Question # 1

Lithosphere includes.

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Air

Water

Gases

Earth soil

Endocrine gland secrete

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Harmones

Salts

Enzymes

Mucous

Advantage of pecking orders is to:

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Avoids injury to the strong animals

Protect territory

Find suitable mate

Assign specific role to individual subordinates

Which trait is transmitted directly from an affected father to only his sons.

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X - linked

Y - Linked

x and y linked

Autosomal

The total aggregate of genes in a population at any one time is called the populations gene

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Puddle

Lake

Pool

Pond

In case of overheating the body temperature is regulated by:

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More sweating and more urination

Less sweating and more urinattion

Less sweating and less urinattion

During cell division , the nuclear division is called

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Cytokinesis

Karyokinesis

Endomitosis

Plasmolysis

They have adaptations for reduced rate of transpiration.

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Halophytes

Hydrophytes

Mesophytes

Xerophytes

A nerve is

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Collection of neurons

Bandle of axons or dendrites

Connection of dendrites

Bundle of exon of dendrites bounded by connection

In xerosere, polytrichum and tortula represent.

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Herbaceous stage

Moss stage

Follage lichen stage

Crustose lichen stage

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

When expression of a biological character is observed in variable intensity, it is due to the efect of:

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Multiple alleles

Codominance

Epitasis

Polygenic inheritance

The average rain fall in temperate deciduous forest is between

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600-1500 mm

650 -1500 mm

750-1500 mm

700 -1500 mm

The corpus luteumscetres a hormone called.

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Oxytocine

Progestrone

Testostrone

Ostrogen

If a man of M blood group marries a woman of N blood group all their childern will have blood group

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MM

NN

MN

None of these

The condition in which biennial and perennial plants are stimulated to flower by exopod to low temperature is called.

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Photoperioclism

Vernalization

Apomixis

Partheiogenesis

Movement of rearrangement of the cells in the embryo is called.

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Cleavage

Gastrulation

Fertilization

Organogenesis

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

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