Explore topic-wise MCQs in Life Sciences.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following zone lies at the bottom of the sea?

A. Littoral
B. Benthic
C. Neritic zone
D. Pelagic zone
Answer» C. Neritic zone
2.

Which of the following is inter-tidal zone between land and open sea?

A. Benthic zone
B. Pelagic zone
C. Neritic zone
D. Littoral
Answer» E.
3.

Mark the one, which comes under a lotic ecosystem?

A. Ocean
B. Lake
C. Pond
D. River
Answer» E.
4.

Which of the following ecosystem consists of forest, grassland and deserts?

A. Artificial ecosystem
B. Aquatic ecosystem
C. Natural ecosystem
D. Terrestrial ecosystem
Answer» E.
5.

Which of the following has a higher assimilation efficiency?

A. Omnivore
B. Herbivore
C. Carnivore
D. Detrivores
Answer» D. Detrivores
6.

Which of the following statement is CORRECT about the pyramid of energy?

A. It is always upright
B. It is always inverted
C. It doesn’t exist
D. It varies with the trophic level
Answer» B. It is always inverted
7.

Pyramid of number defines the individuals of each species belonging to trophic level in an ecosystem.

A. True
B. False
Answer» B. False
8.

Pyramid of numbers for grassland ecosystem is____________

A. Decreases
B. Lateral
C. Inverted
D. Upright
Answer» E.