Population MCQ Class 9. We covered all the Population MCQ Class 9 in this post for free so that you can practice well for the exam.
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Population MCQ Class 9 for Students
According to the Census 2011, the percentage of India’s population to the world population is
A) 16
B) 16.5
C) 17.5
D) 18
Option c – 17.5
India is at which of the following stages of Demographic Transition?
A) Population level stabilizes with the number of births and deaths being low and equal
B) Birth rates and death rates are both low
C) Reduction in birth rate but the reduction in death rate is higher than the reduction in birth rate
D) Reduction in mortality rate while birth rate continues to be high
Option c – Reduction in birth rate but the reduction in death rate is higher than the reduction in birth rate
At present, the National Commission on Population is under
A) Planning Commission
B) Ministry of Human Resource Development
C) Cabinet Secretariat
D) Ministry of Health
Option d – Ministry of Health
Critical minimum effort theory was designed by which of the following given economists?
A) H. Leibenstein
B) Rosentein Rodan
C) W.W. Rostow
D) None of the above
Option a – H. Leibenstein
What is the density of the population at the National level in India according to the 2011 Census?
A) 326 persons per sq. kilometer
B) 367 persons per sq. kilometer
C) 382 persons per sq. kilometer
D) 398 persons per sq. kilometer
Option c – 382 persons per sq. kilometer
Under the National Population Policy 2000, the goal to attain population stagnation has been raised from 2045 to:
A) 2055
B) 2060
C) 2065
D) 2070
Option d – 2070
As per Census 2011, the Total Fertility Rate of India is:
A) 3.2
B) 2.9
C) 2.6
D) 2.4
Option d – 2.4
The size of marginal land-holding in India is:
A) more than 5 hectares
B) 2 hectares to 4 hectares
C) 1 hectare to 2 hectares
D) less than 1 hectare
Option d – less than 1 hectare
Find the correct poverty estimates for the given states in 2011-12, as per the Planning Commission.
A) Arunachal Pradesh 34.7%, 33.7%, 36.9%, 34.7%
B) Bihar 39.9%, 36.9%, 39.9%, 33.7%
C) Chhattisgarh 36.9%, 34.7%, 33.7%, 33.9%
D) Manipur 33.7%, 39.9%, 34.4%, 36.9%
Option d – Manipur 33.7%, 39.9%, 34.4%, 36.9%
Which of the following fixes the poverty line in India?
A) Central Council of Ministers
B) Lok Sabha
C) Rajya Sabha
D) Planning Commission (Niti Aayog)
Option d – Planning Commission (Niti Aayog)
Which of the following Committees was set up in India for the identification of BPL families in Urban Areas?
A) Tendulkar Committee
B) Saxena Committee
C) Lakdawala Committee
D) Hashim Committee
Option d – Hashim Committee
Assertion (A): India has experienced phenomenal growth in population since 1951. Reason (R): 1951 is called the demographic divide in India’s demographic history. Choose the correct answer from the codes given below.
A) Both (A) and (R) are true, and (R) is the correct explanation of (A)
B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C) (A) is true, but (R) is false
D) (A) is false, but (R) is true
Option c – (A) is true, but (R) is false
India is regarded as a country with a ‘Demographic Dividend’. This is due to
A) its high population in the age group below 15 years
B) its high population in the age group of 15-64 years
C) its high population in the age group above 65 years
D) its high total population
Option b – its high population in the age group of 15-64 years
To obtain the full benefits of demographic dividend, what should India do?
A) Promoting skill development
B) Introducing more social security schemes
C) Reducing infant mortality rate
D) Privatization of higher education
Option a – Promoting skill development
When population experts refer to the possible ‘Demographic Bonus’ that may accrue to India around 2016, they are referring to the phenomenon of
A) a surge in population in the productive age group
B) a sharp drop in the total population
C) a decline in birth and death rates
D) a well-balanced sex ratio
Option a – a surge in population in the productive age group
According to Census 2011, the state has the highest density of population is
A) Bihar
B) Kerala
C) Uttar Pradesh
D) West Bengal
Option a – Bihar
According to Census 2011, which of the following states of India has the lowest percentage of urban population to its total population?
