10,103 Questions

Question Bank

Search, filter, and explore every MCQ across all subjects and topics.

Showing 20 of 10103 questionsPage 152 of 506
ScienceEasy
Biology
Ecology

The gradual change in species composition in a given area is called:

View Question
ScienceEasy
Biology
Ecology

Vulture and hyena are examples of:

View Question
ScienceEasy
Biology
Ecology

Which of the following is a threat to biodiversity?

View Question
ScienceEasy
Biology
Ecology

Acid rain is mainly caused by the oxides of:

View Question
ScienceEasy
Biology
Ecology

Which part of Nepal is famous for One-horned Rhinoceros?

View Question
ScienceEasy
Biology
Ecology

The term 'Ecology' was first coined by:

View Question
ScienceEasy
Biology
Ecology

A food chain always starts with:

View Question
ScienceEasy
Biology
Ecology

The living components of an ecosystem are called:

View Question
ScienceEasy
Biology
Ecology

The 10% law of energy transfer in a food chain was given by:

View Question
ScienceMedium
Biology
Ecology

If 1000 J of energy is present at the producer level, how much energy will be available to the secondary consumer?

View Question
ScienceMedium
Biology
Ecology

Which of the following represents a correct parasitic relationship?

View Question
ScienceMedium
Biology
Ecology

In an ecosystem, the flow of energy is always:

View Question
ScienceMedium
Biology
Ecology

Which of the following is the 'climax community' in a typical forest succession?

View Question
ScienceMedium
Biology
Ecology

What is the role of Nitrosomonas bacteria in the Nitrogen Cycle?

View Question
ScienceMedium
Biology
Ecology

Identify the relationship where both species benefit from each other.

View Question
ScienceMedium
Biology
Ecology

Which ecological pyramid can never be inverted in a natural ecosystem?

View Question
ScienceMedium
Biology
Ecology

The accumulation of non-biodegradable pesticides in the food chain is called:

View Question
ScienceMedium
Biology
Ecology

Which of the following is an example of an endoparasite?

View Question
ScienceMedium
Biology
Ecology

Eutrophication in a lake is primarily caused by an excess of:

View Question
ScienceMedium
Biology
Ecology

The actual area or specific functional role an organism plays in its habitat is its:

View Question