M.I.S.CLASSES

Tuesday, 6 January 2026

MCQ OF TRANSPORTATION CLASS 10 BIOLOGY

Here are 30 MCQ questions on “Transportation in Plants and Animals” (Class 10 Biology), designed in a previous-year–question style with a stylish, exam-ready format 🌿🩸

🚍 TRANSPORTATION IN PLANTS & ANIMALS – MCQs

Class 10 Biology | Board-Oriented Questions

🌱 Transportation in Plants

1. Which tissue is responsible for the transport of food in plants?
A. Xylem
B. Phloem
C. Cambium
D. Cortex

2. Water absorption in plants mainly occurs through:
A. Root cap
B. Root hair
C. Stem
D. Leaves

3. Which component of xylem is living?
A. Tracheids
B. Vessels
C. Xylem fibres
D. Xylem parenchyma

4. Transpiration helps in:
A. Cooling of plant
B. Absorption of water
C. Transport of minerals
D. All of the above

5. The upward movement of water in tall trees is mainly due to:
A. Root pressure
B. Capillary action
C. Transpiration pull
D. Diffusion

6. Which element is essential for the opening and closing of stomata?
A. Calcium
B. Potassium
C. Magnesium
D. Iron

7. Food is transported in plants in the form of:
A. Starch
B. Glucose
C. Sucrose
D. Cellulose

8. The loss of water in liquid form from plant surface is called:
A. Transpiration
B. Evaporation
C. Guttation
D. Diffusion

9. Which force is responsible for the ascent of sap?
A. Root pressure only
B. Transpiration pull
C. Osmosis
D. Active transport

10. Phloem transport is called:
A. Diffusion
B. Translocation
C. Absorption
D. Assimilation

🩸 Transportation in Animals (Humans)

11. Which component of blood helps in clotting?
A. RBC
B. WBC
C. Plasma
D. Platelets

12. The liquid part of blood is called:
A. Serum
B. Plasma
C. Lymph
D. Platelets

13. Which blood group is called the universal donor?
A. A
B. B
C. AB
D. O

14. Which chamber of the heart pumps oxygenated blood to the body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle

15. The valve between left atrium and left ventricle is:
A. Tricuspid valve
B. Semilunar valve
C. Bicuspid valve
D. Pulmonary valve

16. Which vessel carries blood away from the heart?
A. Vein
B. Capillary
C. Artery
D. Lymph vessel

17. Which pigment is present in RBCs?
A. Melanin
B. Haemoglobin
C. Chlorophyll
D. Carotene

18. Which blood cells fight infections?
A. RBC
B. Platelets
C. WBC
D. Plasma

19. The normal heartbeat rate of an adult is about:
A. 40–50 bpm
B. 60–80 bpm
C. 90–100 bpm
D. 110–120 bpm

20. Which type of circulation occurs twice in one complete cycle?
A. Single circulation
B. Open circulation
C. Double circulation
D. Incomplete circulation

💧 Lymph & Circulation

21. Lymph is similar to blood plasma but lacks:
A. WBC
B. Platelets
C. RBC
D. Plasma

22. Which vessel has the thinnest walls?
A. Artery
B. Vein
C. Capillary
D. Aorta

23. Which organ purifies blood in humans?
A. Heart
B. Lungs
C. Liver
D. Kidneys

24. Blood pressure is measured using:
A. Thermometer
B. Barometer
C. Sphygmomanometer
D. Hygrometer

25. Which circulation is present in fish?
A. Double circulation
B. Open circulation
C. Single circulation
D. Closed circulation

🧠 Application-Based / HOTS

26. If phloem is removed from a plant, what will be affected first?
A. Water transport
B. Mineral transport
C. Food transport
D. Transpiration

27. Which condition is caused due to deficiency of haemoglobin?
A. Diabetes
B. Anaemia
C. Goitre
D. Scurvy

28. Which blood vessel contains valves?
A. Artery
B. Capillary
C. Vein
D. Aorta

29. Transpiration is fastest during:
A. Night
B. Early morning
C. Afternoon
D. Rainy season

30. Which part of the heart prevents mixing of oxygenated and deoxygenated blood?
A. Valves
B. Septum
C. Auricle
D. Ventricles

✅ ANSWER KEY

Sunday, 4 January 2026

MCQ OF RESPIRATION CLASS 10

MCQs from the topic “Respiration” (Class 10 Biology, CBSE Board) based on PYQ (Previous Year Question) patterns.

