Question # 1

Which of the following is not true of the guard cells

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They are present in the epidermis of leaf

They are connected by plasmodesmata with other epidermal cells

They contain chloroplasts

They are kidney shape

The loss of liquid water through hydathodes in plants is called

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Imbibition

Transpiration

Bleeding

Guttation

The structure involved in guttation are.

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Cuticle

Hydathodes

Lenticle

Stomata

Water potential of pure water is.

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Less than zero

Equal to zero

More than zero

Equal to one

All have open blood circulatory system except.

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Snail

Calms

Insects

Octopus

Open circulatory system is present in.

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Man

Leach

Earth work

Cockroach

The valves present in the veins are

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Bicuspid

Semi lunar

Tricuspid

Aortic

The plasma proteins constitute percent by weight of plasma.

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7.9%

9-11%

11-13%

13-15%

Apoplast pathway becomes discontinuous in endodermis due to.

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Pericycle

Xylem

Casparian strip

Cortex

White blood cells are grouped into two main types, granulocytes and agranulocytes, Which one of the following is not among Granulocytes.

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Neutrophil

Basophil

Eosinophil

Monocyte

In the embryonic life red blood cells are formed in the.

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Bone marrow and vertebrae

Liver and spleen

Heart and bone marrow

Sternum and ribs

Cardiac muscles can be distinguished from other muscle fibers because cardiac muscles

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Contain only actin

Voluntary in action

Lacks regular arrangement of sarcomeres

Have intercalated disc

Temperature causes closure of stomata.

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30-40 ^oC

30-35^oC

40-45^oC

25-35^oC

The closing and opening of stomata is directly controlled by

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Wind

Temperature

Water

Light

Guttation occurs in plants through.

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Cutitle

Hydathodes

stomata

Lenticels

The membrane of vacuole is named as

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Apoplast

Symplast

Tonoplast

None

Which is found in herestitial fluid.

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Large proteins

White blood cells

Red blood cells

Platelets

Which one is not the layer or wall of heart.

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Pericardium

Myocardium

epicardium

endocardium

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Biology Fsc Part 1 Chapter 14 Online Test MCQs With Answers

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