Collagen fibres of connective tissue are
Collagen fibres of connective tissue are Options (a) White (b) Yellow (c) Colourless (d) Red Correct Answer: WhiteExplanation:Collagen fibres are…
5 years ago
JK2012
Cell elongation in internodal region takes place due to
Cell elongation in internodal region takes place due to Options (a) Gibberellins (b) Ethylene (c) Cytokinins (d) Indole acetic acid…
5 years ago
Water in the soil available to plants is
Water in the soil available to plants is Options (a) gravitational water (b) capillary water (c) hygroscopic water (d) hypertonic…
5 years ago
The protein whose removal enables myosin to bind actin in smooth muscle is
The protein whose removal enables myosin to bind actin in smooth muscle is Options (a) tropomyosin (b) caldesmon (c) myosin…
5 years ago
The rate of reactions exhibiting negative activation energy
The rate of reactions exhibiting negative activation energy Options (a) decreases with increasing temperature (b) increases with increasing temperature (c)…
7 years ago
The nitration (using nitration mixture) of aniline gives
The nitration (using nitration mixture) of aniline gives Options (a) p-nitroaniline (b) o-nitroaniline (c) m-nitroaniline (d) all of the above…
7 years ago
Boron is unable to form BF₆³⁻ because of
Boron is unable to form BF₆³⁻ because of Options (a) high electronegativity of boron (b) high electronegativity of fluorine (c)…
7 years ago
CCl₄ and freons
CCl₄ and freons Options (a) are green compounds because they are green coloured (b) depletes ozone concentration (c) causes increase…
7 years ago
Tollen’s test can be used to distinguish
Tollen's test can be used to distinguish Options (a) propionaldehyde and acetone (b) propanol and propionic acid (c) propene and…
7 years ago
A nucleophilic substitution reaction proceeds through SN1 mechanism.
A nucleophilic substitution reaction proceeds through SN1 mechanism. So, the reaction is Options (a) unimolecular (b) bimolecular (c) termolecular (d)…
7 years ago