🔬 Respiration – Class 10 Biology MCQs (CBSE PYQ Type)

1. Respiration is a process of:

A. Release of energy
B. Intake of oxygen
C. Breakdown of food
D. All of the above

2. The energy released during respiration is stored in the form of:

A. ADP
B. ATP
C. AMP
D. NADH

3. Which gas is released during aerobic respiration?

A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen

4. The first step of respiration is:

A. Krebs cycle
B. Glycolysis
C. Electron transport chain
D. Fermentation

5. Glycolysis takes place in:

A. Mitochondria
B. Nucleus
C. Cytoplasm
D. Ribosome

6. End products of aerobic respiration are:

A. Ethanol and CO₂
B. Lactic acid
C. CO₂ and H₂O
D. Glucose and oxygen

7. Anaerobic respiration in yeast produces:

A. Lactic acid
B. Ethanol and CO₂
C. Pyruvate
D. Acetic acid

8. Which organism performs anaerobic respiration?

A. Human
B. Fish
C. Yeast
D. Frog

9. Breakdown of glucose into pyruvate is called:

A. Fermentation
B. Glycolysis
C. Oxidation
D. Diffusion

10. How many ATP molecules are produced in aerobic respiration?

A. 2
B. 4
C. 36–38
D. 10

11. Muscle cramps are caused due to accumulation of:

A. Ethanol
B. CO₂
C. Lactic acid
D. Pyruvate

12. Which structure is called the “powerhouse of the cell”?

A. Nucleus
B. Ribosome
C. Chloroplast
D. Mitochondria

13. Respiration occurs:

A. Only during day
B. Only during night
C. Only in plants
D. All the time

14. In anaerobic respiration, the final electron acceptor is:

A. Oxygen
B. Glucose
C. Pyruvate
D. Carbon dioxide

15. Which step of respiration does not require oxygen?

A. Krebs cycle
B. Glycolysis
C. ETS
D. Oxidative phosphorylation

16. Which of the following is NOT a product of respiration?

A. Energy
B. CO₂
C. Water
D. Oxygen

17. Exchange of gases in humans occurs in:

A. Bronchi
B. Trachea
C. Alveoli
D. Larynx

18. Respiration is a:

A. Physical process
B. Chemical process
C. Mechanical process
D. Diffusion process

19. During heavy exercise, muscles respire anaerobically due to lack of:

A. Food
B. Glucose
C. Oxygen
D. Water

20. Which part of mitochondria contains enzymes for respiration?

A. Outer membrane
B. Inner membrane
C. Cristae
D. Matrix

21. The process of breathing is controlled by:

A. Heart
B. Brain
C. Lungs
D. Diaphragm

22. Which blood cells help in transport of oxygen?

A. WBC
B. Platelets
C. RBC
D. Plasma

23. Respiration in plants occurs through:

A. Roots only
B. Leaves only
C. Stomata and lenticels
D. Flowers

24. The process of releasing energy from food is called:

A. Nutrition
B. Respiration
C. Digestion
D. Excretion

25. Which gas is essential for aerobic respiration?

A. CO₂
B. Hydrogen
C. Oxygen
D. Nitrogen

26. In which respiration more energy is released?

A. Anaerobic
B. Aerobic
C. Both same
D. None

27. The end product of anaerobic respiration in muscles is:

A. Ethanol
B. Lactic acid
C. CO₂
D. Acetic acid

28. Breathing rate increases during exercise to:

A. Remove nitrogen
B. Take in more oxygen
C. Remove water
D. Reduce CO₂ only

29. Which enzyme helps in cellular respiration?

A. Amylase
B. Pepsin
C. Catalase
D. Respiratory enzymes

30. Which statement is correct?

A. Respiration occurs only in animals
B. Respiration and breathing are same
C. Respiration releases energy
D. Respiration stops during sleep

