NEET / AIPMT / AIIMS / KCET / JIPMER Exams – Biology – Organisms and Populations -Test

Question 1 of 11

1. Question

What is the most important factor for the success of animal population? [1997]

(a) Natality
(b) Unlimited food
(c) Adaptability
(d) Inter-species activity

Question 2 of 11

2. Question

The present population of the world is about [1997]

(a) 500 million
(b) 100 billion
(c) 6 billion
(d) 15 billion

Question 3 of 11

3. Question

Human population growth in India [1996]

(a) Tends to follow a sigmoid curve as in case of many other animal species
(b) Tends to reach a zero population growth as in case of some animal species
(c) Can be reduced by permitting natural calamities and enforci9ng birth control measures
(d) Can be regulated by following the national programme of family planning

Question 4 of 11

4. Question

The concept that population tends to increase geometrically while food supply increases arithmetically was put forward by [1995]

(a) Stuart Mill
(b) Adam Smith
(c) Charles Darwin
(d) Thomas Malthus

Question 5 of 11

5. Question

In India, human population is heavily weighed towards the younger age groups as a result of [1995]

(a) Short life span of many individuals and low birth rate
(b) Long life span of many individuals and low birth rate
(c) Short life span of many individuals and high birth rate
(d) Long life span of many individuals and high birth rate

Question 6 of 11

6. Question

The sum total of the populations of the same kind of organisms constitute [1993]

(a) Colony
(b) Genus
(c) Community
(d) Species

Question 7 of 11

7. Question

Association of animals when both partners are benefitted [1993]

(a) Colony
(b) Mutualism
(c) Commensalism
(d) Amensalism

Question 8 of 11

8. Question

Which one is true? [1991]

(a) Commensalism when none of the interacting populations affect each other
(b) Symbiosis when the interaction is useful to both the populations
(c) Symbiosis when neither populations affects each other
(d) Commensalism when the interaction is useful to both the populations

Question 9 of 11

9. Question

Vivipary is characteristic of [1990]

(a) Mesophytes
(b) Xerophytes
(c) Hygrophytes
(d) Halophytes

Question 10 of 11

10. Question

Competition for light, nutrients and space is most severe between [1988]

(a) Closely related organism growing in different niches
(b) Closely related organisms growing in the same area/ niche
(c) Distantly related organisms growing in the same habitat
(d) Distantly related organisms growing in different niches

Question 11 of 11

11. Question

A mutually beneficial association necessary for survival of both partners is [1988]

(a) Mutualism/symbiosis
(b) Commensalism
(c) Amensalism
(d) Both A and B