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A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is :
Options
(a) 15
(b) 5
(c) zero
(d) 10
Correct Answer:
zero
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ecology and Ecosystem
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Subject: Biology
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following technique other than microscopy is used for the study of cell
- A total root parasite is
- Which of the following plants have not changed for several thousands of years?
- A childless couple can be assisted to have a child through a technique called GIFT.
- Select the incorrect statement about health from the following:
Topics: Ecology and Ecosystem (37)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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