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Question (1)

QN008499

Which scientist grouped animals mainly on the basis of habitat such as land, water and air?

(A) Carolus Linnaeus
(B) Aristotle
(C) Ernst Haeckel
(D) Robert Whittaker

Correct Answer: B

Explanation:

Aristotle grouped animals mainly according to habitat and external features.

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Question (2)

QN008500

Aristotle’s classification system was considered limited because it mainly relied on

(A) DNA analysis
(B) cellular organisation
(C) easily observable external features
(D) ecological roles

Correct Answer: C

Explanation:

It depended mainly on visible external characteristics.

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Question (3)

QN008501

In the two-kingdom classification system, all organisms were placed under

(A) Monera and Protista
(B) Plantae and Animalia
(C) Fungi and Animalia
(D) Archaea and Bacteria

Correct Answer: B

Explanation:

The two kingdoms were Plantae and Animalia.

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Question (4)

QN008502

According to the two-kingdom system, organisms that synthesise their own food were placed in

(A) Animalia
(B) Protista
(C) Monera
(D) Plantae

Correct Answer: D

Explanation:

Autotrophic organisms were placed under Plantae.

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Question (5)

QN008503

Which characteristic was primarily used to place organisms in Animalia in the two-kingdom system?

(A) Presence of cell wall
(B) Ability to move and depend on others for food
(C) Presence of nucleus
(D) Unicellular organisation

Correct Answer: B

Explanation:

Animalia included organisms that move and depend on others for food.

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Question (6)

QN008504

Which pair of organisms created confusion in the two-kingdom classification because they move like animals but are unicellular?

(A) Moss and fern
(B) Mushroom and yeast
(C) Amoeba and Paramecium
(D) Pine and rose

Correct Answer: C

Explanation:

Amoeba and Paramecium are unicellular yet show animal-like movement.

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Question (7)

QN008505

The kingdom Protista was introduced mainly to include

(A) multicellular fungi
(B) microscopic unicellular organisms
(C) seed-bearing plants
(D) vertebrate animals

Correct Answer: B

Explanation:

Protista was added for microscopic unicellular life forms.

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Question (8)

QN008506

Which scientist introduced the three-kingdom classification system by adding Protista?

(A) Aristotle
(B) Carolus Linnaeus
(C) Ernst Haeckel
(D) Carl Woese

Correct Answer: C

Explanation:

Ernst Haeckel introduced the kingdom Protista.

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Question (9)

QN008507

What major cellular difference led to the separation of bacteria from Protista?

(A) Presence of chlorophyll
(B) Presence of locomotion
(C) Presence or absence of a true nucleus
(D) Presence of spores

Correct Answer: C

Explanation:

Bacteria lack a membrane-bound nucleus while protists possess one.

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Question (10)

QN008508

Organisms lacking a membrane-bound nucleus were placed in

(A) Protista
(B) Animalia
(C) Plantae
(D) Monera

Correct Answer: D

Explanation:

Monera includes prokaryotic organisms without a true nucleus.

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Question (1)

Which scientist grouped animals mainly on the basis of habitat such as land, water and air?

Explanation:

Link:

Question (2)

Aristotle’s classification system was considered limited because it mainly relied on

Explanation:

Link:

Question (3)

In the two-kingdom classification system, all organisms were placed under

Explanation:

Link:

Question (4)

According to the two-kingdom system, organisms that synthesise their own food were placed in

Explanation:

Link:

Question (5)

Which characteristic was primarily used to place organisms in Animalia in the two-kingdom system?

Explanation:

Link:

Question (6)

Which pair of organisms created confusion in the two-kingdom classification because they move like animals but are unicellular?

Explanation:

Link:

Question (7)

The kingdom Protista was introduced mainly to include

Explanation:

Link:

Question (8)

Which scientist introduced the three-kingdom classification system by adding Protista?

Explanation:

Link:

Question (9)

What major cellular difference led to the separation of bacteria from Protista?

Explanation:

Link:

Question (10)

Organisms lacking a membrane-bound nucleus were placed in

Explanation:

Link:

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