Question

Consider following statements regarding microspheres.

(i) They were spherical in shape and $1 - 2 \mu \mathrm {~m}$in diameter.

(ii) They had concentric double-layered boundaries.

(iii) They provided partial isolation to contents inside it, from external environment.

(iv) They had catalytic activity.

Which of the above statements are incorrect?

• A. (i) only
• B. (ii) only
• C. (iv) only
• D. None of the above.

Answer 1

Answer: (D)

None of the above.