AFMC1998

Night blindness is caused by the deficiency of

Night blindness is caused by the deficiency of Options (a) vitamin C (b) vitamin A (c) vitamin B₁₂ (d) vitamin…

Lyophilic colloids are stable due to

Lyophilic colloids are stable due to Options (a) small size of the particle (b) large size of particle (c) charge…

The correct order of acidic strength is

The correct order of acidic strength is Options (a) HBr < HCl < HI < HF (b) HCl < HBr…

Both ethan and methane can be obtained in one step reaction from

Both ethan and methane can be obtained in one step reaction from Options (a) CH₃OH (b) C₂H₅OH (c) CH₃Br (d)…

The pH value of 10⁻⁸ M HCl is

The pH value of 10⁻⁸ M HCl is Options (a) more than 7 (b) less than 7 (c) equal to…

Quarantine regulation are concerned with

Quarantine regulation are concerned with Options (a) spraying of diseased plants with insecticide (b) prevention of entry of diseased plants…

Who discovered the cell (actually the cell wall) in section of cork?

Who discovered the cell (actually the cell wall) in section of cork? Options (a) Schwann (b) Schleidan (c) Robert Hooke…

The contraction of the heart of frog commences from

The contraction of the heart of frog commences from Options (a) sinus venosus (b) right auricle (c) left auricle (d)…

Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by

Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by Options (a) Rhizobium (b) Azotobacter (c) Nitrobacter…

Aspirin is obtained by the reaction of salicylic acid with

Aspirin is obtained by the reaction of salicylic acid with Options (a) acetic acid (b) acetaldehyde (c) acetone (d) acetic…