Practice MCQs for NEET Biology Organisms and Populations
Access targeted multiple-choice questions for Organisms and Populations designed to align with the latest NEET academic syllabus for NEET Biology. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.
Access Organisms and Populations Questions and Solutions
Access the complete set of multiple-choice questions for Organisms and Populations below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NEET textbooks.
Multiple Choice Questions
(a) A group of organisms of one species occupying a defined area
(b) A group of organisms of different species occupying a defined area
(c) A group of organisms of different species occupying different geographical area
(d) A group of sexually isolated organisms occupying a defined area
Show Answer & Explanation
Answer: (a) A group of organisms of one species occupying a defined area
Explanation:
1. The correct option is (1) A group of organisms of one species occupying a defined area.
2. Population is a group of organisms of one species occupying in a defined area.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: A group of organisms of one species occupying a defined area.
(a) Biome → Populations → Community → Organism
(b) Organism → Biome → Population → Community
(c) Population → Community → Biome → Organism
(d) Organism → Population → Community → Biome
Show Answer & Explanation
Answer: (d) Organism → Population → Community → Biome
Explanation:
1. The correct option is (4) Organism → Population → Community → Biome.
2. Ecological hierarchy Organism → Population → Community → Biome.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Organism → Population → Community → Biome.
(a) H. Reiter
(b) G. S. Puri
(c) R. Deo Mishra
(d) Hutchinson
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Answer: (c) R. Deo Mishra
Explanation:
1. The correct option is (3) R. Deo Mishra.
2. Father of Indian ecology is Ram Deo Mishra.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: R. Deo Mishra.
(a) Interactions between living organisms only
(b) Interactions between members of a single species only
(c) Interactions of organisms among themselves as well as with their surrounding abiotic components
(d) Intraspecific competitions only
Show Answer & Explanation
Answer: (c) Interactions of organisms among themselves as well as with their surrounding abiotic components
Explanation:
1. The correct option is (3) Interactions of organisms among themselves as well as with their surrounding abiotic components.
2. Ecology describes interactions of organisms among themselves as well as with their surrounding abiotic components.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Interactions of organisms among themselves as well as with their surrounding abiotic components.
(a) Can interbreed and produce fertile offsprings
(b) Share a common gene pool
(c) Share or compete for similar resources
(d) More than one option is correct
Show Answer & Explanation
Answer: (d) More than one option is correct
Explanation:
1. The correct option is (4) More than one option is correct.
2. All aspects are concerned with population.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. Check every option separately before choosing a combined answer.
(a) Three
(b) Two
(c) Four
(d) Eight
Show Answer & Explanation
Answer: (c) Four
Explanation:
1. The correct option is (3) Four.
2. Ecology is basically concerned with four basic levels of organisation e.g. Organisms, Population, Community and Biome.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Four.
(a) Two similar ecological niche in same geographical location
(b) Two similar ecological niche in two different geographical locations
(c) Organisms that occupy similar ecological niche in different geographical locations
(d) Organisms that occupy different ecological niche in different geographical locations
Show Answer & Explanation
Answer: (c) Organisms that occupy similar ecological niche in different geographical locations
Explanation:
1. The correct option is (3) Organisms that occupy similar ecological niche in different geographical locations.
2. Organisms that are found in similar ecological niche in different geographical locations are called ecological equivalents. (Organism and Its Environment).
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Organisms that occupy similar ecological niche in different geographical locations.
(a) Temperature only
(b) Temperature and precipitation
(c) Precipitation and wind
(d) Precipitation and atmosphere
Show Answer & Explanation
Answer: (b) Temperature and precipitation
Explanation:
1. The correct option is (2) Temperature and precipitation.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Temperature and precipitation.
(a) Hot desert biome
(b) Cold desert biome
(c) Savanna biome
(d) Chaparral biome
Show Answer & Explanation
Answer: (b) Cold desert biome
Explanation:
1. The correct option is (2) Cold desert biome.
2. Permafrost i.e., sub soil remains frozen throughout year, is feature of cold desert biome.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Cold desert biome.
(a) Topographic factors – Soil texture
(b) Edaphic factors – Soil factors
(c) Climatic factors – Wind, humidity
(d) Physiographic factors – Mountain slope
Show Answer & Explanation
Answer: (a) Topographic factors – Soil texture
Explanation:
1. The correct option is (1) Topographic factors – Soil texture.
2. Topographic factors include physiographic nature e.g. plain, slope of mountain etc. Soil texture – Edaphic factors.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Topographic factors – Soil texture.
