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.

Clay < Silt < ? < Coarse < Gravel
Which type is missing in the sequence of increasing particle size of soil?

A. Stone
B. Rock
C. Fine Sand
D. Humus
Answer» D. Humus
2.

Which one of the following is the effect of the wind?

A. Uprooting of plants
B. Change in temperature
C. Decrease in pH
D. Decrease in water
Answer» B. Change in temperature
3.

Which region is present below the photic region?

A. Littoral
B. Limnetic
C. Benthic
D. Aphotic
Answer» E.
4.

In which zone of the lake does the light cannot penetrate?

A. Littoral
B. Limnetic
C. Photic
D. Benthic
Answer» E.
5.

Which of the following is the component of good soil?

A. Microflora
B. Sand
C. Humus
D. Fauna
Answer» D. Fauna
6.

Which of the following instrument is used to measure the speed of the wind?

A. Thermometer
B. Anemometer
C. Barometer
D. Voltmeter
Answer» C. Barometer
7.

What does good soil provide?

A. Distortion
B. Speed
C. Minerals
D. Reproduction capacity
Answer» D. Reproduction capacity
8.

What is wind?

A. Sunlight
B. Invisible vapours in the atmosphere
C. Supporting material
D. Motion in air
Answer» E.
9.

What is humidity?

A. Temperature
B. Wind
C. Invisible vapours in the atmosphere
D. Motion in air
Answer» D. Motion in air
10.

The plants growing at high humidity are called?

A. Halophytes
B. Benthic
C. Homeotherms
D. Hygrophytes
Answer» E.
11.

Which of the following organism requires high humidity for growth?

A. Mango
B. Orchids
C. Grasses
D. Lizards
Answer» C. Grasses
12.

Which one of the following is an abiotic factor?

A. Plants
B. Animals
C. Protists
D. Wind
Answer» E.
13.

Temperature is important for which of the following functions?

A. Solvent
B. Metabolic activities
C. Photosynthesis
D. Support
Answer» C. Photosynthesis
14.

Water is important for which of the following functions?

A. Universal solvent
B. Support
C. Reproduction
D. Development
Answer» B. Support
15.

Light is important for which of the following functions?

A. Reproduction
B. Photosynthesis
C. Solvent
D. Support
Answer» C. Solvent