Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 65487
TLS Online TPP Program

#Question id: 40412

Match the Reagents in List-I with their specific role/function in List-II.

List-I (Reagent)List-II (Function)
(A) Crystal Violet(I) Mordant (Fixes the dye)
(B) Gram's Iodine(II) Counterstain
(C) 95% Ethyl Alcohol(III) Primary Stain
(D) Safranin(IV) Decolorizing Agent

#Applied Microbiology
  1. (A)-(II), (B)-(IV), (C)-(I), (D)-(III)
  2. (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
  3. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  4. (A)-(I), (B)-(III), (C)-(IV), (D)-(II)
More Questions
TLS Online TPP Program

#Question id: 39567

#Biochemistry

Assertion (A): Benzene is aromatic due to delocalized π electrons.

Reason (R): Benzene follows Huckel’s rule with (4n + 2) π electrons.
TLS Online TPP Program

#Question id: 39568

#Biochemistry

Assertion (A): Aliphatic compounds are saturated or unsaturated straight or branched chains.

Reason (R): They do not contain aromatic rings.
TLS Online TPP Program

#Question id: 39569

#Biochemistry

Assertion (A): Biological function of a molecule depends on its stereochemistry.

Reason (R): Enzymes are stereospecific and interact differently with enantiomers.
TLS Online TPP Program

#Question id: 39570

#Biochemistry

Assertion (A): Conductance of an ionic solution increases with dilution.

Reason (R): Ion mobility increases as ions are farther apart.
TLS Online TPP Program

#Question id: 39571

#Biochemistry

Match the type of compound with an example:

Column I                Column II
A. Aliphatic1. Benzene
B. Aromatic2. Hexane
C. Monomer3. Glucose
D. Polymer4. Starch
TLS Online TPP Program

#Question id: 39572

#Environmental Science

Maximum productivity is found in: