Chapter 5 of class 10 science as per the NCERT syllabus is Life Processes which deals with the introduction to Life Processes, Nutrition, Respiration, Transportation, Excretion, Life Processes in Plants and Animals, etc.
Here, we have discussed 30 Multiple Choice Questions based on these topics of the chapter. These questions will help you to learn more about the chapter.
For each question below, there are four options out of which only one option is correct. The correct answer to each question is given at the end for your reference.
MCQ on Class 10 Science Chapter 5
1. Which of the following is not a life process?
A) Respiration
B) Reproduction
C) Photosynthesis
D) Digestion
2. What is the primary source of energy for most living organisms?
A) Water
B) Oxygen
C) Sunlight
D) Glucose
3. Which organelle is responsible for photosynthesis in plant cells?
A) Mitochondria
B) Golgi apparatus
C) Chloroplast
D) Endoplasmic reticulum
4. During respiration, which gas is taken in by the organism?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
5. In which process is glucose broken down to release energy?
A) Photosynthesis
B) Digestion
C) Fermentation
D) Respiration
6. What is the main function of the circulatory system in humans?
A) Transport of nutrients
B) Transport of oxygen
C) Transport of waste products
D) All of the above
7. Which of the following is an excretory organ in humans?
A) Liver
B) Kidney
C) Stomach
D) Pancreas
8. What is the process by which plants lose water vapor through small pores in their leaves called?
A) Transpiration
B) Respiration
C) Evaporation
D) Osmosis
9. What is the process by which green plants make their food called?
A) Photosynthesis
B) Respiration
C) Fermentation
D) Digestion
10. Which of the following is a parasitic mode of nutrition?
A) Herbivory
B) Autotrophy
C) Saprophytism
D) Holozoic nutrition
11. Where does the process of digestion primarily occur in humans?
A) Stomach
B) Liver
C) Small intestine
D) Large intestine
12. Which of the following is NOT a characteristic of life processes?
A) Reproduction
B) Metabolism
C) Homeostasis
D) Inorganic growth
13. Which part of the human brain is responsible for coordination and balance?
A) Cerebrum
B) Medulla oblongata
C) Cerebellum
D) Hypothalamus
14. What is the functional unit of the nervous system called?
A) Neuron
B) Nephron
C) Hormone
D) Enzyme
15. Which hormone regulates blood sugar levels in humans?
A) Insulin
B) Thyroxine
C) Adrenaline
D) Estrogen
16. What is the process of release of mature eggs from the ovary called?
A) Ovulation
B) Fertilization
C) Implantation
D) Menstruation
17. Which of the following hormones is responsible for controlling the menstrual cycle in females?
A) Estrogen
B) Testosterone
C) Progesterone
D) Prolactin
18. What is the term for the spread of genetic traits from parents to offspring?
A) Inheritance
B) Mutation
C) Variation
D) Evolution
19. Which scientist is known as the father of genetics?
A) Charles Darwin
B) Alfred Russel Wallace
C) Gregor Mendel
D) Thomas Hunt Morgan
20. Which of the following is not a Mendelian trait?
A) Widow’s peak
B) Blood type
C) Eye color
D) Seed color in peas
21. Down syndrome is caused by an extra copy of which chromosome?
A) X chromosome
B) Y chromosome
C) 21st chromosome
D) 23rd chromosome
22. Which of the following genetic disorders is caused by the absence of an X chromosome in females?
A) Down syndrome
B) Turner syndrome
C) Klinefelter syndrome
D) Hemophilia
23. What is the term for a change in the DNA sequence that can be inherited?
A) Allele
B) Mutation
C) Genotype
D) Phenotype
24. In humans, which parent determines the sex of the offspring?
A) Mother
B) Father
C) Both parents
D) It is random
25. Which of the following is a sex-linked genetic disorder?
A) Cystic fibrosis
B) Sickle cell anemia
C) Duchenne muscular dystrophy
D) Phenylketonuria
26. What is the term for the transfer of genetic material from one population to another?
A) Mutation
B) Genetic drift
C) Gene flow
D) Natural selection
27. Which of the following is not a source of genetic variation?
A) Mutation
B) Recombination
C) Gene flow
D) Asexual reproduction
28. Which of the following is an example of polygenic inheritance?
A) Height in humans
B) Blood type
C) Seed color in peas
D) Hemophilia
29. Which hormone is responsible for regulating the menstrual cycle in females?
A) Estrogen
B) Progesterone
C) Testosterone
D) Prolactin
30. Which of the following hormones is produced by the adrenal glands and helps the body respond to stress?
A) Insulin
B) Estrogen
C) Adrenaline
D) Testosterone
Correct Answers
Here is the list of correct answers to the above questions.
- B) Reproduction
- C) Sunlight
- C) Chloroplast
- A) Oxygen
- D) Respiration
- D) All of the above
- B) Kidney
- A) Transpiration
- A) Photosynthesis
- D) Holozoic nutrition
- C) Small intestine
- D) Inorganic growth
- C) Cerebellum
- A) Neuron
- A) Insulin
- A) Ovulation
- C) Progesterone
- A) Inheritance
- C) Gregor Mendel
- B) Blood type
- C) 21st chromosome
- B) Turner syndrome
- B) Mutation
- B) Father
- C) Duchenne muscular dystrophy
- C) Gene flow
- D) Asexual reproduction
- A) Height in humans
- B) Progesterone
- C) Adrenaline
The Bottom Line
I hope these 30 MCQs on Life Processes of Class 10 Science Chapter 5 have helped you in your studies and preparation.
If you have any queries, or comments or find any mistake in the above questions, feel free to contact me in the comment section below.
I would love to hear from you.
Abdur Rohman is an Electrical Engineer from Charaideo, Assam, who wears multiple hats as a part-time teacher, blogger, entrepreneur, and digital marketer. Passionate about education, he founded The Assam School blog to provide free, comprehensive textbook solutions, MCQs (Multiple Choice Questions), and other academic content for students from Class V to XII.