0 12345678910 Biology : XII-CH01 – Reproduction in Organisms – Assertion and Reason Read the assertion and reason carefully to mark the correct option. 10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions 1 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Humans are called continuous breeders. Reason: Humans are reproductively active throughout. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 2 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Animals are always viviparous. Reason: Plants are always oviparous. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 3 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: All members of bee are diploid except the queen. Reason: Queen is produced parthenogenetically. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 4 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In flowering plant after fertilization, ovary develops into seeds. Reason: Ovules mature into fruits. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 5 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In sexual reproduction the offsprings are not identical to parents or amongst themselves. Reason: Sexual reproduction involves fusion of male and female gametes. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 6 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In angiosperms the ovule develops into a seed after fertilization. Reason: Fertilization is not essential for the formation of fruit. Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false Both (A) and (R) are true and (R) is correct explanation of the assertion 7 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Vegetative propagation is asexual process. Reason: Vegetative propagation doesn’t involve two parents. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 8 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Over growth of water hyacinth leads to death of fishes in aquatic body. Reason: Water hyacinth drains oxygen from water. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 9 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Asexual as well as sexual modes of reproduction are exhibited by the higher plants. Reason: Only sexual mode of reproduction is present in most of the animals. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false 10 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Plants are defined as monoecious and dioecious Reason: Flowers may be bisexual and unisexual. Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true and (R) is not correct explanation of the assertion (A) is true but (R) is false Both (A) and (R) are false Your score is Restart quiz Was this helpful? YesNo 0 / 0