1. X-rays
2. Radio waves
3. Ultra-violet rays
4. Cosmic rays
Radio waves
1. Human chorionic gonadotropin
2. Oestrogen
3. Prolactin
4. Progesterone
Prolactin
1. 600000
2. 400000
3. 500000
4. 550000
500000
1. tadpole
2. adult frog
3. cockroach
4. rabbit
tadpole
1. steroids
2. peptides
3. amino acid derivatives
4. All of these
All of these
1. III→I→II
2. II→III→I
3. III→II→I
4. I→III→II
III→II→I
1. blood vessels
2. Malpighian body
3. R W green gland
4. urethra
Malpighian body
1. continue to respond but requires higher concentration of hormone
2. continue to respond but in opposite way
3. continue to respond without any difference not respond to hormone
4. not respond to hormone
not respond to hormone
1. Cryopreservation
2. Wild – life sancturaries
3. Biosphere reserves
4. National parks
Cryopreservation
1. amount of water absorbed equals the amount transpired
2. osmotic pressure
3. root pressure
4. potential difference between the tip of the tube and that of the plant
amount of water absorbed equals the amount transpired