SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions | Assam Eduverse
SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions are designed to strengthen understanding of nutrition, respiration, transportation, and excretion for the HSLC examination. These SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions include theory-based questions, diagram-based questions, previous year questions (PYQs), and important MCQs.
The SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions strictly follow the latest SEBA (ASSEB) syllabus for 2026–27. Since students must attempt 45 MCQs in the HSLC Science exam, practising MCQs from SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions is essential.
Topics covered in SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions include modes of nutrition, human digestive system, respiration in organisms, transportation in plants and humans, and excretion. Students searching for HSLC Science Chapter 6 Life Processes Important Questions or SEBA Class 10 Science Chapter 6 PYQs will find this resource highly useful.
SEBA Class 10 Science Chapter 6 Life Processes Important Questions with PYQs and MCQs
Table of Contents
A. Previous Year Questions with Answers
Q1. Emulsification of fat molecule is carried out by — [HSLC 2015]
(i) Trypsin
(ii) Pepsin
(iii) Bile salts
(iv) Amylase
Answer: (c) Bile salts
Q2. Anaerobic respiration occurs in — [HSLC 2016, 2020]
(i) Mitochondria
(ii) Chloroplast
(iii) Nucleus
(iv) Cytoplasm
Answer: (d) Cytoplasm
Q3. The enzyme which converts starch to simple sugar is — [HSLC 2017]
(i) amylase
(ii) lipase
(iii) pepsin
(iv) trypsin
Answer: (a) amylase
Q4. The name of the process with the help of which carbon and energy requirements of an autotrophic organism are fulfilled is — [HSLC 2018]
(i) photosynthesis
(ii) respiration
(iii) translocation
(iv) photophosphorylation
Answer: (a) photosynthesis
Q5. The part of the brain responsible for the sensation of hunger and thirst is — [HSLC 2018]
(i) forebrain
(ii) midbrain
(iii) hindbrain
(iv) hypothalamus
Answer: (a) forebrain
Q6. The enzyme contained by our saliva is called — [HSLC 2019]
(i) amylase
(ii) lipase
(iii) trypsin
(iv) pepsin
Answer: (a) amylase
Q7. Sphygmomanometer is an instrument which is used to measure the — [HSLC 2022]
(i) blood pressure
(ii) O₂ level in the blood
(iii) blood sugar level
(iv) level of urea in the blood
Answer: (a) blood pressure
Q8. Breakdown of glucose into pyruvate takes place in the — [HSLC 2023]
(i) Cell of cytoplasm
(ii) Mitochondria
(iii) Cell membrane
(iv) Golgi body
Answer: (a) Cell of cytoplasm
Q9. The energy currency for most of the cellular process is — [HSLC 2023]
(i) ADP
(ii) AMP
(iii) ATP
(iv) CO₂
Answer: (c) ATP
Q10. Amoeba engulfs food from its surroundings and forms a food vacuole with the help of the _____ [HSLC 2024]
(A) pseudopodia
(B) cilia
(C) flagella
(D) tentacles
Answer: (A) pseudopodia
Q11. Xylem tissues of the plants are responsible for [HSLC 2024]
(A) transportation of water
(B) transportation of food
(C) transportation of amino acids
(D) transportation of oxygen
Answer: (A) transportation of water
Q12. To drive the reactions, endothermic processes in the cell use [HSLC 2024]
(A) ADP
(B) ATP
(C) AMP
(D) CO₂
Answer: (B) ATP
Q13. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in [HSLC 2025]
(a) cytoplasm
(b) mitochondria
(c) chloroplast
(d) nucleus
Answer: (b) mitochondria
Q14. The kidneys in human beings are a part of the system for [HSLC 2025]
(a) excretion
(b) transportation
(c) nutrition
(d) respiration
Answer: (a) excretion
Q15. While cooking if the bottom of the vessel is getting blackened on the outside, it means that [HSLC 2025]
(a) the fuel is wet
(b) the food is not cooked completely
(c) the fuel is not burned completely
(d) the fuel is burned completely
Answer: (c) the fuel is not burned completely
B. Extra Questions with Answers
Q.1 Which of the following processes together perform the maintenance job in living organisms?
