Question # 1

The elements that makes 65% if tge titak nass if kuvubg irgabusns us,

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Oxygen

Nitrogen

Carbon

Hydrogen

Platelets life span in about ........... days.

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6-7

7-8

5-6

8-9

The need of third kingdom protista raised due to:

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Presence of certain unicellular organisms

Presence of plant like character

Presence of animal like characters

Presence of both animal and plant like characters

PH of human blood is ......................... .

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7.1

7.2

7.3

7.4

Arteries can be divided into ........... types.

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Two

Three

Four

Five

............ is loose, watery stools.

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Constipation

Diarrhea

Both

None

Exchange of water vapours and gases occurs in leaf through:

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Stomata

Epidermics

Xylem

Phloem

An example of macromolecule is.

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Water

Glucose

Protein

NaCl

Which of the following are parts of large intestine?

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Caecum, colon, rectum

Caecum, appendix, ileum

Colon, reactum, anux,

Caecum, jejunum, ileum

Zaccharia Janssen and Hans Janssen were two ___________ eye glass makers.

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German

Dutch

British

America

Stomata close when the guard cells;

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Lose water

Gain chloride ions

Became turgid

Gain potassium ions

............... are present only in plant cells.

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Plastids

Nucleus

Nucleolus

Ribsomes

Magnification of electron microscope is:

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2500 x

250,000 x

25000 x

None

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