Class 10 Science Chapter 6 MCQ

Class 10 Science Chapter 6 MCQ (Multiple Choice Questions) test series of Life Processes updated for new academic session 2021-22. 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 6 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 6 MCQ for 2021-22

Class:10
Subject:Science
Contents:MCQ Tests

Class 10 Science Chapter 6 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

In which of the following groups of organisms, food material is broken down outside the body and absorbed?

[A]. Mushroom, green plants, Amoeba
[B]. Yeast, mushroom, bread mould
[C]. Paramecium, Amoeba, Cuscuta
[D]. Cuscuta, lice, tapeworm
Q2

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.
Q3

Nancy is writing some sentences about living things. Choose the statements which do not shows the characteristics of living things:

[A]. Living things need air and water.
[B]. Living things can respond to changes around them.
[C]. Living things respire or release energy from food.
[D]. Living things cannot move by themselves, such as plant.
Q4

During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the:

[A]. Cytoplasm
[B]. Chloroplast
[C]. Mitochondria
[D]. Golgi body
Q5

Which of the following statement(s) is (are) correct?

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




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

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.
Q9

In which part of the alimentary canal food is finally digested?

[A]. Stomach.
[B]. Mouth cavity.
[C]. Large intestine.
[D]. Small intestine.
Q10

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.



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

The internal (cellular) energy reserve in autotrophs is

[A]. Glycogen
[B]. Protein
[C]. Starch
[D]. Fatty acid
Q13

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
Q14

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. The process in which the absorbed food is taken in by body cells and used for energy growth and repair is called assimilation.
[B]. The process in which the digested food passes through the intestinal wall into bloodstream is called absorption.
[C]. The process in which the food containing large in soluble molecules is broken down into small water-soluble molecules is called digestion.
[D]. None of the above.
Q15

Oxygen liberated during photosynthesis comes from

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



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

Oxygen liberated during photosynthesis comes from

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

Neha is writing some sentences about living things. Choose the statements which do not shows the characteristics of living things:

[A]. Living things need air and water.
[B]. Living things can respond to changes around them.
[C]. Living things respire or release energy from food.
[D]. Living things cannot move by themselves, such as plant.
Q20

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.




Q21

The opening and closing of the stomatal pore depends upon

[A]. Oxygen.
[B]. Temperature.
[C]. Water in guard cells.
[D]. Concentration of Carbon Dioxide in stomata.
Q22

Which of the following statement(s) is (are) true about respiration?

[A]. During inhalation, ribs move inward and diaphragm is raised, and Alveoli increase surface area for exchange of gases.
[B]. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air, and Haemoglobin has greater affinity for carbon dioxide than oxygen.
[C]. During inhalation, ribs move inward and diaphragm is raised, and Haemoglobin has greater affinity for carbon dioxide than oxygen.
[D]. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air, and Alveoli increase surface area for exchange of gases.
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

Which of the following statement is or are correct?

[A]. Each kidney is made up of a large number of excretory units called nephrons.
[B]. The best long-term solution for kidney failure is the kidney transplant.
[C]. The process used to clean the blood of a person by separating the waste substance from it, is called dialysis.
[D]. All the above.
Q25

Which of the following statement(s) is (are) correct?

[A]. Pyruvate can be converted into ethanol and carbon dioxide by yeast, and Fermentation takes place in mitochondria.
[B]. Fermentation takes place in aerobic bacteria, and Fermentation is a form of anaerobic respiration.
[C]. Pyruvate can be converted into ethanol and carbon dioxide by yeast, and Fermentation is a form of anaerobic respiration.
[D]. Fermentation takes place in aerobic bacteria, and Fermentation takes place in mitochondria.
Class 10 Science Chapter 6 MCQ Tests

Class 10 Science Chapter 6 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 important for class 10 Board exams?

From 2019-20, MCQs are compulsory in board exams. There will be 20 marks for very short questions including MCQ, Fill in the blanks, etc.

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?

There may be maximum of 20 MCQs in Class 10 Science Examination.

What are the marks of each MCQ?

Generally, each MCQ consists of 1 mark only.

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