A) Himachal Pradesh
B) Odisha
C) Jharkhand
D) Rajasthan
Option a – Himachal Pradesh
According to Census 2011, the most urbanized state in India is
A) Kerala
B) Maharashtra
C) Goa
D) Nagaland
Option c – Goa
The census projection report shows that India is one of the youngest nations in the world. In the year 2020, the average age of Indians will be
A) 27 years
B) 28 years
C) 29 years
D) 30 years
Option c – 29 years
Consider the following statements. 1. Infant Mortality Rate takes into account the death of infants within a month after birth. 2. Infant Mortality Rate is the number of infant deaths in a particular year per 100 live births during that year. Which of the statement(s) given above is/are correct?
A) Only 1
B) Only 2
C) Both 1 and 2
D) Neither 1 nor 2
Option d – Neither 1 nor 2
Frogs are cryptically colored so as to
(A) reject or reset parasites
(B) avoid being detected easily by the predator
(C) attract females for mating purposes
(D) promote pollination
Option b – avoid being detected easily by the predator
(A) one organism benefits and the other is harmed
(B) both organisms are harmed
(C) the interacting species live closely together
(D) the interacting species live in different geographical regions
Option c – the interacting species live closely together
Which of the following is true for Allen’s rule?
(A) Mammals from colder climates generally have longer ears and limbs for insulation.
(B) Mammals in colder climates generally have a low basal metabolic rate.
(C) Mammals in warmer climates generally have a high basal metabolic rate.
(D) Mammals from colder climates generally have shorter ears and limbs to minimize heat loss.
Option d – Mammals from colder climates generally have shorter ears and limbs to minimize heat loss.
The salinity of inland waters is
(A) less than 5 parts per thousand
(B) 30-35 parts per thousand
(C) 100 parts per thousand
(D) 500 parts per thousand
Option a – less than 5 parts per thousand
Which of the following adaptation is shown by Opuntia to minimize water loss through transpiration?
(A) Leaves are reduced to spines.
(B) Flattened stems take over the function of photosynthesis.
(C) The plant enters a stage of dormancy.
(D) both (A) and (B)
Option d – both (A) and (B)
Resource partitioning is a mechanism by which.
(A) two species compete for resources even if the resources are abundant
(B) two species competing for the same set of resources, instead of competing cooperate with each other for existence.
(C) distribution of a species is restricted in the presence of superior competent species in that area.
(D) related species competing for the same resources cannot co-exist and will eliminate the inferior species eventually.
Option b – two species competing for the same set of resources, instead of competing cooperate with each other for existence.
The interaction between sea anemones and clownfish is an example
(A) parasitism
(B) commensalism
(C) amensalism
(D) mutualism
Option b – commensalism
Which of the following exhibit ectoparasitism?
(A) Marine fishes and copepods
(B) Liverfluke and fish
(C) Ascaris and humans
(D) Plasmodium and Anopheles mosquito
Option a – Marine fishes and copepods
The interaction between …….. does NOT represent mutualism.
(A) Fungi and roots of higher plants
(B) Fungi and photosynthesizing algae
(C) Fig plant and the wasp
(D) Cuscuta and hedge plants
Option d – Cuscuta and hedge plants
MacArthur showed that organisms avoid competition and co-exist by using the example of
(A) closely related species of starfishes
(B) closely related species of tortoises
(C) closely related species of finches
(D) closely related species of warblers
Option d – closely related species of warblers
Which of the following is NOT a mechanism developed to minimize the effect of predation?
(A) Production of poisonous chemicals like cardiac glycosides
(B) Camouflaging by frogs
(C) Blubber in seal
(D) Distastefulness of the Monarch butterfly
Option c – Blubber in seal
Statement I: Heat loss or heat gain is a function of surface area. Statement II: Small animals have a larger surface area relative to their volume, so they have to expend much energy to generate body heat through metabolism when it is cold outside.
(A) Statement I is correct, and statement II is incorrect.
(B) Statement I is incorrect, and statement II is correct.
(C) Both statements I and II are correct.
(D) Both statements I and II are incorrect
Option c – Both statements I and II are correct.
Which of the following depicts inter-specific competition?
(A) Interaction between two cows
(B) Interaction between a lion and deer
(C) Interaction between a deer and cow
(D) Interaction between cactus and moth
Option c – Interaction between a deer and cow
Assertion: Seals have blubber below their skin. Reason: Blubber in seals aid in swimming.
(A) Both assertion and reason are true and the reason is the correct explanation of the assertion.
