Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test : Students can prepare for the board exam by studying CBSE Class 10 Science MCQ Chapter 6 Life Processes. The Chapter 6 Life Processes MCQ for Class 10 on transport and excretion in various organisms covers a variety of topics. This chapter provides students with in-depth knowledge on how various life processes are interconnected and necessary in an organism, in addition to CBSE Class 10 Science Life Processes MCQ Online Test. Therefore, in order to successfully complete these Class 10 Science Chapter 6 MCQ, students must have a solid conceptual comprehension of the chapter. They won’t be able to answer the Life Processes CBSE Class 10 Chapter 6 MCQs Online Test in the exam by simply memorising the themes.

Therefore, it is advisable that before responding to these Life Processes MCQ Class 10 questions, students carefully read the chapter. Students get well-versed in the new types of questions that can be posed in exams by practising these Life Processes MCQ. Students will learn how to understand the new question paper format by practising these Life Processes CBSE Class 10 Chapter 6 MCQs Online Test. From the link below, they may get the PDF for the Life Processes – Nutrition in human beings MCQ – Online Test. They can therefore consult the Class 10 Life Processes MCQ at any time while they are studying. Students’ confidence will increase as a result of these Life Processes CBSE Class 10 Chapter 6 MCQs Online Test. Thus, practicing Class 10 Life Process MCQ helps them achieve good exam scores.

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test


1. Food is metabolised by the amoeba in the

  • pseudopodia
  • mitochondria
  • chloroplast
  • food vacuole

food vacuole

2. Which of the following kinds of organisms breaks down and absorbs food ingredients outside the body?

  • Paramecium, Amoeba, Cuscuta
  • Yeast, mushroom, bread mould
  • Cuscuta, lice, tapeworm
  • Mushroom, green plants, Amoeba

Yeast, mushroom, bread mould

3. The movement of the food pipe’s walls in terms of contraction and expansion is referred to as

  • translocation
  • peristaltic movement
  • transpiration
  • digestion

peristaltic movement

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

4. What outcomes does anaerobic respiration in plants produce?

  • Pyruvate
  • Lactic acid + Energy
  • Ethanol + Carbon dioxide + Energy
  • Carbon dioxide + Water + Energy

Ethanol + Carbon dioxide + Energy

5. Iodine solution changes rice water’s colour when a few drops are added, turning it blue-black. Accordingly, rice water includes

  • fats
  • complex proteins
  • simple proteins
  • starch

starch

6. Which of the equations accurately depicts how CO2 and H2O are converted by plants into carbohydrates?

  • a
  • b
  • c
  • d

c

7. Humans’ respiratory pigment is called

  • haemoglobin
  • carotene
  • mitochondria
  • chlorophyll

haemoglobin

8. Which of the following describes Emphysema’s key feature?

  • inflammation of the bronchial wall.
  • Damage to the lungs’ air sacs and destruction of the alveolar wall.
  • lungs’ artery walls become thicker.
  • Lung tissue is growing more rapidly.

Damage to the lungs’ air sacs and destruction of the alveolar wall.

9. The picture depicts bread moulds on a loaf of bread.

How do these fungi get their food?

  • by allowing other microbes to grow on the bread before eating them
  • by consuming the bread it is growing on.
  • first dissolving the minerals in bread and subsequently absorbing them
  • by utilising the bread’s nutrients to make their own meal

first dissolving the minerals in bread and subsequently absorbing them

10. The stomatal pore’s ability to open and close depends on

  • water in the guard cells
  • Oxygen
  • temperature
  • concentration of CO2

water in the guard cells

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

11. The illustration demonstrates how an amoeba obtains food.


What benefits does Amoeba receive from this process?

  • Food capture requires less time.
  • It is simple to digest complex meals
  • It is possible to eat more food.
  • rapid absorption of nutrients by the body

rapid absorption of nutrients by the body

12. Vasculature that are only one cell thick are

  • Arteries
  • Veins
  • Capillaries
  • Pulmonary artery

Capillaries

13. Transpiration is how plants get rid of extra water. Which technique do plants use to dispose of their solid waste products?

