Thigmotropic movement is best shown by
Thigmotropic movement is best shown by Options (a) movement in roots (b) movement in tendrils (c) insectivorous plants (d) movement…
5 years ago
AFMC1998
Mitochondria perform all of the following functions except
Mitochondria perform all of the following functions except Options (a) nucleic acid synthesis (b) steroid synthesis (c) ATP synthesis (d)…
5 years ago
Population explosion has occured in the last
Population explosion has occured in the last Options (a) 500 years (b) 300 years (c) 100 years (d) 50 years…
7 years ago
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…
7 years ago
The lusture of a metal is due to
The lusture of a metal is due to Options (a) its chemical inertness (b) its high polishing (c) its high…
7 years ago
When cold potassium permanganate (KMnO₄) is added to ethylene gives
When cold potassium permanganate (KMnO₄) is added to ethylene gives Options (a) methanol (b) ethanol (c) glycerol (d) ethylene glycol…
7 years ago
If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen
If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen on combustion , yielded 0.147 gram carbon dioxide…
7 years ago
The hybridisation of carbon in diamond ,graphite and acetylene is in the order of
The hybridisation of carbon in diamond ,graphite and acetylene is in the order of Options (a) sp sp² sp³ (b)…
7 years ago
When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
When enthalpy and entropy change for a chemical reaction are - 2.5 x 10³ cals and 7.4 cals deg⁻¹ respectively…
7 years ago
Chlorine is liberated, when we heat
Chlorine is liberated, when we heat Options (a) Pb(NO₃)₂ + MnO₂ (b) K₂Cr₂O₇ + MnO₂ (c) KMnO₄ + NaCl (d)…
7 years ago