The macronutrient which is an essential component of all organic compounds, yet not obtained by plants from soil is
Options
(a) nitrogen (b) carbon (c) phosphorus (d) magnesium
Correct Answer:
carbon
Explanation:
No […]
Which of the following groups of cells in the male gonad, represent haploid cells?
Options
(a) spermatogonial cells (b) germinal epithelial cells (c) secondary spermatocytes (d) primary spermatocytes
Correct Answer:
secondary spermatocytes
Explanation: […]
Alcohol is the most socially accepted narcotic drug. Excessive consumption of alcohol leads to
Options
(a) state of hallucination (b) loss of memory (c) suppression of brain function (d) cirrhosis of liver
Correct […]
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