✅ Answer Key

MCQ OF NUTRITION CLASS 10

Check your knowledge by trying this mcq question on topic Nutrition of class 10 board level

MCQs on Nutrition – Class 10

The process by which organisms take in food and utilize it is called
a) Respiration
b) Nutrition
c) Excretion
d) Digestion
Which of the following is an autotrophic mode of nutrition?
a) Parasitic
b) Holozoic
c) Saprophytic
d) Photosynthetic
Green plants prepare their food by the process of
a) Respiration
b) Transpiration
c) Photosynthesis
d) Digestion
Which gas is taken in by plants during photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
The pigment required for photosynthesis is
a) Carotene
b) Xanthophyll
c) Chlorophyll
d) Anthocyanin
Which part of the plant mainly carries out photosynthesis?
a) Root
b) Stem
c) Flower
d) Leaf
The mode of nutrition in Amoeba is
a) Autotrophic
b) Saprophytic
c) Parasitic
d) Holozoic
In humans, digestion of carbohydrates begins in the
a) Stomach
b) Mouth
c) Small intestine
d) Large intestine
Which enzyme is present in saliva?
a) Pepsin
b) Trypsin
c) Amylase
d) Lipase
The function of bile is to
a) Digest proteins
b) Digest carbohydrates
c) Emulsify fats
d) Digest vitamins
Which organ produces bile?
a) Pancreas
b) Stomach
c) Liver
d) Gall bladder
The partially digested food in the stomach is called
a) Bolus
b) Chyme
c) Faeces
d) Pulp
Which enzyme digests proteins in the stomach?
a) Amylase
b) Pepsin
c) Lipase
d) Trypsin
The inner lining of the small intestine has finger-like projections called
a) Alveoli
b) Nephrons
c) Villi
d) Cilia
Villi increase the surface area for
a) Digestion
b) Respiration
c) Absorption
d) Excretion
The end products of protein digestion are
a) Fatty acids
b) Glucose
c) Amino acids
d) Glycerol
Which nutrient provides the most energy?
a) Proteins
b) Vitamins
c) Carbohydrates
d) Fats
The digestion of fats mainly occurs in the
a) Stomach
b) Mouth
c) Small intestine
d) Large intestine
Which of the following is a saprophyte?
a) Cuscuta
b) Mushroom
c) Lice
d) Human
Cuscuta shows which type of nutrition?
a) Autotrophic
b) Saprophytic
c) Parasitic
d) Holozoic
The process of taking undigested food out of the body is called
a) Excretion
b) Assimilation
c) Egestion
d) Absorption
Which acid is present in the stomach?
a) Sulphuric acid
b) Nitric acid
c) Hydrochloric acid
d) Acetic acid
The pancreas secretes
a) Bile
b) Saliva
c) Digestive enzymes
d) Mucus
Which vitamin is synthesized in the human body by sunlight?
a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D
The large intestine mainly absorbs
a) Nutrients
b) Fats
c) Proteins
d) Water
The energy currency of the cell is
a) DNA
b) ATP
c) RNA
d) Enzyme
The food vacuole in Amoeba helps in
a) Respiration
b) Digestion
c) Movement
d) Excretion
Which of the following is not a function of food?
a) Energy supply
b) Growth
c) Repair
d) Reproduction
Photosynthesis takes place in
a) Mitochondria
b) Ribosome
c) Chloroplast
d) Nucleus
The balanced diet contains
a) Only carbohydrates
b) Only proteins
c) All nutrients in proper proportion
d) Only fats

Answersheet

1(B) , 2(D) ,3(C) , 4(C) , 5(C) , 6(D) , 7(D) , 8(B) ,9(C) , 10(C) , 11(C) ,12(B) , 13(B) ,14(C) , 15(C) , 16(C) , 17(D), 18(C) , 19(B), 20(C) , 21(C), 22(C) , 23(C) ,24(D), 25(D), 26(B) , 27(B), 28(D) , 29(C), 30(C)

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