1. In capillary electrophoresis, which flow causes the movement of electrolyte through the tube?

(A) Micro-osmatic flow

(B) Electro-osmatic flow

(C) Macro-osmatic flow

(D) None of the above

Answer: (A)

2. Assertion (A): A phenolphthalein solution is used to show the possible presence of blood.

Reason (R): As there is non-specific peroxidase reaction with haemoglobin producing pink colour.


(A) (R) is correct, but (A) is incorrect.

(B) (R) is incorrect, but (A) is correct.

(C) Both (A) and (R) are correct.

(D) Both (A) and (R) are incorrect.

Answer: (C)

3. A change in one base of an amino acid sequence may produce a change, called

(A) A Tetrad

(B) A zygote

(C) A point mutation

(D) Independent assortment

Answer: (C)

4. The polymorphic enzymes found in human blood may help in

(A) Individualization

(B) Polymorphism

(C) Agglutination

(D) Precipitation

Answer: (A)

5. Semen sample having no sperms is called

(A) Oligospermic

(B) Aspermic

(C) Histospermic

(D) Hematospermic

Answer: (B)

6. An Rh incompatibility between mother and fetus can occur if

(A) Only mother is Rh(–)

(B) Fetus is Rh(+)

(C) Pregnancy is second or later

(D) All of the above

Answer: (D)

7. Kerosene is a blend of

(A) Paraffins

(B) Naphthenes

(C) Aromatics

(D) All of the above

Answer: (D)

8. Petroleum products include

(A) LPG and CNG

(B) Aviation spirit

(C) Kerosene

(D) All of the above

Answer: (D)

9. Which of the following is used to colour motor gasoline?

(A) Phenyl azo-2-napthol

(B) Eosine

(C) Di-alkyl amino anthraquinone

(D) Erythrosine

Answer: (A)

10. Blood Alcohol Concentration (BAC) is measured in

(A) Weight/Volume percent

(B) Volume/Volume percent

(C) Weight/Weight percent

(D) All of the above

Answer: (A)