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CBSE Class 10 Life Processes in Living Organisms Part 1 — practice questions — page 3

Explore 103 free Life Processes in Living Organisms Part 1 questions in CBSE Class 10 Science. Open each question or exercise to read its content, reference answers and available explanation.

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Life Processes in Living Organisms Part 1 questions and exercises with answers

Showing questions 61–90 of 103.

The filtration units of kidneys are calledRead the answer and worked solution →The blood leaving the tissues becomes richer inRead the answer and worked solution →Which of the following is an incorrect statement?Read the answer and worked solution →The internal (cellular) energy reserve in autotrophs isRead the answer and worked solution →Choose the event that does not occur in photosynthesisRead the answer and worked solution →The opening and closing of the stomatal pore depends uponRead the answer and worked solution →Which is the first enzyme to mix with food in the digestive tract?Read the answer and worked solution →Lack of oxygen in muscles often leads to cramps among cricketers. This results due toRead the answer and worked solution →Choose the correct path of urine in our bodyRead the answer and worked solution →During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in theRead the answer and worked solution →Life processes, block by blockRead the answer and worked solution →The process by which autotrophs make their own food is:Read the answer and worked solution →The raw materials for photosynthesis are water and:Read the answer and worked solution →Which pigment is essential for photosynthesis?Read the answer and worked solution →Tiny pores on the surface of leaves are called:Read the answer and worked solution →Besides leaves, gas exchange also occurs across stems and:Read the answer and worked solution →Which of these gets its food as a fungus does?Read the answer and worked solution →The enzyme in saliva that breaks down starch is:Read the answer and worked solution →The stomach releases mucus, pepsin and:Read the answer and worked solution →The acidic medium in the stomach helps the action of:Read the answer and worked solution →What protects the stomach lining from its own acid?Read the answer and worked solution →Complete digestion of carbohydrates, proteins and fats happens in the:Read the answer and worked solution →Food from the stomach must be made alkaline for enzymes from the:Read the answer and worked solution →Which pancreatic enzyme digests proteins?Read the answer and worked solution →Finger-like projections that increase absorbing surface are:Read the answer and worked solution →The breakdown of glucose to pyruvate happens in the:Read the answer and worked solution →Pyruvate turning into ethanol and carbon dioxide happens in:Read the answer and worked solution →Respiration in the absence of oxygen is called:Read the answer and worked solution →Breakdown of pyruvate using oxygen takes place in the:Read the answer and worked solution →Aerobic respiration releases energy that is:Read the answer and worked solution →

Worked practice questions

The filtration units of kidneys are called

  1. ureter
  2. urethra
  3. nephrons
  4. neurons
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Correct answer: C. nephrons

This Life Processes item tests a core Biology concept. Correct answer: nephrons. _Source: syllabus Exemplar Science Class 10_

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The blood leaving the tissues becomes richer in

  1. water
  2. heamoglobin
  3. oxygen
  4. carbon dioxide
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Correct answer: D. carbon dioxide

This Life Processes item tests a core Biology concept. Correct answer: carbon dioxide. _Source: syllabus Exemplar Science Class 10_

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Which of the following is an incorrect statement?

  1. Movement of molecules does not take place among cells
  2. Organisms grow with time
  3. Organisms must repair and maintain their structure
  4. Energy is essential for life processes
Show answer and solution

Correct answer: A. Movement of molecules does not take place among cells

This Life Processes item tests a core Biology concept. Correct answer: Movement of molecules does not take place among cells. _Source: syllabus Exemplar Science Class 10_

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More Science topics

Refraction of Light and LensesEffects of Electric CurrentChemical Reactions and EquationsLife Processes in Living Organisms Part 2Metals and Non-metalsEnvironmental & Disaster ManagementAcids, Bases and SaltsCarbon Compounds