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MCQs

Total Questions : 219 | Page 1 of 22 pages
Question 1. At which temperature enzyme works best?
  1.    highest temperature
  2.    lowest temperature
  3.    optimum temperature
  4.    medium temperature
 Discuss Question
Answer: Option C. -> optimum temperature
Answer: (c).optimum temperature
Question 2. Which of the following was first examined under a microscope that later led to the discovery of cells?
  1.    Honeycomb
  2.    Cork
  3.    Drosophila
  4.    Dead leaves
 Discuss Question
Answer: Option B. -> Cork
Answer: (b).Cork
Question 3. Initial free energy required to start reaction is called
  1.    initial energy
  2.    activation energy
  3.    free energy
  4.    first energy
 Discuss Question
Answer: Option B. -> activation energy
Answer: (b).activation energy
Question 4. In which of following, enzymes for cellular respiration is present?
  1.    endoplasmic reticulum
  2.    mitochondria
  3.    lysosomes
  4.    nucleus
 Discuss Question
Answer: Option B. -> mitochondria
Answer: (b).mitochondria
Question 5. Temperature at which most of thermophilic bacterial enzymes work best is approximately
  1.    100 °C and above
  2.    70 °C and above
  3.    20 °C and above
  4.    10 °C and above
 Discuss Question
Answer: Option B. -> 70 °C and above
Answer: (b).70 °C and above
Question 6. Microvilli are composed of ____________
  1.    red blood cells
  2.    myosin
  3.    white blood cells
  4.    actin
 Discuss Question
Answer: Option D. -> actin
Answer: (d).actin
Question 7. In cellular division, one cell gives rise to two daughter cells containing equal volume. However such a case of regular division is not observed in ________________
  1.    White blood cells
  2.    Liver cells
  3.    Oocytes
  4.    Red blood cells
 Discuss Question
Answer: Option C. -> Oocytes
Answer: (c).Oocytes
Question 8. In humans, glucose in the body is released by _____________
  1.    Intestine
  2.    Kidney
  3.    Liver
  4.    Lungs
 Discuss Question
Answer: Option C. -> Liver
Answer: (c).Liver
Question 9. Which organelle is located at the basal end of epithelial cells lining the intestine?
  1.    Mitochondria
  2.    Nucleus
  3.    Golgi complex
  4.    Cilia
 Discuss Question
Answer: Option A. -> Mitochondria
Answer: (a).Mitochondria
Question 10. Light energy is converted to chemical energy by photosynthesis and is stored in________________
  1.    Glial cells
  2.    Mitochondria
  3.    Proteins
  4.    Carbohydrates
 Discuss Question
Answer: Option D. -> Carbohydrates
Answer: (d).Carbohydrates

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