Question # 1

Phloem tissues are made up of:

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Tracheids & Vessel cells

Tracheid & companion cells

Sieve tube cells & companion cells

Sieve tube cells & trancheids

Improved the quality of lenses.

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Robert Brown

Robert hooke

Leeuwenhoek

Dolland

The process of cellular ingestion of bulky materials by infolding of cell membrane is called:

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Exocytosis

Endocytosis

Karyokinesis

None of these

There are ___________major types of animals cells.

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1

2

3

4

...................... Is the ability of microscope to distinguish as separate and distinct objects that lie in close proximity.

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Magnification

Resolution

Both a and b

None

___________ tissue are thick walled dead cells.

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Collenchyma

Schevenchyma

Parenchyma

None

Plants cells have __________ and _______ which are not present in animal cells.

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Nilochondria , Chloroplasts

Cell membranes, Cell walls

Chloroplasts , Nucleus

Chloroplasts , Cell wall

There are _______ micrometers in one millimeter.

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10

100

1000

1000000

Cell of fungi is made up of:

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Chitin

Cellulose

Murein

All

The _________ is a major component of plant cell walls.

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Chitin

Peptiodglycan

Cellulose

Cholesterol

Which solution has equal concentrations of solutes?

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Hypotonic

Hypertonic

Isotonic

Toxic

Lignin is present in:

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Primary wall

Secondary wall

None of above

Cellular eating is called:

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Pinocytosis

Endocytosis

Phagocytosis

None

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