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Question (11)

QN008669

The study of fossils mainly helps scientists understand

(A) Ancient biodiversity
(B) Future climates only
(C) Modern agriculture only
(D) Computer simulations

Correct Answer: A

Explanation:

Fossils provide information about past biodiversity.

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Question (12)

QN008670

A scientist finds fossils of marine organisms on a mountain. This suggests that

(A) Mountains always contain oceans.
(B) The region may once have been underwater.
(C) Fossils move upward by themselves.
(D) Marine organisms lived only on mountains.

Correct Answer: B

Explanation:

Geological changes may have uplifted former sea beds.

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Question (13)

QN008671

Which process contributes most directly to fossil formation?

(A) Rapid preservation after burial
(B) Continuous burning
(C) Instant evaporation
(D) Radio transmission

Correct Answer: A

Explanation:

Quick burial protects remains from decay.

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Question (14)

QN008672

Fossils help classify extinct organisms because they provide information about

(A) Structure and form
(B) Future adaptations
(C) Modern population size
(D) Current habitats

Correct Answer: A

Explanation:

Structural features help classify organisms.

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Question (15)

QN008673

If Fossil A is found in a rock layer estimated to be 200 million years old and Fossil B in a layer 120 million years old, which is older?

(A) Fossil A
(B) Fossil B
(C) Both are equal
(D) Cannot be determined

Correct Answer: A

Explanation:

Fossil A is from the older rock layer.

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Question (16)

QN008674

Trace fossils include evidence such as

(A) Footprints and burrows
(B) Bones only
(C) Teeth only
(D) Shells only

Correct Answer: A

Explanation:

Trace fossils record activities of organisms.

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Question (17)

QN008675

A fossilized footprint provides evidence mainly about an organism’s

(A) Movement and behaviour
(B) Blood composition
(C) DNA sequence
(D) Eye colour

Correct Answer: A

Explanation:

Footprints reveal locomotion and behaviour.

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Question (18)

QN008676

Why are sedimentary rocks more suitable for preserving fossils?

(A) They form through gradual deposition of sediments.
(B) They are always the hardest rocks.
(C) They contain molten magma.
(D) They never undergo erosion.

Correct Answer: A

Explanation:

Sediments can bury and preserve organisms.

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Question (19)

QN008677

If three fossil layers are arranged from top to bottom as X, Y, and Z, which layer is generally the oldest?

(A) X
(B) Y
(C) Z
(D) All are equal

Correct Answer: C

Explanation:

The deepest layer is generally the oldest.

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Question (20)

QN008678

Fossils reveal that many organisms

(A) Have remained completely unchanged.
(B) Appeared only recently.
(C) Existed in the past but are now extinct.
(D) Never interacted with the environment.

Correct Answer: C

Explanation:

Fossils provide evidence of extinct organisms.

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Question (11)

The study of fossils mainly helps scientists understand

Explanation:

Link:

Question (12)

A scientist finds fossils of marine organisms on a mountain. This suggests that

Explanation:

Link:

Question (13)

Which process contributes most directly to fossil formation?

Explanation:

Link:

Question (14)

Fossils help classify extinct organisms because they provide information about

Explanation:

Link:

Question (15)

If Fossil A is found in a rock layer estimated to be 200 million years old and Fossil B in a layer 120 million years old, which is older?

Explanation:

Link:

Question (16)

Trace fossils include evidence such as

Explanation:

Link:

Question (17)

A fossilized footprint provides evidence mainly about an organism’s

Explanation:

Link:

Question (18)

Why are sedimentary rocks more suitable for preserving fossils?

Explanation:

Link:

Question (19)

If three fossil layers are arranged from top to bottom as X, Y, and Z, which layer is generally the oldest?

Explanation:

Link:

Question (20)

Fossils reveal that many organisms

Explanation:

Link:

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