Correct Answer:- Option-B

Question5:-Which among the following products from Kerala have registered under
Geographical indications recently?

(1) Kanthalloor Vattavada Veluthulli

(ii) Kodungallur Pottuvellari

(iii) Onattukara Ellu

(iv) Attappady Thuvara

A:-(i) and (ii) only

B:-(i) only

C:-(i) and (iii) only

D:-All the above

Correct Answer:- Option-D

Question6:- is a semi quantitative technique for detecting radioactively
labelled molecules in cells, tissues or electrophoretic gels.

A:-Ilmmunoblotting
B:-Mass spectrometry
C:-Autoradiography
D:-SDS-PAGE

Correct Answer:- Option-C

Question7:-Following radioisotopes are commonly used in biological research. Their
half-life is mentioned in the bracket.
Which among them have the highest specific activity?

A:-Phosphorus-32 (14.3 days)
B:-lodine-125 (60.4 days)
C:-Sulfur-35 (87.5 days)
D:-Tritium (12.4 years)
Correct Answer:- Option-A

Question8:-Which microscopy will be used to view the details of live, unstained
cells?

(i) Scanning Electron Microscope (SEM)

(ii) Transmission Electron Microscope (TEM)

(iii) Phase Contrast Microscope

(iv) Differential Interference Contrast (DIC) microscope

A:-(iii) only

B:-(i) and (ii) only

C:-(iii) and (iv) only
D:-(iv) only

Correct Answer:- Option-C

Question9:-Which of the following statements is not true about Agarose gel
electrophoresis.
(i) It uses electric current to separate DNA molecules.