Which one of the following is a reason for conducting a thorough research at present on mitochondrial DNA?

Consider the following :

1. Camphor
2. Chicory
3. Vanilla

Which of the above is/are plant products?

A geographical region has the following climatic characteristics :

1. Uniformity of temperature throughout the year.
2. Rainfall throughout the year with two periods of maximum occurrence.
3. Least rainfall at June and December solstices.

Which one of the following climates corresponds to the above characteriscs?

Code:

If a State administration takes adequate measures to kill the larvae and adult mosquitoes, the following diseases are likely to decline in numbers except :

Consider the following pairs

Which of the above pairs is/are correctly matched?

Code:

In the human body, the antibodies produced as a result of infection are actually :