- 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 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.
Q 1 - Which among the following is the best explanation of having two eyes instead of one?
A - Help in distinguish colors from the distance more easily
B - Help in seeing object even in dim light
Answer : D
Explanation
N/A
Q 2 - Antibiotic drugs normally treat ……
Answer : A
Explanation
Antibiotics normally are the group of medicines, which used to treat infections.
Q 3 - Which among the following is the main characteristic of a fish’s heart?
A - Through it only pure blood is passed out
B - Through it only impure blood is passed out
C - Through it both pure and impure types of blood are passed out
Answer : B
Explanation
N/A
Q 4 - Which among the following is the largest lymphatic organ of the body?
Answer : A
Explanation
N/A
Q 5 - Consider the following statements:
1. Chloroplasts can only be found in plants, algae, and some animal cells.
2. Chloroplasts retain the sun's energy to make carbohydrates through photosynthesis.
Choose the correct answer from the given codes:
Answer : B
Explanation
Chloroplasts can only be found in plants and algae.
Q 6 - Consider the following statements:
1. The plants which grows and obtain food from the dead organic matter are known as saprophyte.
2. Saprophyte plants do not have chlorophyll and hence they cannot make their food.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 7 - Consider the following statements:
1. Stamen is the male reproductive part of a flower.
2. Spore is the microscopic reproductive body of plants.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 8 - Consider the following statements:
1. Cell culture is the basic technique of growing cells in a laboratory independent of an organism.
2. Immunostaining, also known as immunohistochemistry, is a specialized histological technique used to localize proteins in cells or tissue slices.
Choose the correct answer from the given codes:
Answer : C
Explanation
N/A
Q 9 - Identify the group of diseases caused by virus …
A - Measles, syphilis, rabies, cholera
B - Poliomyelitis, syphilis, chicken pox, mumps
Answer : D
Explanation
N/A
Q 10 - If the food wrapped in newspaper, most likely, the food can get contaminated with
Answer : A
Explanation
N/A
Q 11 - The orchid seeds normally are …
Answer : A
Explanation
N/A
Q 12 - Amnesia is …
Answer : B
Explanation
Amnesia is normally caused by brain damage.
Q 13 - Which among the following correctly defines the term Hydroponics?
A - The plant that grows without soil
B - The plant that grows without water
C - The plant that grows in water
D - The plant that grows in sand, gravel, liquid without adding soil
Answer : A
Explanation
Hydroponics is a scientific technique to grow plants in sand, gravel, or liquid without soil.
Answer : D
Explanation
Amylase is sometimes also known as Ptyalin. Amylase breaks complex carbohydrates to smaller chains.
Q 15 - Thrombosis is …
Answer : A
Explanation
Thrombosis, if not cured on time, may take life.
Q 16 - When did the first multicellular life appear?
A - About 1200 million years ago
Answer : D
Explanation
The first multicellular organism may have arisen about 800 million years ago.
Q 17 - Which among the following is not a hormone?
Answer : B
Explanation
Haemoglobin is iron-containing oxygen-transport metalloprotein in the red blood cells.
Q 18 - Pantothenic acid is the chemical name of …
Answer : B
Explanation
Vitamin B5 is soluble in water.
Q 19 - Ascorbic acid is the chemical name of …
Answer : A
Explanation
Vitamin C is soluble in water.
Q 20 - ………… is part of brain that controls the minute movement, maintains the balance and equilibrium of the body.
Answer : C
Explanation
Cerebellum is the part of the brain located at the back of the skull; it regulates and coordinates the muscular activity.