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MCQs

Total Questions : 391 | Page 39 of 40 pages
Question 381. Chemically DNA differs from RNA by __________________?
  1.    Thymine present in DNA and Uralic in RNA
  2.    Deoxyribose and thymine is present in DNA and ribose and Ural in RNA
  3.    Ribose and thymine in DNA and deoxyribose and uracil in RNA
  4.    Deoxyribose in DNA and ribose in RNA
 Discuss Question
Answer: Option B. -> Deoxyribose and thymine is present in DNA and ribose and Ural in RNA
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 382. Electron microscope was invented by _________________?
  1.    Knoll and Risks
  2.    Schwaan
  3.    Sigmund
  4.    Robert Hook
 Discuss Question
Answer: Option A. -> Knoll and Risks
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 383. Who discovered mitochondria__________________?
  1.    Palade
  2.    Altmann
  3.    Cowdry
  4.    Garner
 Discuss Question
Answer: Option B. -> Altmann
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 384. Which part of cell is important for and synthesis protoplasm ______________________?
  1.    Mitochondria
  2.    Nucleus
  3.    Chloroplast
  4.    Chromosomes
 Discuss Question
Answer: Option B. -> Nucleus
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 385. Plastids bring about___________________?
  1.    Secretion
  2.    Respiration
  3.    Excretion
  4.    Conversion of light energy into chemical energy
 Discuss Question
Answer: Option D. -> Conversion of light energy into chemical energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 386. Ribosomes are important because they help in __________________?
  1.    Movement
  2.    Respiration
  3.    Protein synthesis
  4.    Growl
 Discuss Question
Answer: Option C. -> Protein synthesis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 387. Carbohydrates synthesis is carried out by ___________________?
  1.    Ribosomes
  2.    Golgi bodies
  3.    Mitochondria
  4.    Plastid
 Discuss Question
Answer: Option D. -> Plastid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 388. Which of the cell organelle is considered to be rich in catabolic enzymes_____________________?
  1.    Golgi bodies
  2.    Mitochondria
  3.    Lysosome
  4.    Endoplasmic reticulum
 Discuss Question
Answer: Option B. -> Mitochondria
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 389. The diameter of mitochondria is __________________?
  1.    2-4 micron
  2.    1-4 micron
  3.    0.5-2 micron
  4.    40-70 micron
 Discuss Question
Answer: Option C. -> 0.5-2 micron
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 390. The cellular structure which always disappears during mitosis is___________________?
  1.    Plastids
  2.    Protoplasm
  3.    Membrane
  4.    Nuclear and membrane
 Discuss Question
Answer: Option D. -> Nuclear and membrane
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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