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1816. Which of the following has the smallest egg ?
A. Ostrich
B. Humming bird
C. Pigeon
D. Homo sapiens
Explanation:
1817. Which of the following is the correct sequence of the following elements in increasing order of their relative densities ? 1. Mercury 2. Gold 3. Lead 4. Aluminium
A. 3, 2, 1, 4
B. 3, 1, 4, 2
C. 4, 1, 3, 2
D. 4, 3, 1, 2
Explanation:
1818. In (i.e. crabs, shrimps & sea fish etc.) the metallic base of the respiratory pigment is made up of
A. iron
B. copper
C. magnesium
D. potassium
Explanation:
1819. Which of the following when taken by pregnant women, is found to be the cause of deformed children ?
A. Glycerol
B. Xylidine
C. Thalidomide
D. None of these
Explanation:
1820. The organism in which RNA is the genetic material is
A. Rabies virus
B. Staphylococcus
C. Plasmodium
D. Tobacco mosaic virus
Explanation:
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