1726: Those who give birth to young-ones are called viviparous. Some fishes lay eggs. Therefore:

(a) Some fishes do not lay eggs

(b) Some frogs are fishes

(c) Some frogs do not lay eggs

(d) Some fishes are viviparous
1727: Local supply of coal is not available to
(a) TISCO, Jamshedpur
(b) VSL, Bhadravati
(c) HSL, Durgapur
(d) HSL, Bhilai
1728: Consider the following statements:

1. The Earth's magnetic field has reversed every few hundred thousand years.
2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide.
3. When living organisms originated, they modified the early atmosphere of the Earth.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1729: Which one of the following issues the 'Global Economic Prospects' report periodically?

(a) The Asian Development Bank
(b) The European Bank for Reconstruction and Development
(c) The US Federal Reserve Bank
(d) The World Bank
1730: Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by

(a) moulds
(b) viruses
(c) protozoa
(d) bacteria