Analogy type questions:
$(1)$ For gas exchange in animals : Specialized organs :: In plants : .......
$(2)$ During aerobic respiration in animals : $CO_2$,water,and energy :: During anaerobic respiration : .....

Photosynthesis and respiration are similar because:
$I$. In eukaryotes,both processes occur in specialized organelles.
$II$. $ATP$ synthesis in both is explained by the chemiosmotic theory.
$III$. Both use an $ETC$ (Electron Transport Chain).
Select the correct option.

Write the full forms of the following abbreviations:
$(1)$ $RQ$
$(2)$ $TCA$

In which of the following processes are $36 \,ATP$ molecules produced per hexose molecule?

$A$ student has taken a twig from a plant. She/he observes a droplet of fluid exuding from the cut surface of the twig. What is this fluid?

Given below are two statements.
$Statement-I$: Enzyme pyruvate dehydrogenase complex brings about oxidative decarboxylation of pyruvic acid.
$Statement-II$: Enzyme pyruvate dehydrogenase is not present in cytosol of prokaryotes.
In the light of the above statements, choose the correct answer from the options given below: