Biology
Why should we conserve forests and wildlife?
- To maintain balance
- To protect biodiversity
- To continue food chain
- All of the above
Related Questions
Harish was fond of eating dryfruits. He put some raisins in the water for 5-6 hours. After few hours, the raisins were all swelled up. This was due to
- endosmosis
- exosmosis
- osmoregulation
- no osmosis
Acid rain is caused by a
- SO2, SO3
- SO2, CO
- CO, NH3
- SO2, NO2
Which of these is not a vestigial organ in human beings?
- Appendix
- Wisdom tooth
- Gall bladder
- Nictitating membrane
Blood flows in arteries in spurts and is under pressure. Which of the following reasons support this statement?
P. Arteries transport blood from left ventricles.
Q. Blood in left ventricle is at a high pressure.
R. Arteries have valves.
- Only P
- Only Q
- Only P and Q
- Only P and R