Species and Population MCQ (Multiple Choice Questions and Answers)
Question 1: Population means
(A) All the animals of a place
(B) All the animals and plants found in an area
(C) Human beings living in an area
(D) Animals/plants of a species living in a specific area
Answer: (D)
Question 2: Species ecology is
(A) Autecology
(B) Synecology
(C) Community ecology
(D) Paleoecology
Answer: (A)
Question 3: Population whose members reproduce asexually is
(A) Panmictic
(B) Species
(C) Amphimictic
(D) Apomictic
Answer: (D)
Question 4: Population whose members reproduce asexually is
(A) Panmictic
(B) Apomictic
(C) Amphimictic
(D) Species
Answer: (C)
Question 5: Ecotype is
(A) Genetically different but phenotypically similar
(B) Genetically similar but ecologically different individuals
(C) Genetically adapted ecological race
(D) Genetically and phenotypically dissimilar members of different species ecologically adapted to an area
Answer: (C)
Question 6: Family herd and tribe are units
(A) Higher in rank than a population
(B) Higher in rank than a species
(C) Intermediate between a local population and species
(D) Subordinate in rank to local population
Answer: (D)
Question 7: Average height of a Watusi tribesman is
(A) 1.4 m
(B) 2.2 m
(C) 1.2 m
(D) 1.6 m
Answer: (B)
Question 8: Liger is
(A) Natural hybrid between lion and tigress
(B) Natural hybrid between tiger and lioness
(C) Fertile hybrid between captive lion and tigress
(D) Fertile hybrid between captive tiger and lioness
Answer: (C)
Question 9: The factors involved in formation of new species are
(A) Competition and variations
(B) Isolation and competition
(C) Competition and mutations
(D) Isolation and mutations
Answer: (D)
Question 10: An animal leading a solitary life is
(A) Deer
(B) Seal
(C) Fox
(D) Hamster
Answer: (D)
Question 11: An animal which lives in flocks is
(A) Deer
(B) Monkey
(C) Elephant
(D) Parrot
Answer: (D)
Question 12: Animal found in herds is
(A) Deer
(B) Swan
(C) Parrot
(D) Monkey
Answer: (A)
Question 13: A monogamous animal is
(A) Seal
(B) Deer
(C) Swan
(D) Hamster
Answer: (C)
Question 14: A polygamous animal is
(A) Rat
(B) Deer
(C) Fox
(D) Wolf
Answer: (B)
Question 15: The occurrence of two forms of individuals in the same species is known as
(A) Differentiation
(B) Dimorphism
(C) Monoecious
(D) Polymorphism
Answer: (B)
Question 16: Physalia shows
(A) Polymorphism
(B) Dimorphism
(C) Trimorphism
(D) Metamerism
Answer: (A)
Question 17: Family formation is common feature in
(A) All animals
(B) Majority of animals
(C) Almost all animals
(D) A few animals
Answer: (D)
Question 18: Rats have
(A) Monogamy
(B) Polygamy
(C) Polyandry
(D) No fixed partners
Answer: (D)
Question 19: Presence of different types of flowers in male and female Mulberry/Palm/Papaya is
(A) Dichogamy
(B) Dimorphism
(C) Bisexuality
(D) Monoecious nature
Answer: (B)
Question 20: The dominant individual/leader of the herd is
(A) Always a male
(B) Always a female
(C) Generally a male
(D) Generally a female
Answer: (C)
Question 21: Altruistic behavior occurs in
(A) Spotted Deer
(B) Termite
(C) Honey Bee
(D) All the above
Answer: (D)
Question 22: Cooperative interaction is essential for perpetuation of
(A) Microorganisms
(B) Plants
(C) Animals
(D) Both B and C
Answer: (D)
Question 23: On being attacked by predator, the cheetals surround a stag with best antlers for its protection. It is
(A) Dominance-subordination
(B) Altruism
(C) Competitive interaction
(D) Group formation
Answer: (B)
Question 24: Emigration influences population of
(A) Land plants
(B) Land and aquatic plants
(C) Animals
(D) Animals and plants
Answer: (C)
Question 25: In terrestrial organisms, population density is expressed in space units
(A) Cubic metre
(B) Cubic centimetre
(C) Metre
(D) Square metre
Answer: (D)
Question 26: In acquatic organisms, population density is expressed in space units
