- 1(current)
Q. No.If there are 250 snails in a pond, and within a year their number increases to 2500 by reproduction. What should be their birth rate per snail per year?
| 1. | 10 | 2. | 9 |
| 3. | 25 | 4. | 15 |
Subtopic: Â Population Characters: Natality & Mortality |
From NCERT
NEET - 2023
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If '8' Drosophila in a laboratory population of '80' died during a week, the death rate in the population is ___________ individuals per Drosophila per week.
1. zero
2. 0.1
3. 10
4. 1.0
1. zero
2. 0.1
3. 10
4. 1.0
Subtopic: Â Population Characters: Natality & Mortality |
 79%
From NCERT
NEET - 2022
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh
The impact of immigration on population density is:
| 1. | Negative |
| 2. | Both positive and negative |
| 3. | Neutralized by natality |
| 4. | Positive |
Subtopic: Â Population Characters: Density |Â Population Characters: Natality & Mortality |
 82%
From NCERT
NEET - 2020
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh
- 1(current)
Q. No.
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