MCQ
Cell wall of plant cells is chiefly composed of:
- AHemicellulose.
- BCelluolse.
- CPhospholipids.
- DProteins.
Explanation:
The cell wall is mainly composed of cellulose. Cellulose is a complex substance which provides mechanical and structural strength to cell.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
In the Pila, the gastropod mollusk, the organ of the locomotion is:
| S.No | Column I | | Column II |
| a | 9.033 × 1024 atoms | i | 46g of He |
| b | 2 moles of Na | ii | 15 moles |
| c | 11.2 L of O2, at STP | iii | 3.011 × 1023 molecules |
| d | 22g of CO2 | iv | 16g |