
- Biology Notes for UPSC IAS Prelims (Part I)
- Biology - Home
- Biology - Structure and Functions
- The Fundamental Unit of Life
- Biology - Tissues
- Biology - Animal Tissue
- Diversity in Living Organisms
- Biology - Plantae Kingdom
- Biology - Animalia Kingdom
- Biology - Vertebrata
- Biology - Transportation in Humans
- Biology - Transportation in Plants
- Biology - Excretion
- Biology - Control and Coordination
- Biology - Hormones in Animal
- How do Organisms Reproduce?
- Biology - Sexual Reproduction
- Biology - Reproduction in Animals
- Reaching the Age of Adolescence
- Biology - Heredity and Evolution
- Biology - Life Processes
- Biology - Respiration
- Microorganisms: Friend and Foe
- Biology - Why do We Fall Ill
- Biology - Natural Resources
- Biology - Our Environment
- Conservation of Plants and Animals
- Biology Useful Resources
- Biology Part 1 - Online Quiz
- Biology Part 1 - Online Test
- Biology Part 1 - Quick Guide
- Biology - Useful Resources
- Biology - Discussion
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Biology Part 1 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Biology. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Answer : D
Explanation
N/A
Q 2 - Consider the following statements:
1. The (nerve) fibers that carry impulses (messages) from the central nervous system to other part of the body are known as efferent.
2. The (nerve) fibers that carry impulses to the central nervous system are called afferent fibers.
Choose the correct answer from the codes given below:
Answer : C
Explanation
The efferent nerves are also known as motor nerve (fibers).
Q 3 - Which among the following terms correctly defines the potato?
Answer : C
Explanation
Potato is an underground modified stem.
Q 4 - Who among the following is known as the father of Antiseptic Surgery?
Answer : D
Explanation
Sir Joseph Lister, a British surgeon, is popular as the father of antiseptic surgery.
Q 5 - AIDS normally affects …
1. Blood circulatory system
2. Nervous system
3. Immune system
4. Respiratory system
Choose the correct answer from the codes given below:
Answer : D
Explanation
N/A
Q 6 - The lichen is a good indicator of ……
Answer : A
Explanation
Lichen can grow only in a clean environment; so, if there is lichen, it means, the environment is clean.
Q 7 - Consider the following statements:
1. Digestive system of body breaks down food into materials that provide energy to the body.
2. The passages of the digestive system are lined with involuntary muscles that contract in waves to squeeze food along.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 8 - The blood group AB is known as the universal recipient because:
A - Antibody is found in the blood itself
Answer : C
Explanation
N/A
Q 9 - Which among the following is the source of immediate energy for cellular activity?
Answer : D
Explanation
Adenosine triphosphate or simply ATP is a nucleoside triphosphate.
Q 10 - Who among the following has discovered penicillin?
Answer : A
Explanation
N/A
Q 11 - Consider the following statements:
1. Plants synthesize carbohydrates from carbon dioxide and water by photosynthesis process.
2. Plants store the absorbed energy internally, normally, in the form of starch or lipids.
Choose the correct answer from the given codes:
Answer : C
Explanation
N/A
Q 12 - Consider the following statements:
1. There are two types of nucleic acid namely Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
2. DNA carries the programmatic instructions for cellular activities.
Choose the correct answer from the given codes:
Answer : C
Explanation
Nucleic acid passes genetic information from one generation to the next.
Q 13 - Which among the following bio-fertilizer is used for the paddy crops?
Answer : D
Explanation
Bio-fertilizer is a substance which comprises of living microorganisms.
Q 14 - The function of Deltoid is to ……
Answer : A
Explanation
N/A
Q 15 - Which among the following birds can fly backward?
Answer : B
Explanation
Hummingbirds are small and colorful birds with iridescent feathers.
Q 16 - Which among the following contains the maximum amount of iron in a human body?
Answer : A
Explanation
N/a
Answer : C
Explanation
Ascorbic acid is beneficial for the humans but not for other organisms.
Q 18 - Consider the following statements:
1. In a plant cell, ATP energy is produced in chloroplasts.
2. In a plant cell, ATP energy is produced by converting the energy of sunlight into chemical energy.
Choose the correct answer from the given codes:
Answer : C
Explanation
N/A
Q 19 - Leishmania the causative factor of Kalazar, multiplies asexually through the process …
Answer : B
Explanation
An infection caused by leishmania parasites spreads through sandflies.
Q 20 - Consider the following statements:
1. In bright light, the iris automatically shuts tighter to protect the pupil.
2. In order to form an image on the retina, light must pass through all the media of the eye.
Choose the correct answer from the codes given below:
Answer : C
Explanation
The media of eye includes cornea, aqueous humor, lens, and vitreous humor.