Science, asked by kishankumar5897, 11 months ago

ection (Q49 to Q53): In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
(b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) The statement of the Assertion is false but the Reason is true.
49. Assertion: When air is passed through lime water, lime water turns milky.
Reason: Air contains 78% nitrogen and 21% oxygen.
"50. Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure."
"51. Assertion: Human being has a complex respiratory system.
Reason: Human skin is impermeable to gases."
"52. Assertion: All proteins in our food are digested in small intestine only.
Reason: The protein digesting enzymes are released onto small intestine."
"53. Assertion: Human heart does not allow mixing of oxygen reach blood with carbon dioxide reach blood.
Reason: Human heart has different chambers."

Answers

Answered by rajkumarideo37
0

Answer:

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