NEET  >  Biology 31 Years NEET Chapterwise Solved Papers  >  31 Years NEET Previous Year Questions: Organisms & Populations - 3 Download as PDF

31 Years NEET Previous Year Questions: Organisms & Populations - 3


Test Description

25 Questions MCQ Test Biology 31 Years NEET Chapterwise Solved Papers | 31 Years NEET Previous Year Questions: Organisms & Populations - 3

31 Years NEET Previous Year Questions: Organisms & Populations - 3 for NEET 2022 is part of Biology 31 Years NEET Chapterwise Solved Papers preparation. The 31 Years NEET Previous Year Questions: Organisms & Populations - 3 questions and answers have been prepared according to the NEET exam syllabus.The 31 Years NEET Previous Year Questions: Organisms & Populations - 3 MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 below.
Solutions of 31 Years NEET Previous Year Questions: Organisms & Populations - 3 questions in English are available as part of our Biology 31 Years NEET Chapterwise Solved Papers for NEET & 31 Years NEET Previous Year Questions: Organisms & Populations - 3 solutions in Hindi for Biology 31 Years NEET Chapterwise Solved Papers course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt 31 Years NEET Previous Year Questions: Organisms & Populations - 3 | 25 questions in 25 minutes | Mock test for NEET preparation | Free important questions MCQ to study Biology 31 Years NEET Chapterwise Solved Papers for NEET Exam | Download free PDF with solutions
1 Crore+ students have signed up on EduRev. Have you?
31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 1

Plants such as Prosopis, Acacia and Capparis represent examples of tropical

[1998]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 1

Flora of thorn forests include Prosopis cineraria. Acacia senagal, Capparis decidua, Salvadora oleoides, Asparagus racemosus, Ephedra foliata.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 2

The present population of the world is about

[1997]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 2

Human population in world is estimated to have crossed 6 billion in the year 1999.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 3

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

[1997]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 3

Natality refers to the rate at which new individuals are born. Adaptability refers to the capacity of the organisms to adapt themselves to their environment. 

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 4

Keystone species in an ecosystem are those

[1997]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 4

The keystone species in an ecosystem are those who are the main contributors to the ecosystem.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 5

In increasing order of organizational complexity, which one of the following is the correct sequence?

[1997]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 5

Population is an aggregation or grouping of individuals of the same species at the same time in a particular area. Species is a grouping of individuals of one or more populations resembling each other in important morphological, anatomical and biochemical characters and can potentially interbreed. Biotic community is an assemblage of interdependent, and ecosystem is a self sufficient and self  regulating segment of nature comprising of a biotic community and its physical environment, both interacting and exchanging materials. The basic level of ecological organisation starts with the individual, the next more complex levels are populations, species, community and then ecosystem.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 6

The nature of climax community ultimately depends on

[1996]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 6

In ecological succession, climax community is a stable, self  perpetuating biotic community developing towards the end of biotic succession in an area and is in harmony with the climate of the region.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 7

Human population growth in India

[1996]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 7

Human population growth in India can be regulated by following the national programme of  family planning.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 8

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

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 8

In India, there is short life span of individuals and high birth rate as compared to other countries. That is why, the human population is heavily weighed towards the younger age groups.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 9

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

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 9

Thomas R. Malthus put forward a theory of human population growth in 1778. He told that population grows in geometrical progression, whereas the means which support it, grow only in arithmetical progression.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 10

Which of the following pairs is correctly matched?

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 10

The correctly matched pair is streamlined body for aquatic adaptation.
Parasitism-inter specific relationship in which one species (parasite) benefits for growth and reproduction and ollic species (host) harmed. Parasite live on or inside the body of host.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 11

Sunken stomata is the characteristic feature of 

[1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 11

Sunken stomata is the characteristic feature of xerophytes which help in reducing loss of water from leaf surface. These type of stomata are found in Oleander or Pine.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 12

Tropical forests occur in India

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 12

Kerala & Assam. Tropical forests-are highly productive terrestrial ecosystem. Their environment conditions are not climate and wel moisture which causes for their higher productivity.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 13

In a food chain, the largest population is that of

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 13

Producers. Number of individuals decreases at successive trophic levels.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 14

Animals that can tolerate a narrow range of salinity are

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 14

Stenohaline : Steno meaning narrow and haline meaning salt. A fish cannot handle a wide fluctuation in salt content in water. Many fresh water fish tend to be stenohaline and die in environments of high salinity such as the ocean. Fish living in coastal estuaries and tide pools are often euryhaline (tolerant to changes in salinity) as are many species which have life cycle requiring tolerance to both fresh water and sea water environments such as Salmon.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 15

Xeric environment is characterised by  

[1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 15

Xeric environment is characterised by low atmospheric humidity.
Xeric environment is the environment of moisture deficiency. It is found in the desert. It is characterized by the less annual precipitation, low rate of vaporization, low atmospheric humidity and low temperature at night and high during the daytime.
 

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 16

Association of animals when both partners are benefitted

[1993]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 16

Mutualism type of interactions are shown in plant roots in mycorrhizal region.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 17

Soil best suited for plant growth is

[1993]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 17

Loam soil is best suited for plant growth because it possesses good aeration, nutritive salts and good water retaining capacity.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 18

The sum total of the populations of the same kind of organisms constitute

[1993]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 18

A species is a group of individuals of same kind of phenotypic characters and can interbreed easily.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 19

Soil particles determine its

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 19

Soil particles size defines its texture. The mineral particles present in soil, vary enosmously in size the  fire fiagments. (consisting of sand, silt and clay particles) and coarse fiagments (gravel, copples and stones). The relative proportion's of sand, silt and clay in a soil is referred as soil texture. Fine textured soil have more of clay particles.
Water holding capacity-Larger soil particles like sand, gravel have large pores. This have high less holding capacity and higher percolotion rate field capacity is the of soil moisture or water content held in soil after excess water has drained away.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 20

A fertile agricultural soil appears deep coloured at the surface as compared to soil one metre down. The reason for colour of top soil is

[1992]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 20

High organic matter darkens the colour of soil. This is soil.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 21

Which one is true?

[1991]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 21

When the interaction is useful for both the populations.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 22

Deep black soil is productive due to high proportion of

[1991]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 22

Deep black soil has high content of clay and humus, which makes it more fertile and so productive. Humus is amorphous and colloidal mixture of complex organic substances. It provides fertility to the soil.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 23

Homeostasis is

[1991]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 23

Homeostasis is the property of an open system, especially living organisms, to regulate its internal environment to maintain a stable, constant condition, by means of multiple dynamic equilibrium adjustments, controlled by interrelated regulation mechanisms. 

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 24

Competition for light, nutrients and space is most severe between

[1988]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 24

Competition is most severe between the members of a population belonging to same niches.

31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 25

A mutually beneficial association necessary for survival of both partners is

[1988]

Detailed Solution for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 - Question 25

Symbiosis or mutualism is a mutually beneficial association necessary for the survival of both the partners.

Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code
Information about 31 Years NEET Previous Year Questions: Organisms & Populations - 3 Page
In this test you can find the Exam questions for 31 Years NEET Previous Year Questions: Organisms & Populations - 3 solved & explained in the simplest way possible. Besides giving Questions and answers for 31 Years NEET Previous Year Questions: Organisms & Populations - 3, EduRev gives you an ample number of Online tests for practice