(a) Permafrost
(b) Drip tips
(c) Epiphytes
(d) Woody climber
Show Answer & Explanation
Answer: (a) Permafrost
Explanation:
1. The correct option is (1) Permafrost.
2. Permafrost – Tundra Drip tips, woody climbers and epiphytes – Tropical rain forest.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Permafrost.
(a) Fungi
(b) Protists
(c) Archaebacteria
(d) Actinomycetes
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Answer: (c) Archaebacteria
Explanation:
1. The correct option is (3) Archaebacteria.
2. Archaebacteria due to cell wall and cell membrane composition.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Archaebacteria.
(a) Precipitation
(b) Temperature
(c) Soil
(d) Wind
Show Answer & Explanation
Answer: (b) Temperature
Explanation:
1. The correct option is (2) Temperature.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Temperature.
(a) Predators and pathogens
(b) Abiotic and biotic factors
(c) Climatic and edaphic factors
(d) Topographic, climatic and edaphic factors
Show Answer & Explanation
Answer: (b) Abiotic and biotic factors
Explanation:
1. The correct option is (2) Abiotic and biotic factors.
2. A habitat = Abiotic + biotic factors.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Abiotic and biotic factors.
(a) High temperature, low precipitation and deciduous forest
(b) Low temperature, snowfall, scanty or no vegetation
(c) Moderate rainfall, high temperature, no vegetation
(d) High humidity, high rainfall, low temperature
Show Answer & Explanation
Answer: (b) Low temperature, snowfall, scanty or no vegetation
Explanation:
1. The correct option is (2) Low temperature, snowfall, scanty or no vegetation.
2. At polar region and at high altitudes – Low temperature, snowfall, scanty or no vegetation.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Low temperature, snowfall, scanty or no vegetation.
(a) In land water = >5
(b) Sea water = 60–65
(c) Hyper saline logoons = >100
(d) Fresh water = >3
Show Answer & Explanation
Answer: (c) Hyper saline logoons = >100
Explanation:
1. The correct option is (3) Hyper saline logoons = >100.
2. Salinity in part per thousand Land water = 5 Sea = 30 – 35 Hyper saline lagoon = > 100.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Hyper saline logoons = >100.
(a) a(i), b(ii), c(iii)
(b) a(i), b(iii), c(ii)
(c) a(ii), b(iii), c(i)
(d) a(iii), b(i), c(ii)
Show Answer & Explanation
Answer: (c) a(ii), b(iii), c(i)
Explanation:
1. The correct option is (3) a(ii), b(iii), c(i).
2. Water – Alluvial Air – Eolian Gravity – Colluvial.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. Check every option separately before choosing a combined answer.
(a) Soil, temperature
(b) Light, water
(c) Water, temperature
(d) Soil, Light
Show Answer & Explanation
Answer: (c) Water, temperature
Explanation:
1. The correct option is (3) Water, temperature.
2. Water and temperature.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Water, temperature.
(a) Higher surface to volume ratio
(b) Lower surface to volume ratio
(c) Equal values of surface and volume
(d) Very low BMR (basal metabolic rate)
Show Answer & Explanation
Answer: (a) Higher surface to volume ratio
Explanation:
1. The correct option is (1) Higher surface to volume ratio.
2. Because of higher surface area to volume ratio.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. The point to remember: Higher surface to volume ratio.
(a) a(i), b(ii), c(iii)
(b) a(i), b(iii), c(ii)
(c) a(ii), b(i), c(iii)
(d) a(iii), b(i), c(ii)
Show Answer & Explanation
Answer: (c) a(ii), b(i), c(iii)
Explanation:
1. The correct option is (3) a(ii), b(i), c(iii).
2. Aestivation – Over summer Hibernation – Over wintering Diapause – Suspended development in zooplanktons.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. Check every option separately before choosing a combined answer.
(a) Desert plants
(b) Hydrophytes
(c) Xerophytes
(d) More than one option is correct
Show Answer & Explanation
Answer: (d) More than one option is correct
Explanation:
1. The correct option is (4) More than one option is correct.
2. Features are related with xerophytic and desert plants.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. Check every option separately before choosing a combined answer.
(a) Jordan’s rule
(b) Allen’s rule
(c) Rensch’s rule
(d) Bergman’s rule
Show Answer & Explanation
Answer: (b) Allen’s rule
Explanation:
1. The correct option is (2) Allen’s rule.
2. Allen's rule.
Teacher's Note:
1. Link this question to the matching NCERT topic and revise it.
2. Check every option separately before choosing a combined answer.
Practice MCQs for NEET Biology Organisms and Populations
NEET Biology Organisms and Populations Objective Test Questions
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FAQs
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