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BIOLOGY MCQs

Total Questions : 2561 | Page 7 of 257 pages
Question 61. Most common disease of poultry in India is
  1.    fowl pox
  2.    tick fever
  3.    ranikhet
  4.    coryza
 Discuss Question
Answer: Option C. -> ranikhet
Question 62. Most abundant tissues of our body are
  1.    muscular
  2.    connective
  3.    epithelial
  4.    nervous
 Discuss Question
Answer: Option B. -> connective
Question 63. Mumps is a disease caused by
  1.    fungus
  2.    bacterium
  3.    virus
  4.    None of these
 Discuss Question
Answer: Option C. -> virus
Question 64. Rain water helps to increase the ____ to some extent.
  1.    phosphorous contents
  2.    nitrogen contents
  3.    calcium contents
  4.    potash contents
 Discuss Question
Answer: Option C. -> calcium contents
Question 65. Number of chromosomes in down's syndrome is
  1.    46
  2.    47
  3.    48
  4.    49
 Discuss Question
Answer: Option B. -> 47
Question 66. Plants are killed in winter by frost
  1.    because of desiccation and mechanical damage to the tissues
  2.    because no photosynthesis takes place at such low temperature
  3.    because respiration ceases at such low temperature
  4.    because there is no transpiration
 Discuss Question
Answer: Option A. -> because of desiccation and mechanical damage to the tissues
Question 67. One of the following is most suitable for study of mutations
  1.    Haploids
  2.    Diploids
  3.    Tetraploids
  4.    Polyploid
 Discuss Question
Answer: Option A. -> Haploids
Question 68. Pulses are a good source of
  1.    carbohydrates
  2.    fats
  3.    proteins
  4.    vitamins
 Discuss Question
Answer: Option C. -> proteins
Question 69. Oxygen in our blood is transported by a protein named
  1.    haemoglobin
  2.    keratin
  3.    collagen
  4.    myoglobin
 Discuss Question
Answer: Option A. -> haemoglobin
Question 70. Nymph is the name of young one of
  1.    butterfly
  2.    beetle
  3.    housefly
  4.    cockroach
 Discuss Question
Answer: Option D. -> cockroach

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