EWT | Academic Question

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Question (11)
QN008459
Which of the following is a direct advantage of classification?
  • (A) Prevents all diseases
  • (B) Makes identification of organisms easier
  • (C) Stops adaptation
  • (D) Eliminates mutations

Correct Answer: B
Explanation:

Classification helps identify organisms quickly.

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Question (12)
QN008460
Which statement best explains biodiversity?
  • (A) Presence of one type of organism
  • (B) Variety of living organisms on Earth
  • (C) Absence of differences among organisms
  • (D) Only plant diversity

Correct Answer: B
Explanation:

Biodiversity means variety of life forms.

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Question (13)
QN008461
Why do scientists compare characteristics while classifying organisms?
  • (A) To identify relationships among organisms
  • (B) To eliminate species
  • (C) To prevent evolution
  • (D) To reduce habitats

Correct Answer: A
Explanation:

Shared characteristics indicate relationships.

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Question (14)
QN008462
Which feature is least reliable for scientific classification?
  • (A) Internal structure
  • (B) Genetic similarity
  • (C) Colour variations only
  • (D) Evolutionary relationship

Correct Answer: C
Explanation:

Colour alone may vary and is unreliable.

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Question (15)
QN008463
Which statement correctly explains why whales are classified as mammals and not fishes?
  • (A) They live in water
  • (B) They possess mammary glands and lungs
  • (C) They have fins
  • (D) They possess scales only

Correct Answer: B
Explanation:

Mammals possess lungs and mammary glands.

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Question (16)
QN008464
Which field of biology mainly benefits from classification systems?
  • (A) Only botany
  • (B) Only zoology
  • (C) Study of all living organisms
  • (D) Astronomy

Correct Answer: C
Explanation:

Classification supports all biological studies.

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Question (17)
QN008465
Which observation best supports the idea that classification reflects evolutionary relationships?
  • (A) Closely related organisms share many characteristics
  • (B) All organisms look identical
  • (C) Habitat determines all relationships
  • (D) Size determines ancestry

Correct Answer: A
Explanation:

Similarities indicate common ancestry.

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Question (18)
QN008466
Which statement best explains why a lion and tiger are placed in closely related groups?
  • (A) Both have identical colour
  • (B) Both share many structural similarities
  • (C) Both live only in forests
  • (D) Both eat plants

Correct Answer: B
Explanation:

Structural similarities indicate close relationship.

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Question (19)
QN008467
Which problem can arise from using only habitat for classification?
  • (A) Unrelated organisms may be grouped together
  • (B) Organisms stop evolving
  • (C) Genetic material disappears
  • (D) Species lose adaptations

Correct Answer: A
Explanation:

Habitat alone does not reflect ancestry.

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Question (20)
QN008468
Which characteristic provides stronger evidence for classification?
  • (A) Structural organisation
  • (B) Temporary colour changes
  • (C) Daily movement pattern
  • (D) Seasonal migration only

Correct Answer: A
Explanation:

Structural organisation reflects evolutionary relationships.

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