291: 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
292: With reference to the mineral resources of India, consider the following pairs:
Mineral : 90% Natural sources in
1. Copper : Jharkhand
2. Nickel : Orissa
3. Tungsten : Kerala
Which of the pairs give above is/are correctly matched?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
293: Shifting cultivators normally grow:
(a) A single crop which is mainly consumed
(b) The major crop along with cereals
(c) Cash crops along with fodder
(d) Grains, vegetables and tubers in rotation
294: An aqueous solution of copper sulphate is acidic in nature because the salt undergoes
(a) dialysis
(b) electrolysis
(c) hydrolysis
(d) photolysis
295: In the federation established by The Government on India Act of 1935. Residuary Power were given to the
(a) Federal Legislature
(b) Governor General
(c) Provincial Legislature
(d) Provincial Governors