2576: Mouth and foot diseases in cattle are caused due to:
(a) Bacteria
(b) Virus
(c) Fungi
(d) Penicillium
2577: Which one among the following languages has largest number of speakers in the world?
(a) Bengali
(b) French
(c) Japanese
(d) Portuguese
2578: With reference to the usefulness of the by-products of sugar industry, which of the following statements is/are correct?
1. Bagasse can be used as biomass fuel for the generation of energy.
2. Molasses can be used as one of the feed stocks for the production of synthetic chemical fertilizers.
3. Molasses can be used for the production of ethanol.
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2579: The pitch of the voice of women is in general
(a) marginally lower than that of men
(b) higher than that of men
(c) much lower than that of men
(d) the same as that of men
2580: Which one of the following countries is land locked?
(a) Bolivia
(b) Peru
(c) Suriname
(d) Uruguay