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Q29·GS Paper 1 · Prelims 2024

Poisonous Species (Butterflies, Fish, Frogs)

EnvironmentZoology & FaunaHow-many countingHardStatic

Question

Consider the following: How many of the above have poisonous species among them?

  1. 1.

    Butterflies

  2. 2.

    Fish

  3. 3.

    Frogs

Options

a

Only one

b

Only two

c

All three

Answer
d

None

Explanation

All three groups contain poisonous species. The Monarch butterfly is poisonous due to toxins from milkweed. Pufferfish contain the deadly tetrodotoxin. Poison dart frogs secrete lethal lipophilic alkaloids through their skin.

Poisonous means toxic if eaten or touched; venomous means the toxin is actively injected. All three clades have poisonous members.

Answer: (c).

Question details

Year

2024

Paper

GS Paper 1

Question

Q29

Subject

Environment

Sub-topic

Zoology & Fauna

Type

How-many counting

Difficulty

Hard

Nature

Static

Source hint

NCERT Biology Cl.12 / Evolutionary Chemical Defense Mechanisms

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