1. Multiplication phase
2. Growth phase
3. Maturation phase
4. All the above
All the above
1. Endangered
2. vulnerable
3. rare
4. None of the above
Endangered
1. Top part
2. Middle piece
3. Behind the nucleus
4. None of the above
Top part
1. hinders higher rate of photosynthesis
2. has been responsible for increasing the average global temperature in recent past
3. helps in checking the ultraviolet rays to reach earth
4. is advantageous since it supplies oxygen for people travelling in jets
helps in checking the ultraviolet rays to reach earth
1. endangered species
2. vulnerable species
3. rare species
4. All of the above
All of the above
1. tropical zone
2. cold temperate region
3. polar region
4. equatorial region
tropical zone
1. Separating the pollutants from harmless gases
2. Converting the pollutants to innocuous products before their release in the air
3. Both of them
4. None of the above
Both of them
1. 17
2. 18
3. 19
4. 20
17
1. Gulf of Mannar
2. Gulf of Cambay
3. Bay of Bengal
4. All of the above
Gulf of Mannar
1. Anaerobiosis
2. Aerobiosis
3. Biological magnification
4. Psammophytes
Anaerobiosis