13. in cities exhaust of automobiles
- Nitrogen
- Lead
- CO
- CO2
Answer:
Lead
14. In radiotherapy cancer is treated by
- X-rays
- Gama-rays
- Short energy suitable rays
- High wavelength radiations
Answer:
Gama-rays
15. H20 is
- Micromolecule
- Macromolecule
- Biological molecule
- Both a & c
Answer:
Micromolecule
16. Which of the following is the characteristic of living thing ?
- have a specific shape
- Have regular shape
- Have organized body
- none of these
Answer:
Have organized body
17. A doctor is studying heart beat. He is studying.
- Morphology
- Histology
- Anatomy
- Physiology
Answer:
Physiology
18. A person says, “Man has formed from monkey”. He talked about
- Fossil
- Evolution
- Taxonomy
- Embryology
Answer:
Evolution
