Respiration in Plants (Biology) Question Bank - Engineer & Medical

Q1.

Match the enzymes in Column I with the cellular compartments in Column II.
$\begin{array}{|l|l|l|l|}\hline & \text{Column I} & & \text{Column II} \\ \hline P & \begin{array}{l} \text{Succinate} \\ \text{dehydrogenase} \end{array} & i & \text{Cytoplasm} \\ \hline Q & \begin{array}{l} \text{Pyruvate} \\ \text{dehydrogenase} \end{array} & ii & \text{Inner mitochondrial membrane} \\ \hline R & \begin{array}{l} \text{Lactate} \\ \text{dehydrogenase} \end{array} & iii & \text{Mitochondrial matrix} \\ \hline S & \text{ATP synthase} & iv & \text{Thylakoid membrane} \\ \hline & & v & \text{Inner chloroplast membrane} \\ \hline \end{array}$
Which of the following combinations is correct?

(A)

$\mathrm{P}-(\mathrm{iv}) ; \mathrm{Q}-(\mathrm{i}) ; \mathrm{R}-(\mathrm{iii}) ; \mathrm{S}-(\mathrm{ii})$

(B)

P - (iii) ; Q - (ii); R - (i) ; S - (v)

(C)

P - (iii); Q - (i); R - (iv); S - (ii)

(D)

$\mathrm{P}-(\mathrm{ii}) ; \mathrm{Q}-(\mathrm{iii}) ; \mathrm{R}-(\mathrm{i}) ; \mathrm{S}-(\mathrm{iv})$

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Q2.

Which of the following figures CORRECTLY represents the chemiosmotic hypothesis of ATP synthesis occuring in a mitochondrion in a cell? (Keys for the figure; IMS: Intermembrane space, IMM: Inner mitochondrial membrane, MM: Mitochondrial matrix, ETC: Electron transport chain)

(A)

(B)

(C)

(D)

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