Pollent grains are shed at which stage?
Pollent grains are shed at which stage? Options (a) 2 celled (b) 3 celled (c) usually at 2-celled, but sometimes…
Pollent grains are shed at which stage? Options (a) 2 celled (b) 3 celled (c) usually at 2-celled, but sometimes…
Sporophyte formation from gametophyte is called Options (a) apogamy (b) sporogenesis (c) gametogenesis (d) apospory Correct Answer: apogamyExplanation:No explanation available.…
Roots of higher plants show symbiosis with mycorrhizas for obtaining Options (a) sulphates (b) nitrogen (c) phosphates (d) all of…
What is formed when nitrobenzene is reduced using zinc and alkali Options (a) Phenol (b) Hydrazobenzene (c) Aniline (d) Nitrosobenzene…
What percentage of energy is transferred from one trophic level to another? Options (a) 10% (b) 1% (c) 0.10% (d)…
What is formed when nitrobenzene is reduced using zinc and alkali Options (a) Phenol (b) Hydrazobenzene (c) Aniline (d) Nitrosobenzene…
Which of the following is obtained when auric chloride reacts with sodium chloride Options (a) Na[AuCl] (b) Na[AuCl₂] (c) Na[AuCl₃]…
Which of the following lanthanide is commonly used Options (a) Lanthanum (b) Nobelium (c) Thorium (d) Cerium Correct Answer: CeriumExplanation:No…
The limiting radius ratio for tetrahedral shape is Options (a) 0 to 0.153 (b) 0.225 to 0.414 (c) 0.155 to…
Hexoses and pentoses are Options (a) disaccharides (b) monosaccharides (c) polysaccharides (d) oligosaccharides Correct Answer: monosaccharidesExplanation:No explanation available. Be the…