

XXY

XYY

XXO

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

For maximum growth the optimum temperature is 25 - 30^oC and it least at

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1 - 3^oC

5 - 10^oC

4 - 8^oC

6 - 12^oC

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

All the food chains begin with.

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Producers

Primary consumers

Secondary consumers

Decomposers

The onset of epilepsyis usually before age of

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10 years

20 years

30 years

40 years

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

Most of the major orangs of embryo are formed within the.

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10 week

12 week

14 week

15 week

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