Biology - Study Mode
[#446] Snakes receive sound vibrations by
Correct Answer
(B) Body
Explanation
Solution: Some snakes are able to perceive and react to substrate-borne vibrations. The vibrations are transmitted directly from skull to inner ear where it is sensed by brain. They also detect vibrations directly with receptors on their body surface. Thus, the correct answer is option B.
[#447] A man with colour blindness will see red as
Correct Answer
(A) Green
Explanation
Solution: A person with color-blindness has trouble seeing red, green, blue, or mixtures of these colors. The most common type is red-green color-blindness, where red and green are seen as the same color.
[#448] Pair of ribs found in man
Correct Answer
(A) 12
Explanation
Solution: Pair of ribs found in man is 12.
[#449] Strongest bone of body is found in
Correct Answer
(A) Thigh
Explanation
Solution: The femur bone is the longest and strongest bone in the body. Located in the thigh , it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton
[#450] Smallest bone of human body is
Correct Answer
(D) Stapes
Explanation
Solution: The 3 smallest bones in the human body--malleus, incus, and stapes--are located in the middle ear. At 3 x 5 mm in size, the stapes is the smallest bone in the human body.