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Question (31)

QN008569

Why is Euglena often considered an important example while studying Protista?

(A) It lacks a nucleus
(B) It shows characteristics of both plant-like and animal-like nutrition
(C) It is multicellular
(D) It forms spores

Correct Answer: B

Explanation:

Euglena can be autotrophic as well as heterotrophic.

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Question (32)

QN008570

Which kingdom contains organisms that may be producers, consumers or decomposers?

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

Correct Answer: C

Explanation:

Protists show diverse nutritional modes.

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Question (33)

QN008571

A student observes an organism with no true nucleus but a rigid cell covering. It should be classified as

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

Correct Answer: B

Explanation:

Lack of a true nucleus indicates Monera.

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Question (34)

QN008572

The Five Kingdom Classification was considered superior to earlier systems because it

(A) Classified organisms only by habitat
(B) Considered multiple biological criteria
(C) Ignored microorganisms
(D) Included viruses as a kingdom

Correct Answer: B

Explanation:

It used cell structure, organisation, nutrition and ecological role.

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Question (35)

QN008573

Which kingdom would most likely contain an organism responsible for fermentation in bread making?

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

Correct Answer: C

Explanation:

Yeast used in bread making belongs to Fungi.

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Question (36)

QN008574

An organism is multicellular, lacks cell walls and obtains food by ingestion. It belongs to

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

Correct Answer: B

Explanation:

These are characteristic features of animals.

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Question (37)

QN008575

Which observation would most strongly support placing an organism in Monera rather than Protista?

(A) It is microscopic.
(B) It is unicellular.
(C) It lacks a membrane-bound nucleus.
(D) It lives in water.

Correct Answer: C

Explanation:

The absence of a true nucleus is the defining feature of Monera.

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Question (38)

QN008576

A newly discovered organism is unicellular, eukaryotic and photosynthetic. Which kingdom assignment is most appropriate?

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

Correct Answer: B

Explanation:

A unicellular photosynthetic eukaryote belongs to Protista.

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Question (39)

QN008577

Which limitation of the Five Kingdom Classification led to the later development of the Three Domain System?

(A) It classified organisms only by habitat.
(B) It failed to recognise genetic differences among microorganisms fully.
(C) It excluded plants.
(D) It excluded fungi.

Correct Answer: B

Explanation:

Genetic studies revealed deeper differences among microorganisms.

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Question (40)

QN008578

If a classification system places bacteria and mushrooms in the same group solely because both have cell walls, what important principle of Whittaker’s system is being ignored?

(A) Considering multiple classification criteria together
(B) Considering habitat only
(C) Considering colour only
(D) Considering body size only

Correct Answer: A

Explanation:

Whittaker’s system uses multiple criteria, not a single characteristic.

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Question (31)

Why is Euglena often considered an important example while studying Protista?

Explanation:

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Question (32)

Which kingdom contains organisms that may be producers, consumers or decomposers?

Explanation:

Link:

Question (33)

A student observes an organism with no true nucleus but a rigid cell covering. It should be classified as

Explanation:

Link:

Question (34)

The Five Kingdom Classification was considered superior to earlier systems because it

Explanation:

Link:

Question (35)

Which kingdom would most likely contain an organism responsible for fermentation in bread making?

Explanation:

Link:

Question (36)

An organism is multicellular, lacks cell walls and obtains food by ingestion. It belongs to

Explanation:

Link:

Question (37)

Which observation would most strongly support placing an organism in Monera rather than Protista?

Explanation:

Link:

Question (38)

A newly discovered organism is unicellular, eukaryotic and photosynthetic. Which kingdom assignment is most appropriate?

Explanation:

Link:

Question (39)

Which limitation of the Five Kingdom Classification led to the later development of the Three Domain System?

Explanation:

Link:

Question (40)

If a classification system places bacteria and mushrooms in the same group solely because both have cell walls, what important principle of Whittaker’s system is being ignored?

Explanation:

Link:

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