Class 10 Science Chapter 5 MCQ (Multiple Choice Questions) test series of Life Processes updated for new academic session 2023-24. These questions are important for CBSE Board examination as it contains important questions from CBSE Sample Papers, Questions from Board Papers also. After going through the chapter 5 of Class 10 Science, students should practice these questions to cross check there level of preparation for exams. More MCQ Questions will be added as per need of the students.

Class 10 Science Chapter 5 MCQ for 2023-24

Class:10
Subject:Science
Chapter: 5Life Processes
Contents:MCQ Tests
Session:CBSE 2023-24

Class 10 Science Chapter 5 MCQ Test for Revision

The following test of MCQs contains 10 questions for practice. Considering each questions as of 1 mark, attend the test. If you are getting less than 40 percent marks means, you need to go through NCERT Books once again. Doing more than 6 or more questions correctly is satisfactory.

Q1

Which is the correct sequence of parts in human alimentary canal?

[A]. Mouth → Stomach → Small intestine → Oesophagus → Large intestine
[B]. Mouth → Oesophagus → Stomach → Large intestine → Small intestine
[C]. Mouth → Stomach → Oesophagus → Small intestine → Large intestine
[D]. Mouth → Oesophagus → Stomach → Small intestine → Large intestine
Q2

In tissues of human beings, glucose is converted into pyruvic acid in the

[A]. Cytoplasm.
[B]. Chloroplast.
[C]. Mitochondria.
[D]. Golgi body.
Q3

The blood leaving the tissues becomes richer in

[A]. Carbon dioxide
[B]. Water
[C]. Heamoglobin
[D]. Oxygen
Q4

Choose the correct path of urine in our body:

[A]. Kidney → Ureter→ Urethra → Urinary bladder
[B]. Kidney → Urinary bladder → Urethra → Ureter
[C]. Kidney → Ureters → Urinary bladder → Urethra
[D]. Urinary → Bladder → Kidney → Ureter → Urethra
Q5

Badal appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. Animals can move from one place to another or they can move their body parts.
[B]. The plants can only move parts of their body such as leaves, flowers, shoots and roots.
[C]. Non-living things which are not alive they also move by themselves.
[D]. The movement over very small-scale organisms are invisible to the naked eyes.
Q6

The internal (cellular) energy reserve in autotrophs is

[A]. Glycogen
[B]. Protein
[C]. Starch
[D]. Fatty acid
Q7

Which of the following is an incorrect statement?

[A]. Organisms grow with time.
[B]. Organisms must repair and maintain their structure.
[C]. Movement of molecules does not take place among cells.
[D]. Energy is essential for life processes.
Q8

Choose the forms in which most plants absorb nitrogen:

[A]. Proteins, and Nitrates and Nitrites
[B]. Nitrates and Nitrites, and Urea
[C]. Urea, and Atmospheric nitrogen
[D]. Proteins, and Atmospheric nitrogen
Q9

Consider the following statements and choose the correct one:

[A]. The holozoic nutrition is that nutrition in which an organism takes the complex organic food materials into its body by the process of ingestion, the ingested food is digested and then absorbed into the body cells of the organism.
[B]. The parasitic nutrition is that a nutrition in which an organism derives its food from the body of another living organisms without killing it.
[C]. Saprotrophic nutrition is that nutrition in which an organism obtains its food from decaying organic matter of dead plants, dead animals and rotten bread etc.
[D]. All the above.
Q10

Which of the following equations is the summary of photosynthesis?

[A]. 6CO2 + 12H2O → C6H12O6 + 6CO2 + 6H2O
[B]. 6CO2 + H2O + Sunlight → C6H12O6 + O2 + 6H2O
[C]. 6CO2 + 12H2O + Chlorophyll + Sunlight → C6H12O6 + 6O2 + 6H2O
[D]. 6CO2 + 12H2O + Chlorophyll + Sunlight → C6H12O6 + 6CO2 + 6H2O
Q11

Which is the correct sequence of air passage during inhalation?