(i) Nutrition and respiration only
(ii) Nutrition, respiration, transport and excretion
(iii) Respiration and excretion only
(iv) Photosynthesis only
Answer: (ii) Nutrition, respiration, transport and excretion
Q.2 During the experiment with a variegated leaf kept in sunlight and tested with iodine, the blue-black colour appears only in —
(i) Non-green areas of the leaf
(ii) Entire leaf surface
(iii) Green areas of the leaf
(iv) Leaf veins only
Answer: (iii) Green areas of the leaf
Q.3 In the experiment where one plant is kept with potassium hydroxide under a bell jar and another without it, the leaf of the plant with potassium hydroxide does not show starch formation because —
(i) Oxygen is absent
(ii) Carbon dioxide is absorbed by potassium hydroxide
(iii) Sunlight is absent
(iv) Chlorophyll is absent
Answer: (ii) Carbon dioxide is absorbed by potassium hydroxide
Q.4 Assertion (A): Diffusion is insufficient to meet the oxygen requirements of multicellular organisms like humans.
Reason (R): In multicellular organisms, all cells are not in direct contact with the external environment.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.5 Which of the following events occurs during photosynthesis?
(i) Absorption of light energy by chlorophyll
(ii) Conversion of light energy into chemical energy
(iii) Reduction of carbon dioxide to carbohydrates
(iv) All of the above
Answer: (iv) All of the above
Q.6 In human beings, the enzyme present in saliva that acts on starch is —
(i) Pepsin
(ii) Trypsin
(iii) Salivary amylase
(iv) Lipase
Answer: (iii) Salivary amylase
Q.7 Match the following:
List I | List II
(a) Villi | (1) Exchange of gases
(b) Alveoli | (2) Absorption of digested food
(c) Nephron | (3) Filtration of blood
(d) Stomata | (4) Exchange of gases in plants
Options:
(i) (a-2), (b-1), (c-3), (d-4)
(ii) (a-1), (b-2), (c-4), (d-3)
(iii) (a-3), (b-4), (c-1), (d-2)
(iv) (a-2), (b-3), (c-1), (d-4)
Answer: (i) (a-2), (b-1), (c-3), (d-4)
Q.8 During aerobic respiration, the breakdown of pyruvate takes place in the —
(i) Cytoplasm
(ii) Nucleus
(iii) Mitochondria
(iv) Chloroplast
Answer: (iii) Mitochondria
Q.9 When yeast is added to sugar solution and the gas produced is passed into lime water, the lime water turns milky due to the presence of —
(i) Oxygen
(ii) Nitrogen
(iii) Carbon dioxide
(iv) Hydrogen
Answer: (iii) Carbon dioxide
Q.10 Assertion (A): Separation of oxygenated and deoxygenated blood in mammals is necessary.
Reason (R): Mammals require high energy to maintain constant body temperature.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
(i) Digest fats
(ii) Create an acidic medium for pepsin
(iii) Neutralise bile juice
(iv) Absorb digested food
Answer: (ii) Create an acidic medium for pepsin
Q.12 The finger-like projections present in the inner lining of the small intestine which increase the surface area for absorption are called —
(i) Alveoli
(ii) Nephrons
(iii) Villi
(iv) Stomata
Answer: (iii) Villi
Q.13 Assertion (A): During sudden vigorous activity, cramps may occur in muscles.
Reason (R): Pyruvate is converted into lactic acid in the absence of sufficient oxygen.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.14 In fishes, oxygen is absorbed from water through —
(i) Lungs
(ii) Gills
(iii) Skin
(iv) Trachea
Answer: (ii) Gills
Q.15 Which of the following carries oxygen in human blood?
(i) Plasma
(ii) Platelets
(iii) Haemoglobin
(iv) Lymph
Answer: (iii) Haemoglobin
Q.16 Match the following:
List I | List II
(a) Arteries | (1) Bring blood back to heart
(b) Veins | (2) Carry blood away from heart
(c) Capillaries | (3) Exchange of materials
(d) Platelets | (4) Help in clotting
Options:
(i) (a-2), (b-1), (c-3), (d-4)
(ii) (a-1), (b-2), (c-4), (d-3)
(iii) (a-3), (b-4), (c-1), (d-2)
(iv) (a-2), (b-3), (c-1), (d-4)
Answer: (i) (a-2), (b-1), (c-3), (d-4)
Q.17 Double circulation in human beings means that —
(i) Blood passes through the heart once in a cycle
(ii) Blood passes through the heart twice in a cycle
(iii) Blood flows in two directions at the same time
(iv) Blood mixes completely in the heart
Answer: (ii) Blood passes through the heart twice in a cycle
Q.18 In plants, water and minerals are transported from roots to leaves by —
(i) Phloem
(ii) Xylem
(iii) Stomata
(iv) Companion cells
Answer: (ii) Xylem
Q.19 Assertion (A): Transpiration helps in the upward movement of water in plants.
