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Question (31)

QN0011823

If 36 birds are divided equally into 3 flocks, each flock contains:

(A) 10
(B) 11
(C) 12
(D) 13

Correct Answer: C

Explanation:

36 ÷ 3 = 12.

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Question (32)

QN0011824

A flock contains 960 birds. If 320 move to another location, how many remain?

(A) 540
(B) 620
(C) 640
(D) 680

Correct Answer: C

Explanation:

960 − 320 = 640.

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Question (33)

QN0011825

Which factor mentioned in the activity may help a bird during its long journey?

(A) Wind
(B) Ocean currents
(C) Warm weather
(D) All of these

Correct Answer: D

Explanation:

All these natural factors can support migration.

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Question (34)

QN0011826

A farmer estimates that each rosy starling saves 15 crop plants from pest attack. How many plants are protected by 40 birds?

(A) 500
(B) 550
(C) 600
(D) 650

Correct Answer: C

Explanation:

40 × 15 = 600.

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Question (35)

QN0011827

If 240 birds arrive in the morning and another 360 arrive later, how many birds are present altogether?

(A) 500
(B) 550
(C) 600
(D) 650

Correct Answer: C

Explanation:

240 + 360 = 600.

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Question (36)

QN0011828

Why are rosy starlings considered migratory birds?

(A) They change colour every season
(B) They travel long distances from one region to another seasonally
(C) They remain in one nest all year
(D) They live only near rivers

Correct Answer: B

Explanation:

Migratory birds travel seasonally over long distances.

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Question (37)

QN0011829

A flock of 150 birds doubles in number after another flock joins it. The new flock size becomes:

(A) 250
(B) 275
(C) 300
(D) 350

Correct Answer: C

Explanation:

150 × 2 = 300.

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Question (38)

QN0011830

Which observation would best show that rosy starlings are helping a farm?

(A) More damaged crops
(B) Fewer locusts and grasshoppers in fields
(C) Less soil in the field
(D) More weeds growing

Correct Answer: B

Explanation:

Reduced pest numbers indicate their benefit to farms.

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Question (39)

QN0011831

If 84 birds are arranged equally into 7 groups during observation, each group will have:

(A) 10
(B) 11
(C) 12
(D) 13

Correct Answer: C

Explanation:

84 ÷ 7 = 12.

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Question (40)

QN0011832

The migration of rosy starlings from Russia and Mongolia to India is an example of:

(A) Global natural connectivity
(B) Industrial development
(C) Urbanisation
(D) Mining activity

Correct Answer: A

Explanation:

The migration illustrates how nature connects different regions of the world.

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Question (31)

If 36 birds are divided equally into 3 flocks, each flock contains:

Explanation:

Link:

Question (32)

A flock contains 960 birds. If 320 move to another location, how many remain?

Explanation:

Link:

Question (33)

Which factor mentioned in the activity may help a bird during its long journey?

Explanation:

Link:

Question (34)

A farmer estimates that each rosy starling saves 15 crop plants from pest attack. How many plants are protected by 40 birds?

Explanation:

Link:

Question (35)

If 240 birds arrive in the morning and another 360 arrive later, how many birds are present altogether?

Explanation:

Link:

Question (36)

Why are rosy starlings considered migratory birds?

Explanation:

Link:

Question (37)

A flock of 150 birds doubles in number after another flock joins it. The new flock size becomes:

Explanation:

Link:

Question (38)

Which observation would best show that rosy starlings are helping a farm?

Explanation:

Link:

Question (39)

If 84 birds are arranged equally into 7 groups during observation, each group will have:

Explanation:

Link:

Question (40)

The migration of rosy starlings from Russia and Mongolia to India is an example of:

Explanation:

Link:

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