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Assertion and Reasoning:Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of reason (R) is given just below it. Mark the correct statement as.1. Assertion (A): Some of the Angiospermic plants are propagated only by vegetative propagation. Reason (R): They have lost the capacity of seed formation. (a) If both A and R are true and R is correct explanation of A. (b) If both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) Both A and R are false.2. Assertion (A): Double fertilization is the universal features of all plants.Reason (R): In this fusion only male gametes and secondary nucleus takes place.(a) If both A and R are true and R is correct explanation of A.(b) If both A and R are true but R is not the correct explanation of A.(c) A is true but R is false. (d) Both A and R are false3. Assertion (A): The unit of Androecium is called stamen.Reason (R): The most important part of androecium is anther.(a) If both A and R are true and R is correct explanation of A.(b) If both A and R are true but R is not the correct explanation of A. (c) A is true but R is false.(d) Both A and R are false.4. Assertion (A): Anemophily includes wastage of pollen grains.Reason (R): Anemophilous flowers are neither attractive nor fragrant.(a) If both A and R are true and R is correct explanation of A.(b) If both A and R are true but R is not the correct explanation of A.(c) A is true but R is false. (d) Both A and R are false.5. Assertion (A): Sexual reproduction takes place with the participation of two different type of gametes.Reason (R): Sexual reproduction is also known as Apomixies.(a) If both A and R are true and R is correct explanation of A. (b) If both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) Both A and R are false.6. Assertion (A): In India, IUDS most widely accepted methods of contraception.Reason (R): IUDS are injectable contraceptives, which prevent pregnancy for three months.(a) If both A and R are true and R is correct explanation of A.(b) If both A and R are true but R is not the correct explanation of A.(c) A is true but R is false. (d) Both A and R are false.7. Assertion (A): Over population has become a serious problem in developing countries.Reason (R): It may exhaust natural resources, cause unemployment and lead to pollution.(a) If both A and R are true and R is correct explanation of A.(b) If both A and R are true but R is not the correct explanation of A.(c) A is true but R is false. (d) Both A and R are false

Answer»

1. (a) If both A and R are true and R is correct explanation of A.

2. (d) Both A and R are false.

3. (c) A is true but R is false.

4. (b) If both A and R are true but R is not the correct explanation of A.

5. (c) A is true but R is false.

6. (c) A is true but R is false.

7. (a) If both A and R are true and R is correct explanation of A.



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