1.
Rain water helps to increase the ____ to some extent.
2.
Number of chromosomes in Down's syndrome is
3.
Plants are killed in winter by frost
4.
One of the following is most suitable for study of mutations
5.
Pulses are a good source of
6.
Oxygen in our blood is transported by a protein named
7.
Nymph is the name of young one of
8.
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
9.
Plants that grow under average temperature and moisture are called
10.
Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of