[A]. Nostrils → larynx → pharynx → trachea → lungs
[B]. Nasal passage → trachea → pharynx → larynx → alveoli
[C]. Larynx → nostrils → pharynx → lungs
[D]. Nostrils → pharynx → larynx → trachea → alveoli
Q12

During respiration exchange of gases take place in

[A]. Trachea and larynx
[B]. Alveoli of lungs
[C]. Alveoli and throat
[D]. Throat and larynx
Q13

Consider the following statements and choose the correct one:

[A]. Those animals which eat only plants are called Herbivores.
[B]. Those animals which eat only other animals as food are called Carnivores.
[C]. Those animals which eat both, plants and animals are called Omnivores
[D]. All the above.
Q14

Oxygen liberated during photosynthesis comes from

[A]. Water
[B]. Chlorophyll
[C]. Carbon dioxide
[D]. Glucose
Q15

The inner lining of stomach is protected by one of the following from hydrochloric acid. Choose the correct one

[A]. Pepsin
[B]. Mucus
[C]. Salivary amylase
[D]. Bile
Q16

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

[A]. Pisces and amphibians.
[B]. Amphibians and reptiles.
[C]. Amphibians only.
[D]. Pisces only.
Q17

Choose the event that does not occur in photosynthesis

[A]. Absorption of light energy by chlorophyll.
[B]. Reduction of carbon dioxide to carbohydrates.
[C]. Oxidation of carbon to carbon dioxide.
[D]. Conversion of light energy to chemical energy.
Q18

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

[A]. Pisces and amphibians
[B]. Amphibians and reptiles
[C]. Amphibians only
[D]. Pisces only
Q19

Read the following sentences carefully, and choose the incorrect one:

[A]. An aerobic respiration take place in our muscles during vigorous physical exercise when oxygen gets used up faster in the muscles cells.
[B]. The accumulation of lactic acid in the muscles cause muscle cramps.
[C]. We can get relief from cramps in muscles caused by heavy exercise by taking a hot water bath or a message.
[D]. None of the above.
Q20

Which of the following statement is or are incorrect?

[A]. The respiration which takes place without oxygen is called an aerobic respiration.
[B]. In an aerobic respiration the microorganisms like east break down glucose into ethanol and carbon dioxide and release energy.
[C]. The whole process of an aerobic respiration take place in the Protoplasm of cells.
[D]. None of the above
Q21

Which of the following statement is correct?

[A]. Pyruvate can be converted into ethanol and carbon dioxide by yeast. Fermentation takes place in mitochondria.
[B]. Fermentation takes place in aerobic bacteria. Fermentation is a form of anaerobic respiration.
[C]. Pyruvate can be converted into ethanol and carbon dioxide by yeast. Fermentation is a form of anaerobic respiration.
[D]. Fermentation takes place in aerobic bacteria. Fermentation takes place in mitochondria.
Q22

Which is the correct sequence of air passage during inhalation?

[A]. Nostrils → Larynx → Pharynx → Trachea → Lungs
[B]. Nasal passage → Trachea → Pharynx → Larynx → Alveoli
[C]. Larynx → Nostrils → Pharynx → Lungs
[D]. Nostrils → Pharynx →Larynx → Trachea → Alveoli
Q23

Vikas is doing his homework which is given by his teacher. Would you help him to choose the correct sentences?

[A]. Tooth enamel is the hardest material in our body.
[B]. The formation of small cavities or holes in the teeth due to the action of acid forming bacteria and improper “Dental Care” is called dental caries.
[C]. If the teeth are not cleaned regularly, they become covered with sticky yellow is layer of food particles and bacteria cells called dental plaque.
[D]. All the above.
Q24

Choose the function of the pancreatic juice from the following

[A]. Trypsin digests proteins and lipase carbohydrates
[B]. Trypsin digests emulsified fats and lipase proteins
[C]. Trypsin and lipase digest fats
[D]. Trypsin digests proteins and lipase emulsified fats
Q25

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:

[A]. Complex proteins
[B]. Simple proteins
[C]. Fats
[D]. Starch
Class 10 Science Chapter 5 MCQ Tests

Class 10 Science Chapter 5 MCQ Tests are given for the practice of topic LIFE PROCESSES. The questions are picked up from NCERT Books, Some popular publisher’s books and NCERT Exemplar Problems books. These are a complete sets of questions for knowledge testing as well as preparation of CBSE Board Exams.

Are MCQs of chapter 5 important for class 10 Board exams?

As per the latest syllabus MCQs are compulsory in board exams. There will be very short questions including MCQ. It may be case study based questions or direct multiple choice questions.

Is the explanation of MCQ required in Board Exams for full score?

You may give only the correct option as answer but if you know the correct explanation, please give in brief.

What are the maximum number of MCQs in Class 10 Science Boards?

The maximum marks of MCQ depends on weightage of the chapter in class 10th science.

Download NCERT Books and Offline Apps 2023-24 based on new CBSE Syllabus. Ask your doubts related to NIOS or CBSE Board and share your knowledge with your friends and other users through Discussion Forum.

Last Edited: April 26, 2023