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 :

A. 15

B. 05

C. Zero

D. 10

Answer : Zero

Releted MCQ Question on
Botany >> Organisms and Populations

Releted Question 1

The process of growth is maximum during

A. Lag phase

B. Senescence

C. Dormancy

D. Log phase

Releted Question 2

Which one of these animals is not a homeotherm?

A. Macropus

B. Chelone

C. Psittacula

D. Camelus

Releted Question 3

Presence of plants arranged into well defined vertical layers depending on their height can be seen best in:

A. Tropical Rain Forest

B. Grassland

C. Temperate Forest

D. Tropical Savannah

Releted Question 4

Most animals are tree dwellers in a:

A. Thorn woodland

B. Temperate deciduous forest

C. Tropical rain forest

D. Coniferous forest

Practice More Releted MCQ Question on
Organisms and Populations

Practice More MCQ Question on Biology Section

Zoology Animal Kingdom Structural Organisation in Animals Biomolecules Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration Human Reproduction Reproductive Health Evolution Human Health and Diseases Biotechnology: Principles and Processes Biotechnology and its Applications Zoology Miscellaneous