CBSE  /  Class 10  /  Science  /  Life Processes

  • 1. 
    Which of the following equations is the summary of photosynthesis?

  • 6CO
  • 6CO
  • 6CO
  • 6CO

  • 2. 
    Which is the first enzyme to mix with food i the digestive tract?

  • Pepsin
  • Cellulose
  • Amylase
  • Trypsin

  • 3. 
    Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

  • conversion of pyruvate to ethanol
  • conversion of pyruvate to glucose
  • non conversion of glucose to pyruvate
  • conversion of pyruvate to lactic acid

  • 4. 
    Choose the correct path of urine in our body

  • kidney → ureter → urethra → urinary bladder
  • kidney → urinary bladder → urethra → ureter
  • kidney → ureters → urinary bladder → urethra
  • urinary bladder → kidney → ureter → urethra
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