Question # 1

The left systemic arch disappears in

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Fish

Reptile

Mammals

Birds

The ions involved in the opening and closing of stomata are.

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Sodium

Calcium

Magnesium

Potassium

The pressure flow theory is the most acceptable theory for the transport in the phloem of

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Gymnosperm

Bryophytes

Angiosperms

Pteridophyte

In normal human body percentage of plasma in blood volume is.

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45%

30%

55%

60%

Veins are the blood vessels which transport blood from body cells towards.

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Brain

Kidney

Liver

Heart

The pressure flow theory was first proposed in 1930

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Emst hackel

Ernst Munch

Dixon

Hemming

Single circuit heart is found in.

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Fishes

Bird

Reptiles

Mammals

The upward movement of sap through the xylem

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Ascent of sap

Plasmolysis

Deplasmoysis

Guttation

Active transport is selectively and is dependent on

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Nutrition

Respiration

Digestion

Circulation

All have open blood circulatory system except.

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Snail

Calms

Insects

Octopus

Which one is not the layer or wall of heart.

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Pericardium

Myocardium

epicardium

endocardium

Match heart attack with one of the followings.

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Stroke

Dedema

Myocardial infarction

Hypertension

Passive immunity is developed by injecting.

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Vaccine

Serum

Antiserum

Antibiotic

Pathway of water consisting of interconnected protoplast in root cells is called.

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Apoplast

symplast

Tonoplast

Protoplast

The phenomenon associated with root pressure is

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Imbibition

Guttation

Cohesion

Tension

The closing and opening of stomata is directly controlled by

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Wind

Temperature

Water

Light

The volume of the blood in a normal person, plasma constitutes about.

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15%

25%

55%

75%

One complete heart beat tasts for

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0.2 seconds

2 seconds

0.8 seconds

0.15 seconds

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