Question

Match the following organelles in Group I with the structures in Group II. Choose the correct combination.

Group I	Group II
P. Mitochondrion	i. Cisternae
Q. Golgi	ii. Cristae
R. Chloroplast	iii. Thylakoids
S. Centrosome	iv. Radial spokes

• A. P-ii, Q-i, R-iii, S-iv
• B. P-iii, Q-i, R-ii, S-iv
• C. P-iv, Q-i, R-ii, S-iii
• D. P-iv, Q-ii, R-i, S-iii

Answer 1

Answer: (A)

P-ii, Q-i, R-iii, S-iv

Cristae are sub compartments of the inner membrane of mitochondria and are essential to mitochondrial function. The term cisternae is associated with golgi apparatus. The golgi apparatus consists of a flattened ,stacked like pouches called cisternae. Thylakoids are membrane bound compartments found in the chloroplasts. They contains thylakoid membrane surrounding a thylakoid lumen. Chloroplast thylakoids frequently forms stacks of disks referred to as grana. Radial spoke is a ubiquitous component of '9+2' cilia and flagella and plays an essential role in the control of dynein arm activity by relaying signals from central pair of microtubules to the arms. It is associated withe the centrosomal part.

So, the correct option is (A).