A biologist studied the population of rats in a barn

A Biologist Studied The Population Of Rats In A Barn Biology Question

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.

Related Questions:

  1. Surrounding membrane of vacuole is called
  2. Deficiency of it causes loss of appetite mental confusion fatigue and muscle
  3. Which one forms ATP
  4. Which one of the following is an antifungal antibiotic
  5. Most abundant water insoluble polysaccharide of plant cell wall is

Topics: Ecology and Ecosystem (37)
Subject: Biology (4253)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*