Reason (R): Evaporation of water from leaves creates a suction that pulls water upward.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.20 In plants, translocation of food occurs through —
(i) Xylem vessels
(ii) Tracheids
(iii) Phloem
(iv) Root hairs
Answer: (iii) Phloem
Q.21 The filtration units present in the kidneys are called —
(i) Alveoli
(ii) Villi
(iii) Nephrons
(iv) Capillaries
Answer: (iii) Nephrons
Q.22 In the kidney, selective reabsorption of glucose, amino acids, salts and water occurs in the —
(i) Urinary bladder
(ii) Ureter
(iii) Tubule of nephron
(iv) Urethra
Answer: (iii) Tubule of nephron
Q.23 Assertion (A): The amount of urine produced depends on the amount of water present in the body.
Reason (R): A major amount of water from the filtrate is selectively reabsorbed in the kidney tubules.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.24 Artificial kidney works on the principle of —
(i) Active transport
(ii) Diffusion
(iii) Osmosis only
(iv) Translocation
Answer: (ii) Diffusion
Q.25 Which of the following is a nitrogenous waste removed by human kidneys?
(i) Carbon dioxide
(ii) Oxygen
(iii) Urea
(iv) Glucose
Answer: (iii) Urea
Q.26 Match the following:
List I | List II
(a) Xylem | (1) Transport of food
(b) Phloem | (2) Transport of water
(c) Alveoli | (3) Exchange of gases
(d) Haemoglobin | (4) Oxygen transport
Options:
(i) (a-2), (b-1), (c-3), (d-4)
(ii) (a-1), (b-2), (c-4), (d-3)
(iii) (a-3), (b-4), (c-1), (d-2)
(iv) (a-2), (b-3), (c-1), (d-4)
Answer: (i) (a-2), (b-1), (c-3), (d-4)
Q.27 The force that blood exerts against the wall of a vessel is called —
(i) Heart beat
(ii) Pulse rate
(iii) Blood pressure
(iv) Double circulation
Answer: (iii) Blood pressure
Q.28 Assertion (A): Arteries have thick and elastic walls.
Reason (R): Blood flows through arteries under high pressure.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.29 In plants, the loss of water in the form of vapour from aerial parts is called —
(i) Translocation
(ii) Respiration
(iii) Transpiration
(iv) Diffusion
Answer: (iii) Transpiration
Q.30 Lymph differs from blood plasma because it —
(i) Contains more proteins
(ii) Is colourless and contains less protein
(iii) Contains haemoglobin
(iv) Has platelets
Answer: (ii) Is colourless and contains less protein
Q.31 In single-celled organisms like Amoeba, food is taken in by —
(i) Cilia
(ii) Pseudopodia
(iii) Stomata
(iv) Villi
Answer: (ii) Pseudopodia
Q.32 In Paramoecium, food is taken in at a specific spot with the help of —
(i) Flagella
(ii) Pseudopodia
(iii) Cilia
(iv) Tentacles
Answer: (iii) Cilia
Q.33 Assertion (A): Autotrophs use carbon dioxide and water to prepare carbohydrates.
Reason (R): Chlorophyll absorbs light energy required for photosynthesis.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (ii) Both A and R are true but R is not the correct explanation of A
Q.34 The opening and closing of stomatal pores is controlled by —
(i) Veins
(ii) Chloroplasts
(iii) Guard cells
(iv) Xylem
Answer: (iii) Guard cells
Q.35 In human beings, peristaltic movement helps in —
(i) Mixing blood
(ii) Moving food along the alimentary canal
(iii) Absorbing oxygen
(iv) Filtering urine
Answer: (ii) Moving food along the alimentary canal
Q.36 Which of the following enzymes is present in pancreatic juice for digesting proteins?
(i) Pepsin
(ii) Lipase
(iii) Trypsin
(iv) Amylase
Answer: (iii) Trypsin
Q.37 Match the following:
List I | List II
(a) Pepsin | (1) Digestion of fats
(b) Lipase | (2) Digestion of proteins
(c) Salivary amylase | (3) Digestion of starch
(d) Bile salts | (4) Emulsification of fats
Options:
(i) (a-2), (b-1), (c-3), (d-4)
(ii) (a-1), (b-2), (c-4), (d-3)
(iii) (a-3), (b-4), (c-1), (d-2)
(iv) (a-2), (b-3), (c-1), (d-4)
Answer: (i) (a-2), (b-1), (c-3), (d-4)
Q.38 In anaerobic respiration in yeast, pyruvate is converted into —
(i) Lactic acid only
(ii) Ethanol and carbon dioxide
(iii) Water and carbon dioxide
(iv) Glucose
Answer: (ii) Ethanol and carbon dioxide
Q.39 The energy released during respiration is stored in the form of —
(i) ADP
(ii) ATP
(iii) AMP
(iv) NADP
Answer: (ii) ATP
Q.40 Assertion (A): Plants have lower energy needs compared to animals.
