Class XI

Which of the following can be made into crystal?
  1. A bacterium
  2. An Amoeba
  3. A virus
  4. A sperm
Chromosomes are made up of nucleic acid and ____
  1. Phosphorus
  2. Protein
  3. Sugar
  4. Calcium
Which organelle is the power house of the cells?
  1. Plastids
  2. Mitochondria
  3. Golgi
  4. Nucleus
Which organelle is considered as a suicide bag?
  1. Centrosome
  2. Mesosomes
  3. Lysosomes
  4. Chromosome
Function of centriole is
  1. formation of spindle fibre
  2. nucleolus formationation
  3. cell wall formation
  4. cell division initiation
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