GK-Biology Question and Answer
GK-Biology Question and Answer
51. Monocot root differs from dicot root in having
- open vascular bundles
- scattered vascular bundles
- well developed pith
- radially arranged vascular bundles
52. Radioactivity is a phenomenon of the spontaneous emission of
- protons (alpha particles)
- electrons (beta particles)
- gamma rays (short wave electromagnetic waves)
- All of the above
53. Organic Substances which, in very small amounts, control growth and development called
- vitamins
- hormones
- enzymes
- None of the above
54. Our major foods, fibres, spices, fruits and beverage crops are
- flowering plants
- gymnosperms plants
- pteridophytes
- bryophytes
55. Movements due to light are shown by
- flowering plants
- lower plants
- all land plants
- all the plants
60. Rain water helps to increase the ____ to some extent.
- phosphorous contents
- nitrogen contents
- calcium contents
- potash contents