Getting To Know Plants Test

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Getting To Know Plants Test - 14

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Weekly Quiz Competition

Question 1
1 / -0

Green tender stems are characteristic of

A
Herbs

B
Shrubs

C
Trees

D
None of these

Solution

Herbs are very short plants with green tender stems and no branches. Stems have hard but thin stems while trees have hard and thick stems.
Hence the correct option is A.
Question 2
1 / -0

Plants that have branches in the upper part and away from the ground are ____________.

A
Herbs

B
Shrubs

C
Trees

D
Grasses

Solution

Trees are very tall plants with long, hard and thick stems. They have branches which are at the upper part of the stem and much raised from the ground.
Hence the correct option is C.
Question 3
1 / -0

When a stem is placed in a coloured solution, it gradually becomes coloured from the bottom to top. What does it show?

A
Stem has no chlorophyll

B
Water gradually moves up the stem

C
Stem is freely permeable

D
None of these

Solution

The experimental shows that stem helps in the upward conduction of water.
Hence the correct option is B.
Question 4
1 / -0

When a stem is placed in a coloured solution, it gradually becomes coloured from the bottom to top. What does it show?

A
Stem has no chlorophyll

B
Water gradually moves up the stem

C
Stem is freely permeable

D
Both A & C
Solution
When a stem is placed in a coloured solution, water moves up the stem and the stem becomes gradually coloured.
The experimental shows that stem helps in the upward conduction of water.
Hence the correct option is B.
Question 5
1 / -0

Which of the following plants have thick hard stems and are very tall?

A
Lemon

B
Tomato

C
Mango

D
None of these

Solution

Mango grows on trees which are very tall and have thick hard stems.
Tomoto plants are herbs whereas lemon plants are shrubs.
Hence the correct option is C.
Question 6
1 / -0

Why does the stem become coloured when placed in a coloured solution?

A
Water moves up the stem

B
Stem is permeable to the colour molecules

C
Stem is impermeable to water

D
Water moves down the stem

Solution

When a stem is kept in coloured solution, water moves up the stem and reaches the leaves. This is why the stem becomes coloured.
Hence the correct option is A.
Question 7
1 / -0

In the laboratory teacher asked the students to place the stem in a glass containing coloured solution. What do the students observe?

A
The stem and leaves become coloured

B
Only the stem becomes coloured

C
Only the leaves become coloured

D
Both stem and leaves do not attain the colour

Solution

When the stem is dipped in the coloured solution, water gradually moves up the stem and reaches the leaves. Hence both the stem and leaves become coloured.
Thus the correct option is A.
Question 8
1 / -0

What is the function of the stem?

A
Upward transport of water

B
Downward transport of water

C
Both A and B

D
None of these

Solution

Stem helps in the upward transport of water.Water absorbed by the roots move up the stem and reaches the leaves.
Hence the correct option is A.
Question 9
1 / -0

Veins are associated with which part of the plant?

A
Stems

B
Roots

C
Leaves

D
Flower

Solution

Veins are present in the leaves of plant and water reaches the leaves via the veins.
Hence the correct option is C.
Question 10
1 / -0

The function of root cap is __________.

A
Protection of root tip and control of geotropic movement

B
Storage of food products

C
Absorption of nutrients

D
All of the above
Solution
- The function of the root cap is to protect the root tip and control geotropic movement. The root cap is a section of tissue at the tip of a plant root. It is also called calyptra.
- Root caps contain statocytes which help in gravity perception in plants. The root cap is also involved in the protection of the growing tip in plants. It secretes mucilage to ease the movement of the root through the soil and may also be involved in communication with the soil microbiota.
Thus, the correct answer is option A.

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Re-Attempt Weekly Quiz Competition

Getting To Know Plants Test - 14

Result

Getting To Know Plants Test - 14

Score

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SHARING IS CARING

Question 1

Herbs

Shrubs

Trees

None of these

Solution

Question 2

Herbs

Shrubs

Trees

Grasses

Solution

Question 3

Stem has no chlorophyll

Water gradually moves up the stem

Stem is freely permeable

None of these

Solution

Question 4

Stem has no chlorophyll

Water gradually moves up the stem

Stem is freely permeable

Both A & C

Solution

Question 5

Lemon

Tomato

Mango

None of these

Solution

Question 6

Water moves up the stem

Stem is permeable to the colour molecules

Stem is impermeable to water

Water moves down the stem

Solution

Question 7

The stem and leaves become coloured

Only the stem becomes coloured

Only the leaves become coloured

Both stem and leaves do not attain the colour

Solution

Question 8

Upward transport of water

Downward transport of water

Both A and B

None of these

Solution

Question 9

Stems

Roots

Leaves

Flower

Solution

Question 10

Protection of root tip and control of geotropic movement

Storage of food products

Absorption of nutrients

All of the above

Solution

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