Question # 1

In Mollucs, a respiratory pigment of blue colour is present called.

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Haemoglobin

Haemocyanin

Haemoery thrin

None of these

The major locomotory structures in bacteria are

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Flagella

Pili

Both a and b

None of these

In psilopsida sporangia are product at

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Tips of branches

In the axils of branches

Margins of leaves

Axits of leaves

Which of the following is not a attribute on population.

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Population density

Gene frequency

Gene flow

Gene Structure

Human Tissues have 85% water in cells of.

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Bone

Blood

Liver

Brain

____ is an example of agranulocytes

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Eosinophils

Basophils

Monocytes

Neutrophils

_____ is more important regulator of breathing process.

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Oxygen

Carbon di oxide

Myoglobin

Hemoglobin

Which one of the following kinds of atom does not occur in carbohydrates

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Carbon

Hydrogen

Nitrogen

Oxygen

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Percentage of carbohydrates in mammalian cell.

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1%

4%

6%

8%

Embryo-sac in angiosperms in also called

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Sporophyte

male gametophyte

Female gametophyte

None of these

If all members of a population are homozygous for the same allele that allele is said to be

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Multiple allele

Jumping gene

Fixed in the gene

Perfect gene

Which will occur as a result of nondescent of the testes?

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Mal esex hormones will not be circulated in the body

Sperm will have no means of exit from the body

Inadequate blood supply will retard the development of the testes

Variable sperm willnot be produced

Innate behaviour is a collection of responses that are predetermined by the

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Heritage

Birthright

Inheritance

Legacy

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

Coniferous forest located at high attitude are called.

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Boreal

Alpine

Talga

Prailes

According to endosymbiont hypothesis, the aerobic bacteria developed into.

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Ribosome

Lysosome

Mitochondria

Golgi apparatus

Crossing over occurs during.

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Leptotene

Pachytene

Zygotene

Anaphase

Average loss of blood during birth in human female is about .

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150 cm3

250 cm3

350 cm3

450 cm3

The first restriction enzyme was isolated by.

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Kary mulis

Hamilton O smith

Maxam Gilbert

Sanger

Fibroblasts and osteoblasts migrate into the fracture site and begin to construct

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Bone

Cartilage

Muscle

Joint

The addrenaline cortex produces ______________

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Adrenaline

Calcitonin

Epinephrine

Aldosterone

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