Tuesday, June 6, 2017

CBSE Class 10 - Biology - Life Processes - 51 Questions You must Revise (#cbseNotes)

51 Questions You must Revise

(Revision Questions based on NCERT Chapter)
CBSE Class 10 - Biology - Life Processes - 51 Questions You must Revise (#cbseNotes)

Q1: Define nutrition.

Q2: Is the presence of only one life process sufficient to decide whether an object is living or non-living?

Q3: Explain the types of heterotrophic nutrition on the basis of food habit.

Q4: What is the role of iodine solution in activity 6.1?

Q5: Give scientific reason. Unwanted and harmful waste products need to be eliminated from the body.

Q6: What is the role of KOH in activity 6.2?

Q7: What is the function of pancreas in human digestive system?

Q8: How are fats digested in the human body ?

Q9: How do guard cells regulate the opening and closing of stomatal pore. Explain with diagram.

Q10: Explain the role of bile juice in digestion of food.

Q11: What are villi? Mention their function.

Q12: What are peristaltic movements?

Q13: Why is small intestine in herbivores longer than in carnivores?

Q14: What happens when mucus is not secreted by gastric glands?

Q15: Name the three gastric juices released by the gastric glands in the stomach.

Q16: Why rate of breathing in aquatic organisms much faster than that in terrestrial organisms?

Q17: Differentiate between Photosynthesis and Respiration.

Q18: Why do walls of trachea not collapse when there is less air in it?

Q19: When a sportsman runs, he gets muscle cramps. Why?

Q20: Which is the universal source of energy in all cells?

Q21: Why desert plants take CO₂ at night time?

Q22: Explain the mechanism of exchange of gases.

Q23: Draw the flowchart of various pathways of glucose breakdown.

Q24: Why does breathing rate increase during vigorous exercising?

Q25: Why carbon dioxide is transported in dissolved form in our blood as compared to oxygen?

Q26: Explain the mechanism of breathing in detail.

Q27: Name the air passage that takes air up to the respiratory organs in human beings.

Q28: State one similarity between lungs and gills.

Q29: How do plants utilise the carbon dioxide produced during respiration?

Q30: What is the function of valves present in arteries and veins?

Q31: Explain the working of heart with diagram.

Q32: What is meant by double circulation? What is its significance?

Q33: What is the function of platelets in our blood?

Q34: Why do veins have thin walls as compared to arteries?

Q35: Why are white blood cells called soldiers of the body?

Q36: Why is it necessary to separate oxygenated and deoxygenated blood in mammals?

Q37: What is blood pressure? Which instrument is used to measure it?

Q38: What is the normal blood pressure in human beings ?

Q39: What is lymph? State the functions of lymph.

Q40: What is meant by systolic and diastolic pressure? What are their normal values?

Q41: What is transpiration? State its two functions.

Q42: Explain the processes that help in transport of water and minerals in plants.

Q43: What is translocation? Why it is essential for plants?

Q44: Explain the human excretory system with diagram.

Q45: How is urine produced?

Q46: Mention the purpose of making urine?

Q47: What is the main toxic waste kidney filters from blood?

Q48: Explain the structure and functioning of nephron with diagram.

Q49: What are the methods used by plants to get rid of their waste products?

Q50: Name the factors on which amount of urine produced regulated.

Q51: Why do some people need to use a dialysis machine? What does the machine do?

 See Quiz Life Processes

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