171. The chief component of the cell wall of the majority of fungi is
(A) pectin
(B) chitin
(C) lignin
(D) cellulose
172. After pollination the pollens are transferred to which part of the flower
(A) ovary
(B) style
(C) stigma
(D) none of these
173. Glyoxisomes contain enzymes for
(A) glyoxylate cycle
(B) glycolate cycle
(C) Calvin cycle
(D) none of these
174. Vacuoles serve to
(A) expand the plant cells
(B) sites for storage
(C) both in expansion and storage
(D) non-specific function
(A) separate into two parts
(B) cannot metabolize
(C) rapidly looses its genome
(D) all of these
176. The predominant phycobilin pigment in cyanobacteria which is of blue colour is
(A) phycoerythrin
(B) phycocyanin
(C) fucocyanin
(D) fucoxanthin
177. Deafness is caused by misuse of
(A) penicillin
(B) tetracycline
(C) paracetamol
(D) streptomycin
178. Cell envelope does not include
(A) capsule
(B) slime layer
(C) cell wall
(D) cell membrane
179. Coenocytes is a fungal body which is
(A) multi-nucleate aseptate
(B) multi-nucleate septate
(C) uni-nucleate septate
(D) uni-nucleate aseptate
180. Bryophytes are
(A) all heterosporous
(B) all homosporous
(C) mostly homosporus
(D) none of these