(A) Cubic metre/ cubic centimetre
(B) Metre
(C) Kilometre
(D) Square metre/square centimetre
Answer: (A)
Question 27: The factor which does not determine the population size is
(A) Mortality
(B) Emigration
(C) Migration
(D) Immigration
Answer: (C)
Question 28: Migration is
(A) Outward movement of individuals
(B) Inward movement of individuals
(C) Two-way departure and return of all the individuals
(D) Starvation based mortality
Answer: (C)
Question 29: Population size in an area tends to increase on account of
(A) Emigration
(B) Mortality
(C) Migration
(D) Natality
Answer: (D)
Question 30: Insect society is product of
(A) Instinctive behaviour
(B) Biological evolution
(C) Learnt behaviour
(D) Both A and B
Answer: (D)
Question 31: Human society is product of
(A) Learnt behaviour
(B) Biological evolution
(C) Instinctive behaviour
(D) Both A and B
Answer: (A)
Question 32: A permanent loss from population can be due to
(A) Immigration
(B) Emigration
(C) Migration
(D) All the above
Answer: (B)
Question 33: Emigration is
(A) Going out of some individuals to return after some time
(B) Temporary inward movement of some individuals
(C) Permanent outward movement of some individuals from a population
(D) Permanent inward movement of some individuals into a population
Answer: (C)
Question 34: The most thinly populated country of the world is
(A) Australia
(B) Austria
(C) Maldives
(D) Canada
Answer: (A)
Question 35: The most thickly populated country of the world is
(A) Japan
(B) Indonesia
(C) India
(D) China
Answer: (A)
Question 36: Which one is larger?
(A) Territory
(B) Defended area
(C) Home range
(D) Nesting and nursing area
Answer: (C)
Question 37: Boundary of a territory is marked by
(A) Defaecation
(B) Phermones present in excreta
(C) Excreta
(D) Urination
Answer: (B)
Question 38: An animal would defend
(A) Territory
(B) Home range
(C) Feeding area
(D) Both A and B
Answer: (A)
Question 39: Territory is defended against
(A) Any intruder
(B) Predator
(C) Intruder of same species
(D) Intruder of species having same feeding habits
Answer: (C)
Question 40: Chemicals used for transmitting messages to members of same species are
(A) Allochemics
(B) Kairomones
(C) Auxins
(D) Phermones
Answer: (D)
Question 41: Lemmings reduce their numbers by committing suicides every
(A) Eight years
(B) Alternate years
(C) Four years
(D) Two years
Answer: (C)
Question 42: Which factor maintains the distinctive traits of species?
(A) Specific niche
(B) Reproductive isolation
(C) Cooperative interaction
(D) Continuois intercommunication
Answer: (B)
Question 43: Waggle dance of a honeybee is an example of
(A) Courtship
(B) Threatening adversaries
(C) Communication for feeding site
(D) Communication for imminent danger
Answer: (C)
Question 44: Competetion between individuals of a population is
(A) Intraspecific
(B) Interspecific
(C) Internecine
(D) Local
Answer: (A)
Question 45: Study of inter-relationships between organisms and their environment is
(A) Ecology
(B) Ecosystem
(C) Phytogeography
(D) Ethology
Answer: (A)
Question 46: Study of inter-relationships between a species/individuals and its environment in a forest is
(A) Synecology
(B) Forest ecology
(C) Autecology
(D) Ecology
Answer: (C)
Question 47: Ecology is connected with the study of
(A) Environment factors
(B) Plant adaptations
(C) Effect of plants on environment
(D) All the above
Answer: (D)
Question 48: Study of inter-relationships between an entire community and its environment is
(A) Autecology
(B) Resourse ecology
(C) Species ecology
(D) Synecology
Answer: (D)
Question 49: Synecology is study of inter-relationships between environment and
(A) Individual plant
(B) A population
(C) A community
(D) Individual animal
Answer: (C)
Question 50: Individuals of a species which occur in a particular area constitute
(A) Flora
(B) Fauna
(C) Population
(D) Flora and fauna
Answer: (C)