1. GA
2. Ethylene
3. Maleic hydrazide
4. 2, 4, 5-T
GA
1. increase in chromosome number of 21st pair
2. decrease in chromosome number of 21st pair
3. increase in chromosome number of 18th pair
4. decrease in chromosome number of 18th pair
increase in chromosome number of 21st pair
1. A proprioceptor
2. A hair cell
3. A menchanoreceptor
4. A muscle spindle
A proprioceptor
1. Nerves are living
2. Electricity provides a shock
3. Nerve impulse is self generated on stimulation and propagated
4. All the above
Nerve impulse is self generated on stimulation and propagated
1. CNS
2. ANS
3. PNS
4. Spinal cord
ANS
1. Diffusion of sodium ions into the neuron
2. Diffusion of sodium ions out of the neuron
3. Diffusion of potassium ions out of the neuron
4. Diffusion of potassium ions into the neuron
Diffusion of sodium ions into the neuron
1. algae and cyoanobacteria that also live in the aphotic zone
2. algae and cyoanobacteria that live in the photic zone
3. decomposers
4. minerals found on the ocean bottom
algae and cyoanobacteria that live in the photic zone
1. 33%
2. 45%
3. 67%
4. 51%
67\%
1. 1952
2. 1963
3. 1972
4. 1988
1972
1. terrace tillage
2. reduced tillage
3. no tillage
4. Both (b)and(c)
Both (b)and(c)