  • dropping down of fruits
  • shortening of stem
  • expansion of roots into the soil
  • shedding of yellow leaves

shedding of yellow leaves

14. The elastic tissue in the alveoli is destroyed by chemicals found in cigarette smoke. Name this particular ailment.

  • Emphysema
  • Heart disease
  • Bronchitis
  • Lung cancer

Emphysema

15. Which organ of the human digestive system begins food digestion?

  • the food-moving oesophagus in the gut
  • that produces fluids to break down fat
  • mouth because saliva is present
  • It facilitates the blending of meals and digestive fluids

mouth because saliva is present

16. The human excretory system can be seen in the image.

How crucial is the marked component to the excretory system?

  • It removes impurities from the blood.
  • It excretes urine
  • The pee is kept there till urination.
  • It transports urine produced by the kidney outside.

The pee is kept there till urination.

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

17. The illustration depicts how the heart and lungs move gases throughout the body.

Which illustration accurately depicts the movement of oxygen into the cell?

  • Lungs →pulmonary vein →left atrium →left ventricle →aorta → body cells
  • Lungs →pulmonary vein →right atrium →right ventricle → aorta → body cells
  • Lungs →pulmonary artery →left atrium → left ventricle → vena cava → body cells
  • Lungs →pulmonary artery →right atrium → right ventricle→ vena cava → body cells

Lungs →pulmonary vein →left atrium →left ventricle →aorta → body cells

18. What proportion of oxygen is present in the air that is exhaled when someone is sleeping?

  • 12%
  • 20%
  • 24%
  • 16%

16%

19. How are nutrients sent from the phloem to the tissues in accordance with a plant’s needs?

  • Food is transported by xylem throughout the plant body in a single direction, just like water.
  • In the body of the plant, food and water are transported together.
  • Food is moved between a production area and other areas of the plants.
  • Food is moved from a low-concentration area to one with a higher concentration.

Food is moved between a production area and other areas of the plants.

20. Which bodily parts should be placed in the human alimentary canal in what order?

  • Mouth → oesophagus → stomach → small intestine → large intestine
  • Mouth → stomach → small intestine → large intestine → oesophagus
  • Mouth → oesophagus → stomach → large intestine → small intestine
  • Mouth → stomach → oesophagus → small intestine → large intestine

Mouth → oesophagus → stomach → small intestine → large intestine

21. Which of the following are foods high in energy?

  • Vitamins and minerals
  • Carbohydrates and fats
  • Water and roughage
  • Proteins and mineral salts

Carbohydrates and fats

22. What type of nutrition allows an organism to obtain food from another living thing without destroying it?

  • Autotrophic nutrition
  • Saprotrophic nutrition
  • Parasitic nutrition
  • Holozoic nutrition

Parasitic nutrition

Life Processes Class 10 MCQs Questions with Answers

23. The process by which plant roots take up water from the soil is as follows:

  • diffusion
  • osmosis
  • transpiration
  • None of these

osmosis

24. The location of photosynthesis in a leaf’s cells is

  • mitochondria
  • chloroplast
  • cytoplasm
  • protoplasm

chloroplast

25. Which of the following mouth-related activities will be impacted by a lack of salivary amylase?

  • The conversion of starch to sugars.
  • The amino acid breakdown of proteins.
  • Vitamin absorption.
  • The breakdown of fats into glycerol and fatty acids.

The conversion of starch to sugars.

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

26. Choose the appropriate statement.

  • Heterotrophs produce their own food
  • Heterotrophs produce food using solar energy.
  • Heterotrophs cannot produce food for themselves.
  • Heterotrophs can produce carbohydrates from carbon dioxide and water.

Heterotrophs cannot produce food for themselves.

27. One of the following shields the stomach’s inside lining from hydrochloric acid. Pick the right answer.

  • Mucus
  • Salivary amylase
  • Pepsin
  • Bile

Mucus

28. Which one of them serves as the starting point for photosynthesis?

  • carbon dioxide
  • water
  • oxygen
  • both A and B

both A and B

29. Which one of these is

  • rice
  • wheat
  • Butter
  • Glucose

Glucose

30. Which of the following does not happen during photosynthesis?

  • Chlorophyll’s absorption of light energy
  • Carbon dioxide is converted to carbohydrates.
  • Carbon dioxide is created by oxidising carbon.
  • Light energy to chemical energy conversion

Carbon dioxide is created by oxidising carbon.

