At which one of the following places are cave paintings of prehistoric times found ?
Which of the following are sources of methane, a greenhouse gas ?
Select the correct answer using the code given below :
India is a member of :
Consider the following pairs :
Which of the above pairs are correctly matched ?
Which one of the following became extinct in India a few decades ago and is proposed to be re-introduced ?
Which one of the following is spread over three States ?