Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses A. If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. B. If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.
Assertion: Ginger has a prostrate growing rhizome. Reason: Shoot growth is not effected by gravity.A) A
B) B
C) C
D) D
E) E
Correct Answer: B
Solution :
Ginger is an example of rhizome (e.g., Prostrate stem creeping horizontally undersoil surface). It has no effect of gravity. Rhizome of ginger contains nodes, internodes and scaly leaves. Buds are emerges from axils of scaly leaves. Response of light to plants is known as phototropism. In this sense shoot show positive phototropism and root show negative phototropism.
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