Question
Consider the following statements and choose the correct
answer with the help of the codes given below: Assertion (A): Sodium metal is preserved in 'Kerosene Oil'. Reason (R): Sodium becomes very reactive in air. Select the correct answer using the codes given below: Code:Solution
Assertion (A) and Reason (R) both are correct and Reason (R) correctly explains Assertion (A). Sodium metal is preserved in 'Kerosene Oil' because Sodium becomes very reactive in air.
Which of the following is NOT in the mustard group?
________ has propounded that "output is a function of labour and capital".
Oxygen is transported in the insect body mainly through which of the following systems?
Small etiolated area develops near the distal end of the fruit which gradually spreads, turns nearly black and covers the tip of the fruit completely. T...
Foundation seed is the progeny ofÂ
Premature leaf fall of apple is caused by
Which insect order does not undergo complete metamorphosis (holometabolism)?
Which one of the following type of nozzle is suitable for application of contact type of herbicide on dense weedy patches?
Given below are two statements:
Statement I: Mutation is sudden heritable change in characteristics of an organism.
Statement II: Mutation...
Which one of the following categories of weeds , survives by attaching to the vascular system of the host plant?