31. The source of the oxygen emitted during photosynthesis is

  • water
  • Chlorophyll
  • carbon dioxide
  • glucose

water

MCQ Questions for Class 10 Science Life Process with Answers

32. When the blood leaves the tissues, it contains more of

  • Haemoglobin
  • carbon dioxide
  • water
  • oxygen

carbon dioxide

33. Which of the following statements is untrue:

  • organisms develop over time
  • Organisms must maintain and repair their structural integrity.
  • There is no molecular movement within cells.
  • The processes of life require energy.

There is no molecular movement within cells.

34. The following are examples of single circulation, or when blood only passes through the heart once during one cycle of travel through the body.

  • Labeo, Chameleon, Salamander
  • Hippocampus, Exocoetus, Anabas
  • Hyla, Rana, Draco
  • Whale, Dolphin, Turtle

Hippocampus, Exocoetus, Anabas

35. Which of the following statements about breathing is true?

  • Ribs turn inward and the diaphragm rises during inhaling.
  • Gas exchange occurs in the alveoli, where oxygen from the alveolar air diffuses into the blood and carbon dioxide from the blood enters the alveolar air sacs.
  • Compared to oxygen, haemoglobin has a stronger affinity for carbon dioxide Alveoli do not increase the surface area for gas exchange.
  • None

Gas exchange occurs in the alveoli, where oxygen from the alveolar air diffuses into the blood and carbon dioxide from the blood enters the alveolar air sacs.

36. Type ATP in its whole form.

  • Adenosine triphosphate
  • adenosine phosphate
  • adenosine diphosphate
  • none of the above

adenosine diphosphate

37. Which organelle is referred to as the cell’s powerhouse?

  • Mitochondria
  • golgi body
  • ribosomes
  • none

Mitochondria

MCQ Questions for Class 10 Science Life Process with Answers

38. How long does an alimentary canal typically last?

  • 3m
  • 4m
  • 5m
  • 9m

9m

39. Xylem helps in

  • transportation of water
  • translocation of food
  • both a and b
  • transportation of water and minerals

transportation of water and minerals

40. During deficiency of oxygen in tissues of humans, pyruvic acid is converted into lactic acid in____.

  • Cytoplasm
  • chloroplast
  • mitochondria
  • golgi body

Cytoplasm

41. What stops blood from flowing backwards during a contraction?

  • heart valves
  • thick muscular ventricle walls
  • thin atria walls
  • All

heart valves

42. What is the proper order of the air passages during inhalation?

  • larynx→ Nostrils → Pharynx → lungs
  • nostrils→ Pharynx→ larynx→ Trachea → alveoli
  • nasal passage → larynx → Trachea → Pharynx→ Alveoli
  • None

nostrils→ Pharynx→ larynx→ Trachea → alveoli

43. The pancreas release their bile into

  • Small intestine
  • large intestine
  • stomach
  • Duodenum

Duodenum

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

44. Humans’ kidneys are a component of

  • Nutrition
  • Respiration
  • Excretion
  • Circulation

Excretion

45. Gases are exchanged during respiration in the

  • Trachea and larynx
  • alveoli of lungs
  • Alveoli and throat
  • Throat and larynx

alveoli of lungs

46. Lime water gets milky when air is blown through it as a result of

  • water
  • carbon dioxide
  • limestone
  • calcium oxide

carbon dioxide

47. the superior vena cava’s blood enters the

  • right atrium
  • right ventricle
  • left atrium
  • left ventricle

right atrium

48. The presence of is what gives plants their green colour

  • chlorophyll
  • carotene
  • xanthophyll
  • starch

chlorophyll

Life Processes CBSE Class 10 Chapter 6 MCQs Online Test

49. Lipase affects

  • amino acids
  • fats
  • carbohydrates
  • all of these

fats

50. What type of fluid is blood?

  • Lymph
  • Platelets
  • Plasma
  • All of these

Plasma

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Updated: November 24, 2022 — 5:38 pm

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