4281: Hybridoma technology is a new biotechnological approach for commercial production of
(a) monoclonal antibodies
(b) interferon
(c) antibodies
(d) alcohol
4282: In which of the following areas can GPS technology be used?
1. Mobile phone operations
2. Banking operations
3. Controlling the power grids
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
4283: What is land ceiling?
(a) To fix a land area for irrigation purposes
(b) To fix rural land holdings at the existing level
(c) To fix urban land holdings at the existing level
(d) To fix the quantum of land held by a family
4284: AIDS is:
(1) Caused by virus
(2) Carried by body fluid, blood and serum
(3) Found mostly in males
(4) Found mostly in homosexuals
(a) 1 and 4 are correct
(b) 1,2 and 4 are correct
(c) 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
4285: Several states in the North-Eastern part of India were carved out by separating them from Assam. Which one of the following pairs is not among them?
(a) Manipur and Meghalaya
(b) Mizoram and Tripura
(c) Arunachal Pradesh and Nagaland
(d) Manipur and Tripura