Reason (R): Many plant tissues consist of dead cells and plants do not move.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.41 In human beings, the respiratory pigment present in red blood corpuscles is —
(i) Plasma
(ii) Haemoglobin
(iii) Lymph
(iv) Platelets
Answer: (ii) Haemoglobin
Q.42 During breathing in humans, the chest cavity increases in volume because —
(i) Ribs move down and diaphragm becomes dome-shaped
(ii) Ribs move up and diaphragm flattens
(iii) Ribs remain fixed
(iv) Diaphragm moves upward
Answer: (ii) Ribs move up and diaphragm flattens
Q.43 Assertion (A): During the day, plants do not release carbon dioxide in large amounts.
Reason (R): Carbon dioxide produced during respiration is used up in photosynthesis.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.44 Which of the following statements about veins is correct?
(i) They carry blood away from the heart
(ii) They have thick elastic walls
(iii) They contain valves to prevent backflow of blood
(iv) Blood flows in them under high pressure
Answer: (iii) They contain valves to prevent backflow of blood
Q.45 The muscular organ which pumps blood throughout the body is —
(i) Lung
(ii) Kidney
(iii) Heart
(iv) Liver
Answer: (iii) Heart
Q.46 Match the following:
List I | List II
(a) Ureter | (1) Stores urine
(b) Urinary bladder | (2) Carries urine from kidney to bladder
(c) Urethra | (3) Releases urine outside
(d) Kidney | (4) Produces urine
Options:
(i) (a-2), (b-1), (c-3), (d-4)
(ii) (a-1), (b-2), (c-4), (d-3)
(iii) (a-3), (b-4), (c-1), (d-2)
(iv) (a-2), (b-3), (c-1), (d-4)
Answer: (i) (a-2), (b-1), (c-3), (d-4)
Q.47 In plants, the upward movement of water is mainly driven during the day by —
(i) Root pressure
(ii) Transpiration pull
(iii) Diffusion
(iv) Translocation
Answer: (ii) Transpiration pull
Q.48 Which of the following is stored in plant tissues as waste products?
(i) Resins and gums
(ii) Glucose
(iii) Starch
(iv) Chlorophyll
Answer: (i) Resins and gums
Q.49 Assertion (A): Capillaries have walls that are one cell thick.
Reason (R): Exchange of materials between blood and tissues takes place through them.
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A
(iii) A is true but R is false
(iv) A is false but R is true
Answer: (i) Both A and R are true and R is the correct explanation of A
Q.50 In plants, sucrose is transported through phloem by using energy from —
(i) ADP
(ii) ATP
(iii) Oxygen
(iv) Chlorophyll
Answer: (ii) ATP
SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions for HSLC Exam 2026–27
The SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions provided here are prepared according to the latest SEBA (ASSEB) syllabus 2026–27. These SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions include conceptual MCQs, short answer questions, and long answer questions aligned with the HSLC exam pattern.
As per the latest HSLC structure, students must answer 45 MCQs. Therefore, regular practice of SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions ensures better preparation for MCQ-based and diagram-based questions.
The SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions cover nutrition in plants and humans, aerobic and anaerobic respiration, transportation of water and nutrients, circulation of blood, and excretion processes. Continuous revision using SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions improves conceptual clarity and answer presentation.
These Class 10 Life Processes Important Questions with MCQs are ideal for final revision. Consistent practice of SEBA Class 10 Science Chapter 6 Life Processes Important Extra Questions strengthens exam confidence and scoring ability.
Frequently Asked Questions (FAQ)
1. Why is Chapter 6 Life Processes important for HSLC exam?
This chapter explains nutrition, respiration, transportation, and excretion which are frequently asked in HSLC Science exams.
2. How many MCQs are asked in HSLC Science exam?
Students must answer 45 MCQs as per the latest HSLC Science examination pattern.
3. Are MCQs included in Life Processes important questions?
Yes, important conceptual and diagram-based MCQs are included as per the updated exam pattern.
4. Are these questions based on SEBA syllabus?
Yes, all questions are prepared strictly according to the latest SEBA (ASSEB) syllabus for 2026–27.
5. Do these include previous year questions?
Yes, previous year questions are included to help students understand HSLC exam trends.
6. Which topics are covered in Chapter 6?
Topics include modes of nutrition, respiration, blood circulation, transportation in plants, and excretion in humans.
7. Can practising these improve exam performance?
Yes, regular revision improves conceptual clarity, diagram accuracy, and MCQ performance in the HSLC examination.
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