Question # 1

Which of the following is true about mammals

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They have right aortic each only

They have left aortic each only

They have left and right aortic arches

They do not have aortic each

Bleeding phenomenon is not shown by.

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Straw berry

Sugar maple

Grape wine

Palms

Antiserum is a serum containing.

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Hormones

Antigen

Enzymes

Antibodies

Which of the following is not true about histamine.

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Produced by basochills

cause inflammation

Causes dilation of blood capillaries

Released by Eosinophils

The left systemic arch disappears in

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Fish

Reptile

Mammals

Birds

The heart of fish is

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Single circuit

Double circuit

Triple circuit

Muti circuit

The valves present in the veins are

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Bicuspid

Semi lunar

Tricuspid

Aortic

Thalassemia is also called.

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Cooley's anaemia

Peter's anaemia

Thomas anaemia

Mendl'e anaemia

The structure involved in guttation are.

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Cuticle

Hydathodes

Lenticle

Stomata

The maximum depth of roots of prospis is.

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40 meters

50 meters

60 meters

70 meters

Which one is not involved in clotting of blood.

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Platelets

erythrocytes

Basophils

eosinophils

Transpiration takes place through cuticle is about.

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5-7%

6-7%

5-6%

3-5%

Which is found in herestitial fluid.

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Large proteins

White blood cells

Red blood cells

Platelets

In Hydra ectodermal cells get food from endodermal cells by

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Endocytosis

Exocytosis

Both a and b

Diffusion

Which of the following is not true for guard cells.

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Present in epidermis

Lack chloroplast

Bean like

Kidney shaped

Cytoplasmic strands that extend through pores in adjacent cell wall are.

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Plasmodesmata

Plasm filament

Plasmostrand

Plasmo fibre

The process that most likely/directly enables a root cell to absorb minerals by active transport and enable a muscle cell to contract is

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Circulation

Excretion

Respiration

Assimilation

Plasma proteins in the blood are about

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7-9%

9-11%

11-13%

0.9%

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