Basics Of Cell Biology(Cell Biology ) Questions and Answers
Question 1. At which temperature enzyme works best?
highest temperature
lowest temperature
optimum temperature
medium temperature
Explanation:-
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?
Honeycomb
Cork
Drosophila
Dead leaves
Explanation:-
Answer: Option B. -> Cork Answer: (b).Cork
Question 3. Initial free energy required to start reaction is called
initial energy
activation energy
free energy
first energy
Explanation:-
Answer: Option B. -> activation energy Answer: (b).activation energy
Question 4. In which of following, enzymes for cellular respiration is present?
endoplasmic reticulum
mitochondria
lysosomes
nucleus
Explanation:-
Answer: Option B. -> mitochondria Answer: (b).mitochondria
Question 5. Temperature at which most of thermophilic bacterial enzymes work best is approximately
100 °C and above
70 °C and above
20 °C and above
10 °C and above
Explanation:-
Answer: Option B. -> 70 °C and above Answer: (b).70 °C and above
Question 6. Microvilli are composed of ____________
red blood cells
myosin
white blood cells
actin
Explanation:-
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 ________________
White blood cells
Liver cells
Oocytes
Red blood cells
Explanation:-
Answer: Option C. -> Oocytes Answer: (c).Oocytes
Question 8. In humans, glucose in the body is released by _____________
Intestine
Kidney
Liver
Lungs
Explanation:-
Answer: Option C. -> Liver Answer: (c).Liver
Question 9. Which organelle is located at the basal end of epithelial cells lining the intestine?
Mitochondria
Nucleus
Golgi complex
Cilia
Explanation:-
Answer: Option A. -> Mitochondria Answer: (a).Mitochondria
Question 10. Light energy is converted to chemical energy by photosynthesis and is stored in________________
Glial cells
Mitochondria
Proteins
Carbohydrates
Explanation:-
Answer: Option D. -> Carbohydrates Answer: (d).Carbohydrates