0 12345678910 Biology : Ch05 – Plant Morphology – 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: In hypogynous flower ovary is always inferior. Reason: Parts of flower in hypogynous condition arises above ovary. 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: Phylloclade (flattened stem of plant like opuntia) helps the plant to grow in dry habitats. Reason: Very low transpiration occurs from stems. 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: Formation of phyllode is a mechanism to reduce transpiration. Reason: It is vertically placed and has fewer stomata 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: Calyx and corolla are accessory organs of the flower. Reason: They do not directly involve in sexual reproduction. 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: Parallel venation is the characteristics of most of monocots. Reason: In parallel venation veins run parallel to each other with in a leaf lamina. 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: Old root hairs are replaced by new ones. Reason: Outer cells of root gives rise to root hairs. 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 7 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Maize is an albuminous seed. Reason: Endosperm is completely absorbed by its growing embryo. 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: Thorns are found in plants such as citrus and bougainvillea. Reason: Thorns protect plant from grazing 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 9 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In plants such as bean,gram and pea seeds are called non-endospermous. Reason: The endosperm inis not present in mature seeds of above plants. 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: Actinomorphic flowers show radial symmetry. Reason: Zygomorphic flowers have bilateral symmetry. 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 #XI - Biology - Assertion and Reason