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?
- 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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