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MCQs

General Biology

Total Questions : 1232 | Page 7 of 124 pages
Question 61. Saliva helps in the conversion of starch to maltose through enzyme
  1.    pancreatic amylase
  2.    pepsin
  3.    salivary amylase
  4.    maltase
 Discuss Question
Answer: Option C. -> salivary amylase
Answer: (c).salivary amylase
Question 62. Polypeptides are converted into amino acids through
  1.    pepsin
  2.    trypsin
  3.    erepsin
  4.    rennin
 Discuss Question
Answer: Option C. -> erepsin
Answer: (c).erepsin
Question 63. In ecosystem ,Silting means
  1.    trees do not retain water
  2.    eroded soil gets deposited in rivers and streams
  3.    water levels rise rapidly in rivers
  4.    all of above
 Discuss Question
Answer: Option B. -> eroded soil gets deposited in rivers and streams
Answer: (b).eroded soil gets deposited in rivers and streams
Question 64. Blue black color is produced when substance containing starch is mixed with
  1.    Biuret solution
  2.    benedict solution
  3.    iodine
  4.    alcohol
 Discuss Question
Answer: Option C. -> iodine
Answer: (c).iodine
Question 65. Galactose (C₆H₁₂O₆) and lactose (C₁₂H₂₂O₁₁) are commonly found in
  1.    animals other than mammals
  2.    mammals
  3.    microscopic organisms
  4.    plants
 Discuss Question
Answer: Option B. -> mammals
Answer: (b).mammals
Question 66. In mammals ,Glottis is a
  1.    gut
  2.    tube
  3.    cavity
  4.    slit-like opening
 Discuss Question
Answer: Option D. -> slit-like opening
Answer: (d).slit-like opening
Question 67. In leaves of grasses and maize
  1.    midrib is absent
  2.    petiole is absent
  3.    lamina is absent
  4.    leaf base is absent
 Discuss Question
Answer: Option B. -> petiole is absent
Answer: (b).petiole is absent
Question 68. To donate blood a person shall weigh a minimum of
  1.    35 kg
  2.    45 kg
  3.    55 kg
  4.    65 kg
 Discuss Question
Answer: Option B. -> 45 kg
Answer: (b).45 kg
Question 69. Four layers of gullet include
  1.    serous coat
  2.    sub mucous coat
  3.    mucous layer
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 70. Oesophagus is also called as
  1.    gut
  2.    gullet
  3.    cavity
  4.    duct
 Discuss Question
Answer: Option B. -> gullet
Answer: (b).gullet

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