1741. Law of floating bodies was given by :
A. Archimedes *
B. Galileo
C. Copernicus
D. Plotly
1742. There is no neutron in the atom of :
A. Carbon
B. Nitrogen
C. Hydrogen *
D. Ozone
1743. “Green House Effect ” means :
A. Pollution in houses in tropical regions
B. Trapping of solar energy due to atmospheric oxygen
C. Trapping of solar energy due to atmospheric carbon dioxide *
D. Cultivation in green houses so as to check pollution
1744. What is RDX ?
A. An instrument
B. A gene
C. A fertilizers
D. An explosive *
1745. Who coined the term ” Big Bang”?
A. Fred Hoyle *
B. Thomas Edison
C. James Chadwick
D. Albert Einstein
1746. ” Sucking the muck” is the common operating room nickname fo which of the following procedures :
A. Liposuction *
B. Face lifts
C. Knee replacement
D. Galld Bladder
1747. The golden age of Dinosaurs was :
A. Palaeozoic
B. Coenozoic
C. Mesozoic *
D. Proterozoic
1748. The oldest Era is :
A. Palaeozoic
B. Mesozoic
C. Coenozoic
D. Proterozoic *
1749. What substances are produced by the endocrine glands ?
A. Red blood cells
B. Cartilage
C. White blood cells
D. Hormones *
1750. John Glenn was the first man to eat in space. What did he eat ?
A. Bread
B. Pudding
C. Corn
D. Applesauce *