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  • 1(current)
Q. No.

Unlike a population, an individual has:

1. Birth and death 2. Birth rate
3. Death rate 4. Sex ratio

Subtopic:  Population Attributes |
 91%
Level 1: 80%+
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If N is the population density at time t, then its density at time t +1 is [B is births; I is immigration;
D is deaths; E is emigration]:
1. Nt+1 = Nt + [(B + I) – (D + E)]
2. Nt+1 = Nt + [(B + I) + (D + E)]
3. Nt+1 = Nt + [(B + I) (D + E)]
4. Nt+1 = Nt + [(B + I) / (D + E)]
Subtopic:  Population Attributes |
 96%
Level 1: 80%+
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The tiger census in our national parks and tiger reserves is often based on:
1. Pug marks
2. Cub count
3. Area allocation
4. Collar position
Subtopic:  Population Attributes |
 94%
Level 1: 80%+
Hints
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If 4 individuals in a laboratory population of 40 fruitflies are added through reproduction during a week, the death rate in the population during that period is:
1. 4 individuals per fruitfly per week.
2. 0.4 individuals per fruitfly per week.
3. 40 individuals per fruitfly per week.
4. 0.1 individuals per fruitfly per week.
Subtopic:  Population Attributes |
 84%
Level 1: 80%+
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For the purpose of ecological studies, the term population is applicable to individuals reproducing:

1.Asexually2.Sexually
3.Both 1 and 24.Neither 1 nor 2

Subtopic:  Population Attributes |
 78%
Level 2: 60%+
Hints
What parameters are used for the tiger census in our country’s national parks and sanctuaries?
1. Pug marks only
2. Pugmarks and fecal pellets
3. Faecal pellets only
4. Actual headcounts
Subtopic:  Population Attributes |
 90%
Level 1: 80%+
Hints
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