Write note on any three of the following: each with two to three important points:

Write notes on any three of the following, each with two to three important points Limnetic zone

Write notes on any three of the following each with 2 to 3 important points : tRNA

Write note on any three of the following: each with two to three important points: Inoculation

Write notes on any three of the following, each with two to three important points Aminoacylation

Write note on any three of the following: each with two to three important points: Phosphorous cycle.

Write notes on any three of the following, each with two to three important points Gross Primary Productivity

Write notes on any three of the following each with two to three important points: Significance of vegetative propagation

Write notes on any three of the following, each with 2 to 3 important points Linkage

Write notes on any three of the following each write two to three important points. (a) Net primary productivity (b) Morphological adaptations in xerophytes (c ) Layering (d) Pollen-pistil interaction (e ) Tertiary treatment of sewage water ,br> (f) Transcription unit