Non biological nitrogen fixation is
Non biological nitrogen fixation is
- A
Electrochemical
- B
Photochemical
- C
Both $(a)$ and $ (b)$
- D
None of these
Similar Questions
Definitions / Explanation :
$(i)$ Sere
$(ii)$ Standing state
Definitions / Explanation :
$(i)$ Sere
$(ii)$ Standing state
Consider the following statements about carbon cycle and choose how many statements are correct?
$(a)$ Atmosphere has $71\;\%$ of total global carbon
$(b)$ Decomposers contribute substantially to $CO_2$ pool by their processing of waste materials and dead organic matter of land or oceans
$(c)$ $4 × 10^{13}\; kg$ carbon is fixed through photo-synthesis annually
$(d)$ No respiratory input into atmosphere
$(e)$ Carbon constitutes $ 49\;\%$ of dry wt. of organisms
Consider the following statements about carbon cycle and choose how many statements are correct?
$(a)$ Atmosphere has $71\;\%$ of total global carbon
$(b)$ Decomposers contribute substantially to $CO_2$ pool by their processing of waste materials and dead organic matter of land or oceans
$(c)$ $4 × 10^{13}\; kg$ carbon is fixed through photo-synthesis annually
$(d)$ No respiratory input into atmosphere
$(e)$ Carbon constitutes $ 49\;\%$ of dry wt. of organisms
Amount of nitrogen fixed electrochemically and photochemically is
Amount of nitrogen fixed electrochemically and photochemically is
In India, tropical evergreen forests occur in
In India, tropical evergreen forests occur in
Choose odd one out w.r.t. gaseous cycle.
Choose odd one out w.r.t. gaseous cycle.