Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

In which of the following the young bird is brought up by along other birds?

A. Brood parasitism
B. Endoparasite
C. Ectoparasite
D. Permanent parasite
Answer» B. Endoparasite
2.

Pollination of flowers by bees is an example of which interaction?

A. Parasitism
B. Commensalism
C. Predation
D. Mutualism
Answer» E.
3.

In which of the following interaction, an association between species is not obligatory but both the species are benefited?

A. Mutualism
B. Proto cooperation
C. Commensalism
D. Predation
Answer» C. Commensalism
4.

Which of the two are synonyms?

A. Symbiosis and predation
B. Predation and commensalism
C. Symbiosis and mutualism
D. Predation and mutualism
Answer» D. Predation and mutualism
5.

In which of the following interaction one or both the species may be harmed?

A. Neutralism
B. Antagonism
C. Respiration
D. Photosynthesis
Answer» C. Respiration
6.

In which of the following interaction both the species are benefited?

A. Antagonism
B. Neutralism
C. Symbiosis
D. Predation
Answer» D. Predation
7.

In which of the following interactions neither of the two species is benefited nor harmed?

A. Antagonism
B. Symbiosis
C. Symbiosis and antagonism
D. Neutralism
Answer» E.
8.

Which one of the following is an example of commensalism?

A. Cuckoo and crow
B. Cattle and grass
C. Orchids and mango tree
D. Tiger and deer
Answer» D. Tiger and deer
9.

What is the interaction called where organisms live together in such a manner that one organism is benefited without affecting the others called?

A. Mutualism
B. Parasitism
C. Competition
D. Commensalism
Answer» E.
10.

Which statement is true about cuckoo?

A. The host does not behave as a babysitter
B. Host behaves as a babysitter
C. They deposit their eggs in the nest of other species
D. Cuckoo builds its own nests
Answer» C. They deposit their eggs in the nest of other species
11.

Which statement is false about parasitism?

A. Parasites have a high degree of specialization for their mode of life
B. The parasites are generally smaller than the host
C. The parasites are destroyed by the hosts
D. They reproduce at a faster rate than their hosts
Answer» D. They reproduce at a faster rate than their hosts
12.

Which statement is incorrect about the competition?

A. The organism competes for resources such as food, water, and space
B. One organism s fights with the other members of same species for mate
C. The competition plays a critical role in natural selection
D. Unlimited supply of resources is one of the primary reasons for competition
Answer» E.
13.

What is an adaptation in which an organism matches its colour with the surrounding to get protection from predators called?

A. Mimicry
B. Camouflage
C. Parasitism
D. Commensalism
Answer» C. Parasitism
14.

How does a carnivore population increase?

A. Due to the increase in the population of herbivore
B. Due to the increase in the population of omnivore
C. Due to the increase in the population of scavenger
D. Due to the decrease in the availability of grass
Answer» B. Due to the increase in the population of omnivore
15.

Which of the following adapt themselves for a prey-predator relationship?

A. Carnivore and decomposer
B. Herbivore and carnivore
C. Herbivore and omnivore
D. Omnivore and carnivore
Answer» C. Herbivore and omnivore