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Question (21)

QN001581

During photosynthesis, glucose is first produced and later converted into

(A) minerals
(B) proteins
(C) starch
(D) chlorophyll

Correct Answer: C

Explanation:

Glucose is converted into starch for storage.

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Question (22)

QN001582

Which one is the correct word equation for photosynthesis?

(A) Glucose + Oxygen → Carbon dioxide + Water + Energy
(B) Carbon dioxide + Water → Glucose + Oxygen
(C) Oxygen + Water → Glucose + Carbon dioxide
(D) Starch + Water → Glucose + Oxygen

Correct Answer: B

Explanation:

Photosynthesis produces glucose and oxygen.

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Question (23)

QN001583

Rustom Hormusji Dastur studied the effect of which factor on photosynthesis?

(A) Soil colour only
(B) Water and temperature
(C) Flower size only
(D) Root thickness only

Correct Answer: B

Explanation:

He studied the effects of water and temperature.

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Question (24)

QN001584

Tiny pores present on the surface of leaves are called

(A) xylem
(B) phloem
(C) stomata
(D) chloroplasts

Correct Answer: C

Explanation:

Stomata help in exchange of gases.

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Question (25)

QN001585

Stomata mainly help in

(A) water storage
(B) exchange of gases
(C) food storage
(D) seed formation

Correct Answer: B

Explanation:

Stomata allow carbon dioxide and oxygen exchange.

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Question (26)

QN001586

In Activity 10.6, stomata were observed mostly on the

(A) upper surface of leaf
(B) flower petals
(C) lower surface of leaf
(D) root surface

Correct Answer: C

Explanation:

Stomata are mostly present on the lower surface of leaves.

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Question (27)

QN001587

Water and minerals absorbed by roots are transported through

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

Correct Answer: C

Explanation:

Xylem carries water and minerals upward.

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Question (28)

QN001588

In the coloured water experiment, red colour appeared in the stem and leaves because coloured water moved through the

(A) stomata
(B) xylem
(C) phloem
(D) root hair only

Correct Answer: B

Explanation:

Xylem transports coloured water to different parts.

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Question (29)

QN001589

The main function of phloem is to transport

(A) oxygen
(B) water and minerals
(C) food prepared in leaves
(D) chlorophyll

Correct Answer: C

Explanation:

Phloem transports food throughout the plant.

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Question (30)

QN001590

Food prepared in leaves may be stored in

(A) roots and seeds
(B) stomata only
(C) flowers only
(D) bark only

Correct Answer: A

Explanation:

Food can be stored in roots and seeds.

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Question (21)

During photosynthesis, glucose is first produced and later converted into

Explanation:

Link:

Question (22)

Which one is the correct word equation for photosynthesis?

Explanation:

Link:

Question (23)

Rustom Hormusji Dastur studied the effect of which factor on photosynthesis?

Explanation:

Link:

Question (24)

Tiny pores present on the surface of leaves are called

Explanation:

Link:

Question (25)

Stomata mainly help in

Explanation:

Link:

Question (26)

In Activity 10.6, stomata were observed mostly on the

Explanation:

Link:

Question (27)

Water and minerals absorbed by roots are transported through

Explanation:

Link:

Question (28)

In the coloured water experiment, red colour appeared in the stem and leaves because coloured water moved through the

Explanation:

Link:

Question (29)

The main function of phloem is to transport

Explanation:

Link:

Question (30)

Food prepared in leaves may be stored in

Explanation:

Link:

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