Download App

Organisms and Populations — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations1 Mark
MCQ
If in a population, natality is balanced by mortality then there will be?
  • A
    Decrease in population growth
  • B
    Zero population growth
  • C
    Increase in population growth
  • D
    Over population
✓

Answer

  1. Zero population growth

Explanation:

Natality stands for the number of births in a particular place at a given time.And mortality is the number of deaths that takes place in a particular region at a particular time.If the number of death is equal to the number of births then it is seen that there is no increase in the population of that area.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (0.5 Marks)" from Organisms and Populations→Organisms and Populations — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The phase of menstrual cycle in humans that last for 7 - 8 days is:
→
 Lactic acid bacteria convert milk into curd and improves its nutritional quality by enhancing;
→
An old view about evolution states that the organisms were created by a super organism in the same condition as they exist now. This theory is called as:
→
If there are four cells in a anther, what will be the number of pollen grains?
→
Heterogametic male condition does not occur in?
→
Assertion : Vitamins $B_2$ is found in cereals, green vegetables, brewer's yeast, egg white, milk and liver.

Reason : It can be commercially produced by some yeasts.

→
Matching sequence of $DNA$ between two evidences, one of the criminal with the suspect is known as:
→
Delete the odd one.
→
Choose the cat fish from the following :
→
Extinction of more than $200$ species of cichlid fish in lake Victoria was due to introduction of
→