(B) Both assertion and reason are true and the reason is not the correct explanation of the assertion.
(C) The assertion is true but the reason is false.
(D) Both assertion and reason are false.
Option c – The assertion is true but the reason is false.
Read the given examples of animal interactions: i. Cuckoo and crow ii. Humans and Liverfluke iii. Mosquito and Plasmodium iv. Cuscuta and hedge plants. The above associations indicate which of the following interaction?
(A) Commensalism
(B) Predation
(C) Amensalism
(D) Parasitism
Option d – Parasitism
Read the given statements and select the correct option. Statement I: Nearly 25% of all insects are known to be phytophagous. Statement II: Cattle or goats browsing on Calotropis plants show enhanced milk production.
(A) Statement I is correct, while statement II is incorrect
(B) Statement I is incorrect, while statement II is correct
(C) Both statement I and statement II are correct
(D) Both statement I and statement II are incorrect
Option a – Statement I is correct, while statement II is incorrect
Read the following statements (i-iv) and identify the incorrect statements i. Mammals are considered highly successful animals due to their ability to maintain a constant body temperature. ii. Keoladeo National Park in Rajasthan hosts thousands of migratory birds in winter coming from Siberia. iii. All plants and animals are regulators. iv. Conformers can regulate their body temperature in spite of the changes in the external environment.
(A) (i) and (ii)
(B) (ii) and (iii)
(C) (iii) and (iv)
(D) (i) and (iv)
Option c – (iii) and (iv)
…….. represents the relationship between fungi and roots of higher plants.
(A) Calotropis
(B) Lichen
(C) Mycorrhiza
(D) Rauwolfia
Option c – Mycorrhiza
Which of the following is the reason for the extinction of the Abingdon tortoise in the Galapagos island on the introduction of goats on the island?
(A) Goats had a lower intrinsic rate of natural increase.
(B) Goats had a greater browsing efficiency.
(C) Both had an equal intrinsic rate of natural increase.
(D) Abingdon tortoise had a higher intrinsic rate of natural increase.
Option b – Goats had a greater browsing efficiency.
Bears avoid the stress in winter by undergoing ( Organisms and Population Class 12 NEET Questions )
(A) hibernation
(B) aestivation
(C) diapause
(D) migration
Option a – hibernation
Cuscuta is a
(A) parasitic plant
(B) hedge plant
(C) weed growing in an abandoned field
(D) phytophagous plant
Option a – parasitic plant
Kangaroo rats can survive the heat in North American deserts because it
(A) has a thick layer of blubber below its skin
(B) brings about the oxidation of stored fat to produce water as a byproduct
(C) can concentrate its urine to reduce water loss
(D) Both (B) and (C)
Option d – Both (B) and (C)
Tiger census in national parks and sanctuaries is based on the parameters like
(A) Faecal pellets only
(B) Pug marks and faecal pellets
(C) Pug marks only
(D) Headcounts
Option b – Pug marks and faecal pellets
If the + sign is assigned to beneficial interaction, the – sign to detrimental, and the ‘0’ sign to neutral interaction, then the population interaction represented by ‘-‘ and ‘0’ refers to
(A) mutualism
(B) parasitism
(C) amensalism
(D) commensalism
Option c – amensalism
Select the INCORRECT match with respect to the outcome of the interactions.
(A) Competition – Both species suffer
(B) Commensalism One is harmed, other is affected
(C) Mutualism Both species benefited
(D) Parasitism – One species is benefitted and the other is affected
Option b – Commensalism One is harmed, other is affected
Natality refers to
(A) the number of births during a given period in the population.
(B) number of deaths during a given period in the population.
(C) a number of individuals of the population that left the habitat from elsewhere.
(D) a number of individuals of the same species that enter the habitat from elsewhere.
Option a – the number of births during a given period in the population.
Which of the following represents the highest level of biological organization?
(A) Tissue
(B) Populations
(C) Biome
(D) Community
Option c – Biome
Complete the analogy with respect to population interactions. Barnacles : Whale:: Clownfish: ……….
(A) Abingdon tortoise
(B) Cuscuta
(C) Copepods
(D) Sea anemone
Option d – Sea anemone
Which amongst the following is NOT a parasitic adaptation?
(A) Presence of adhesive suckers
(B) Well-developed digestive system
(C) High reproductive capacity
(D) Loss of unnecessary sense organs
Option b – Well-developed digestive system
Identify the CORRECT sequence of phases occurring in logistic growth.
