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Question (31)

QN001671

In the transport experiment, the plant placed in plain water acts mainly as

(A) a nutrient source
(B) a control setup
(C) a photosynthesis setup
(D) a respiration setup

Correct Answer: B

Explanation:

Plain water setup acts as control.

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Question (32)

QN001672

Which of the following is true about transport in plants?

(A) Xylem transports food
(B) Phloem transports minerals only
(C) Xylem carries water and minerals
(D) Stomata transport starch

Correct Answer: C

Explanation:

Xylem carries water and minerals.

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Question (33)

QN001673

Food prepared by photosynthesis is transported mainly from

(A) roots to leaves
(B) flowers to roots
(C) leaves to other parts
(D) stem to flowers only

Correct Answer: C

Explanation:

Leaves transport food to other parts.

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Question (34)

QN001674

A wilted plant regains freshness after watering because water transport occurs through

(A) phloem
(B) chlorophyll
(C) xylem
(D) stomata only

Correct Answer: C

Explanation:

Xylem restores water supply.

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Question (35)

QN001675

Which combination correctly matches the plant tissue with its function?

(A) Xylem – food transport
(B) Phloem – water transport
(C) Xylem – water transport
(D) Stomata – mineral transport

Correct Answer: C

Explanation:

Xylem transports water.

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Question (36)

QN001676

In a plant, minerals absorbed from soil are mixed with water before moving through

(A) flowers
(B) xylem
(C) stomata
(D) phloem only

Correct Answer: B

Explanation:

Minerals move through xylem with water.

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Question (37)

QN001677

Why are white flowers preferred in the coloured water experiment?

(A) They absorb more minerals
(B) Colour change becomes easier to observe
(C) They prepare more food
(D) They contain more chlorophyll

Correct Answer: B

Explanation:

Colour change is easily visible in white flowers.

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Question (38)

QN001678

Which transport tissue helps in storage and movement of food in plants?

(A) Phloem
(B) Xylem
(C) Stomata
(D) Root hair

Correct Answer: A

Explanation:

Phloem transports food.

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Question (39)

QN001679

If roots fail to absorb minerals, which plant process will be affected first?

(A) Water transport through xylem
(B) Supply of nutrients to leaves
(C) Release of oxygen from stomata
(D) Seed dispersal

Correct Answer: B

Explanation:

Leaves will not receive minerals.

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Question (40)

QN001680

Which observation best confirms upward movement of water in plants?

(A) Formation of flowers
(B) Appearance of coloured veins in leaves
(C) Release of oxygen bubbles
(D) Increase in root length

Correct Answer: B

Explanation:

Coloured veins show upward movement of water.

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Question (31)

In the transport experiment, the plant placed in plain water acts mainly as

Explanation:

Link:

Question (32)

Which of the following is true about transport in plants?

Explanation:

Link:

Question (33)

Food prepared by photosynthesis is transported mainly from

Explanation:

Link:

Question (34)

A wilted plant regains freshness after watering because water transport occurs through

Explanation:

Link:

Question (35)

Which combination correctly matches the plant tissue with its function?

Explanation:

Link:

Question (36)

In a plant, minerals absorbed from soil are mixed with water before moving through

Explanation:

Link:

Question (37)

Why are white flowers preferred in the coloured water experiment?

Explanation:

Link:

Question (38)

Which transport tissue helps in storage and movement of food in plants?

Explanation:

Link:

Question (39)

If roots fail to absorb minerals, which plant process will be affected first?

Explanation:

Link:

Question (40)

Which observation best confirms upward movement of water in plants?

Explanation:

Link:

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