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 
Subtopic:  Population Attributes |
 80%
Level 1: 80%+
NEET - 2022
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Which of the following is not an attribute of a population?

1.  Natality

2.  Mortality

3.  Species interaction

4.  Sex ratio

Subtopic:  Population Attributes |
 84%
Level 1: 80%+
NEET - 2020
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