Question
Easy
Which of the following statements are true in the context of respiration in whales and dolphins ? (A) They cannot use dissolved Oxygen. (B) They have gills. (C) They have large nostrils. (D) They often come up to the water surface to breathe.
1
(A), (B), (D)
2
(A), (B), (C)
3
(A), (C), (D)
4
(B), (C), (D)
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Life Processes
Topic: Respiration
Correct Answer
Option C
Explanation
Option 3, which includes statements (A), (C), and (D), is the correct answer. Let's explore why this option is accurate and why the other options are incorrect. 1. Explanation for Option 3 (Correct Answer): - (A) They cannot use dissolved Oxygen: Whales and dolphins are mammals, not fish. Unlike fish, which use gills to extract oxygen from water, whales and dolphins rely on lungs for respiration. Therefore, they cannot use…Read More
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