(A) Lag, acceleration, deceleration, asymptote
(B) Acceleration, deceleration, asymptote, lag
(C) Lag, asymptote, log, deceleration
(D) Acceleration, lag, asymptote, deceleration
Option a – Lag, acceleration, deceleration, asymptote
Gause’s ‘Competitive Exclusion Principle states that
(A) predators are the conduits for energy transfer
(B) two unrelated species do not compete with each other
(C) two closely related species competing for the same resources cannot co-exist indefinitely.
(D) two species competing for the same resource avoid competition by evolving mechanisms.
Option c – two closely related species competing for the same resources cannot co-exist indefinitely.
Assertion: Desert lizards bask in the sun and absorb heat when their body temperature drops the comfort zone, they move in the shade below when the ambient temperature starts increasing. Reason: Desert lizards possess the physiological ability to deal with the high temperatures of their habitat.
(A) Both assertion and reason are true and the reason is the correct explanation of the assertion.
(B) Both assertion and reason are true and the reason is not the correct explanation of the assertion.
(C) The assertion is true but the reason is false.
(D) Both assertion and reason are false.
Option c – The assertion is true but the reason is false.
Identify the INCORRECT statement.
(A) Endoparasites live inside the host body at different sites.
(B) Lice and humans, ticks, and dogs are examples of ectoparasitism.
(C) In brood parasitism, the parasitic bird lays its eggs in the nest of its host.
(D) Female Anopheles mosquito is a malarial parasite.
Option d – Female Anopheles mosquito is a malarial parasite
This interaction explains brood parasitism :
(A) Suspended development in zooplanktons
(B) Association between fungi and algae in lichen
(C) Koel laying eggs in the nest of a crow
(D) Cuscuta growing on hedge plants
Option c – Koel laying eggs in the nest of a crow
Which of the following correctly describes Niche?
(A) Factors affecting the behavior of an organism in its habitat.
(B) The functional role played by the organism where it lives.
(C) All the physical factors in the organism’s environment.
(D) The physical space where an organism lives.
Option b – The functional role played by the organism where it lives.
…….. is the initial phase of logistic growth.
(A) Lag phase
(B) Acceleration phase
(C) Deceleration phase
(D) Asymptote
Option a – Lag phase
What will happen if natality is balanced by mortality?
(A) There will be a decrease in population growth.
(B) There will be overpopulation.
(C) There will be an increase in population growth.
(D) There will be zero population growth.
Option d – There will be zero population growth.
Assertion: Shrews and hummingbirds are rarely found in the polar regions. Reason: These animals have a larger surface area relative to their volume and tend to lose body heat very fast when it is cold outside.
(A) Both assertion and reason are true and the reason is the correct explanation of assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of assertion.
(C) The assertion is true but the reason is false
(D) Both assertion and reason are false.
Option b – Both assertion and reason are true and the reason is the correct explanation of assertion.
Organisms that can tolerate a narrow range of salinity are known as
(A) eurythermal
(B) stenohaline
(C) euryhaline
(D) stenothermal
Option b – stenohaline
Which of the following indicates population increase in a given area?
(A) If (B+I) > (D+E)
(B) If (D+E)> (B+E)
(C) If (B+E) > (D+I)
(D) If (D+I)> (B+E)
Option a – If (B+I) > (D+E)
In which type of interaction one species is harmed whereas the other remains unaffected?
(A) Amensalism
(B) Mutualism
(C) Parasitism
(D) Predation
Option a – Amensalism
The age pyramid with a narrow base indicates
(A) a high percentage of post-reproductive individuals
(B) the low percentage of pre-reproductive individuals
(C) an expanding population
(D) stable population
Option b – the low percentage of pre-reproductive individuals
The Mediterranean orchid Ophrys employs sexual deceit to ensure its pollination by
(A) lemurs
(B) amphibians
(C) bees
(D) birds
Option c – bees
The population of fruitflies in a laboratory is 70 and 8 of them died during a week. Calculate the death rate of drosophila.
(A) 10 individuals/fruitfly/week
(B) 0.1 individuals/fruitfly/week
(C) 100 individuals/fruitfly/week
(D) 1.03 individuals/fruitfly/week
Option b – 0.1 individuals/fruitfly/week
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