43. Number of bioelements are:
- 12
- 14
- 16
- 18
Answer:
16
44. How many Bioelement form 93% of living organisms:
- 1
- 3
- 6
- 9
Answer:
3
45. How many Bioelement form 99% of living organisms:
- 1
- 3
- 6
- 9
Answer:
6
46. O,C, N & Hydrogen are——– % of living organisms:
- 92%
- 94%
- 96%
- 98%
Answer:
96%
47. A branch of science that is a way of understanding the nature is :
- Biochemistry
- Organic chemistry
- Biology
- Zoogeography
Answer:
Biology
48. One who deals with living part of the world and non- living things which affect the living things is a
- Ethologist
- Embryologist
- Biologist
- Bio-technologists
Answer:
Biologist
