3436: In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person ?

1. Iris scanning
2. Retinal scanning
3. Voice recognition

Select the correct answer using the code given below:

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3 only
3437: Plankton refers to:

(a) A kind of fish

(b) A submerged platform in waters

(c) Drifting of organisms in a body of water

(d) A kind of animal living under water
3438: If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle

(a) is obtuse
(b) has one angle greater than 80°
(c) is a right triangle
(d) is acute
3439: Who among the following accepted Din-i-Ilahi?

(a) Raja Man Singh

(b) Birbal

(c) Raja Tansen

(d) Raja Todarmal
3440: During Indian freedom struggle, the National Social Conference was formed. What was the reason for its formation?

(a) Different social reform groups or organizations of Bengal region united to form a single body to discuss the issues of larger interest and to prepare appropriate petitions/representations to the government.

(b) Indian National Congress did not want to include social reforms in its deliberations and decided to form a separate body for such a purpose

(c) Behramji Malabari and M. G. Ranade decided to bring together all the social reform groups of the country under one organization

(d) None of the statements (a), (b) and (c) given above is correct in this context