Transport of Materials Mcqs

This Set of Multiple choice questions and answers focuses on study of Transport of Materials in Biology. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on Transport of food and materials in plants and animals comprehensively.

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1.
There are _______ types of nutrients needed by plants besides light to carry out photosynthesis

Two

Three

Four

Five

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2.
The site/s where most of the uptake of water and minerals take place is/are

Root hairs

Root cells

Underground stem

All of these

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3.
The uptake of water in plants involves

Active transport

Passive transport

Both of these

None of these

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5.
The diffusion of ions along with water also takes place by mass flow system along the ______ path

Tonoplast

Apoplast

Symplast

Vacuolar

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7.
In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.

Tonoplast

Apoplast

Symplast

Vacuolar.

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8.
Cytoplasmic strands that extend through pores in adjacent cell walls are known as

Pseudopods

Symplasts

Plasmodesmata

Pili

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10.
The pressure generated when water enters & inflates plant cells is called ______ potential

Water

Osmotic

Pressure

Solute

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11.
The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

Deffusion

Osmosis

Active transport

None of these

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12.
_______ potential is the measure of the change in water potential of a system due to the presence of solute molecules.

Osmotic

Pressure

Both of these

None of these

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14.
_______ component of cell wall has grreat affinity with water.

Lignin

Cellulose

Pectin

All of these

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15.
Commonly in other plants than tall ones the speed of upward movement of water is

8mh-1

1 mh-1

7 mh-1

4 mh-1

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