Water potential of pure water is__________?
A. zero
B. one
C. negative
D. two
A. zero
B. one
C. negative
D. two
Total number of amino acids discovered so far in cells and tissues are______________?
A. 20
B. 25
C. 150
D. 170
Which of the following cytoskeletal fiber contain tubulin protein?
A. One which help in assembly of sdles during mitosis.
B. One involved in internal cell motion.
C. One involved in maintenance of cell shape.
D. Both b and c
A group of very similar inter breeding organisms constitutes?
A. Biosphere
B. Ecosystem
C. Population
D. Species
Which of the following is responsible for Irish potato famine?
A. Dinoflagellates
B. Kleps
C. Physarum polycephalum
D. Phytophthora infestans
Maximum speed of nerve impulse transmission is____________?
A. 100 m/sec
B. 110 m/sec
C. 120m/sec
D. 130 m/sec.