Question:
Comprehension Passage:
Deoxyribonucleic acid (DNA) is a very special molecule. It (1) _________ as the code for all life on Earth, holding the cellular instructions to (2) _________ everything from a beetle to a human. Because DNA is (3) _________ to each species, it’s like a product barcode in a supermarket. As animals and plants live their lives, they (4) _________ fragments of their DNA into their environment (5) _________ dead skin, hair, saliva, scat, leaves or pollen. These traces make up environmental DNA. There’s enough DNA in water and even air to tell species apart.
Select the most appropriate option to fill in blank no. 3.
गद्यांश (Comprehension):
Deoxyribonucleic acid (DNA) is a very special molecule. It (1) _________ as the code for all life on Earth, holding the cellular instructions to (2) _________ everything from a beetle to a human. Because DNA is (3) _________ to each species, it’s like a product barcode in a supermarket. As animals and plants live their lives, they (4) _________ fragments of their DNA into their environment (5) _________ dead skin, hair, saliva, scat, leaves or pollen. These traces make up environmental DNA. There’s enough DNA in water and even air to tell species apart.
Select the most appropriate option to fill in blank no. 3.
Options:
- (A) usual
- (B) unique
- (C) slight
- (D) common
- (A) usual
- (B) unique
- (C) slight
- (D) common
Correct Answer: Option B
Explanation:
Detailed Explanation: ‘unique’ matches the comparison to a distinctive barcode for each species.
विस्तृत व्याख्या: ‘Because DNA is unique to each species, it’s like a product barcode’ – बारकोड की तरह प्रत्येक प्रजाति के लिए ‘unique’ (विशिष्ट) होता है।