What do you mean by Productivity? 1. Rate of biomass production 2. Amount of biomass production 3. Biomass produced in an area 4. Biomass produced in a time period

 Primary production is expressed in terms of-

Q

1. Grams

2. Grams/year

3. Gram/m2

4. Gram/m2/year


Answer:3. Gram/m2






Q

The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called as-

1. Biomass production

2. Primary production

3. Secondary production

4. Assimilation

Ans:2. Primary production


Q

What do you mean by Productivity?

1. Rate of biomass production

2. Amount of biomass production

3. Biomass produced in an area

4. Biomass produced in a time period


Ans:1. Rate of biomass production