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General Knowledge on Biology | GK Test on Biology Page 8
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Biology

General Knowledge on Biology

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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71. Which organelle in the cell, other than nucleus, contains DNA?
72. Which one among the following is the rarest amino acid in nature?
73. The phenomenon of poly-embryony was first observed in
74. The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively which organs to discharge their secretions?
  • A. Pancreas and gall bladder
  • B. Gall bladder and stomach
  • C. Pancreas and stomach
  • D. Stomach and small intestine
  • Check Answer | Discussion
75. The placoid scales are found only in
76. Which of the following blood vessel carries the blood rich in amino acid glucose, etc from intestine to liver?
77. In sharks, there are
  • A. 4 pairs of gills covered by operculum
  • B. 4 pairs of gills without operculum.
  • C. 57 pairs of gills with operculum
  • D. 57 pairs of gills without operculum
  • Check Answer | Discussion
78. The pigment similar to animal haemoglobin in plants "leghaemoglobin" occur in
  • A. ectomycorhiza
  • B. fungi associated with gymnosperms
  • C. nodulated roots of non-legumes
  • D. Poacteriods associated with legumes
  • Check Answer | Discussion
79. Which one among the following cell organelle is associated with GERL complex?
80. The monocot plants lack the process of grafting. It is mainly due to lack of

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