Question

.The question given below consist of an Assertion and Reason. Use

the following key to choose appropriate answer

(a)If both assertion and reason are true & Reason is correct

explanation of Assertion.

(b)If both assertion & reason are true but Reason is not correct

explanation of Assertion.

(c)If assertion is true but Reason is false.

(d)If assertion is false but Reason is true.Assertion: Both the father & Mother contribute practically equal

amounts of genetic material to the child.

Reason: Each trait is influenced by both paternal & maternal DNA.

7) Why are the traffic light stop signals of red colour?

8) Which scientific term is used for progressive accumulation of harmful

chemicals at each trophic level of a food chain?

9) State two factors by which the strengh of magnetic field inside a

solenoid can be increased.?

10) The relation between V-I in a conductor is given by:

a) Ampere.

b) Ohm.

c) Coulomb.

d) Fleming.

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Answer 1

Answer:

The procedure in nature by which, as indicated by Darwin's hypothesis of advancement, just the living beings best adjusted to their condition will, in general, endure and transmit their hereditary characters in expanding numbers to succeeding ages while those less adjusted will, in general, be killed.

So, the correct option is 'Assertion and reason are true and the reason is a correct explanation'.

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