Which of the following is responsible for the production of oxygen during photosynthesis?
A. Calvin cycle
B. Photolysis of water
C. Cyclic photophosphorylation
D. Reduction of NADP+

Consider the grammar $S \rightarrow aSa \mid bSb \mid a \mid b$. Which one of the following options correctly characterizes the language generated by the given grammar over the alphabet {a,b}
float foo(int n){
if(n <= 2) return 1;
else return (2*foo(n-1) + 3*foo(n-2));
}
If a concentrated load of 50 kN is applied at point C, then what will be the shear developed at point C? 
Photosynthesis in higher plants involves the following processes:
This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process: