Pyramid of energy in a pond ecosystem is always
Pyramid of energy in a pond ecosystem is always Options (a) inverted (b) upright only (c) irregular (d) linear Correct…
6 years ago
AFMC1999
The soil particles, particularly clay and organic matter in soil contain negative
The soil particles, particularly clay and organic matter in soil contain negative charges that attract positively charged ions such as…
6 years ago
Thurioside is proteninaceous toxin obtained from
Thurioside is proteninaceous toxin obtained from Options (a) Biofertiliser (b) Green manure (c) Bacterial origin (d) Farmyard manure Correct Answer:…
6 years ago
Which of the following has the highest boiling point
Which of the following has the highest boiling point Options (a) n-octane (b) Butane (c) Pentane (d) Ethane Correct Answer:…
6 years ago
When acetylene reacts with arsenic trichloride in the presence of anhydrous
When acetylene reacts with arsenic trichloride in the presence of anhydrous aluminium chloride, it produces Options (a) Nitrobenzene (b) beta-chlorovinyl…
6 years ago
Baeyer’s reagent is used in the laboratory for
Baeyer's reagent is used in the laboratory for Options (a) oxidation process (b) detection of glucose (c) detection of double…
6 years ago
Which of the following substances is used, in laboratory
Which of the following substances is used, in laboratory, for fast drying of netural gases Options (a) Phosphorus pentoxide (b)…
6 years ago
Oxidation of acetaldehyde with selenium dioxide produces
Oxidation of acetaldehyde with selenium dioxide produces Options (a) glyoxal (b) oxalic acid (c) ethanoic acid (d) methanoic acid Correct…
6 years ago
pH value of a solution, whose hydronium ion concentration is 6.2 x 10⁻⁹ mol/L is
pH value of a solution, whose hydronium ion concentration is 6.2 x 10⁻⁹ mol/L is Options (a) 7.75 (b) 7.21…
6 years ago
Magnetic quantum number specifies
Magnetic quantum number specifies Options (a) size of orbitals (b) shape of orbitals (c) nuclear stability (d) orientation of orbitals…
6 years ago