Question # 1

Ball and socket joints allow movement in :

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One direction

Two directions

All directions

Non Disrections

In tissue culture technique, cell starts mitosis and produce masses of cells called.

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Clonning

Graftings

Calluses

Rhizome

Which bones is part of appendicular skeleton?

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Skull

Vertebral columnn

Sternum

Pectoral girdle

The substances used for the treatment cure, prevention of diagnosis of diseases are called:

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Medicinal drugs

Narcotics

Hallucinogens

Sedatives

The myelin sheath is formed by which wrap around the axons of some neurons.

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Nodes of Ranvier

Axons

Dendrites

Schwann cells

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

Charles Darwin published a book "on the origin of species by means of Natural Selection" in:

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1858

1859

1889

1890

THe alternate form of a gene are called:

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Genotype

Phenotype

Alleles

Replication

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

Branch of biology in which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

The examples of hings joints are:

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shoulder joints

knee and elbow joints

arm and shoulder joints

neck joints

For gaseous exchange the leaf and young stems have in their epidermis:

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Stomata

Lenticels

Companion cell

Guard cells

The allele which is not expressed is called.

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Dominant

Phenotype

Genotype

Recessive

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