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MCQs 1: Chemically DNA differs from RNA by __________________?

Thymine present in DNA and Uralic in RNA Deoxyribose and thymine is present in DNA and ribose and Ural in RNA Ribose and thymine in DNA and deoxyribose and uracil in RNA Deoxyribose in DNA and ribose in RNA
Answer Explanation

MCQs 2: Electron microscope was invented by _________________?

Knoll and Risks Schwaan Sigmund Robert Hook
Answer Explanation

MCQs 3: Ribosomes are important because they help in __________________?

Movement Respiration Protein synthesis Growl
Answer Explanation

MCQs 4: Who discovered mitochondria__________________?

Palade Altmann Cowdry Garner
Answer Explanation

MCQs 5: Plastids bring about___________________?

Secretion Respiration Excretion Conversion of light energy into chemical energy
Answer Explanation

MCQs 6: Which part of cell is important for and synthesis protoplasm ______________________?

Mitochondria Nucleus Chloroplast Chromosomes
Answer Explanation

MCQs 7: Carbohydrates synthesis is carried out by ___________________?

Ribosomes Golgi bodies Mitochondria Plastid
Answer Explanation

MCQs 8: Which of the cell organelle is considered to be rich in catabolic enzymes_____________________?

Golgi bodies Mitochondria Lysosome Endoplasmic reticulum
Answer Explanation

MCQs 9: The diameter of mitochondria is __________________?

2-4 micron 1-4 micron 0.5-2 micron 40-70 micron
Answer Explanation

MCQs 10: The cellular structure which always disappears during mitosis is___________________?

Plastids Protoplasm Membrane Nuclear and membrane
Answer Explanation

MCQs 11: Which statement is true___________________?

Etiolation is not a reversible process Etiolation is genetically while albinism is physiological Etiolation is physiological while albinism is genitival Etiolation and albinism are synonyms
Answer Explanation

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