मुख्य›संघ लोक सेवा आयोग प्रारंभिक परीक्षा›प्रश्न पत्र 1: सामान्य अध्ययन›सामान्य अध्ययन›पर्यावरण पारिस्थितिकी, जैव-विविधता और जलवायु परिवर्तन संबंधी सामान्य मुद्दे›निम्नलिखित प्राणियों पर विचार कीजिए : 1. जाहक (हेज्हांग) 2. शैलमूषक

निम्नलिखित प्राणियों पर विचार कीजिए :
1. जाहक (हेज्हांग)
2. शैलमूषक (मारमाॉट)
3. व्त्रशल्क (पैगोलिन)
उपर्युक्त में से कौन-सा/कौन-से जीव परभक्षियों द्वारा पकड़े जाने की संभावना को कम करने के लिए, स्वयं को लपेटकर अपने सुभेद अंगों की रक्षा करता है/ करते हैं?

20212Mprelimsupscyear-2021p1environmentenvironment-ecology-and-disaster-managementecosystem-and-ecology
A.1 और 2
B.केवल 2
C.केवल 3
D.1 और 3सही
व्याख्या एवं हल

सही उत्तर (D) 1 and 3 है।

व्याख्या:

Hedgehogs have spines which are known as quills, and they know how to use them. When they feel threatened, their quills immediately go up in full force. To protect himself, a hedgehog coils his head and feet into his body and creates a ball. When threatened, a pangolin will curl up into a tight ball and defend itself with its sharp-scaled tails. When the yellow-bellied marmot sees a predator, it whistles to alert the others in the area, then hides under a nearby rock pile until the threat has passed. They do not roll up.

In English (Question & Model Answer)

Consider the following animals :
1. Hedgehog
2. Marmot
3. Pangolin
To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?

A.1 and 2
B.2 only
C.3 only
D.1 and 3Correct

The correct answer is (D) 1 and 3.

Explanation:

Hedgehogs have spines which are known as quills, and they know how to use them. When they feel threatened, their quills immediately go up in full force. To protect himself, a hedgehog coils his head and feet into his body and creates a ball. When threatened, a pangolin will curl up into a tight ball and defend itself with its sharp-scaled tails. When the yellow-bellied marmot sees a predator, it whistles to alert the others in the area, then hides under a nearby rock pile until the threat has passed. They do not roll up.

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