341. The major portion of natural gas is:
A: Ethane
B: Methane
C: Propane
D: Butane
342. Meteorology is the scientific study of:
A: Plants
B: Insects
C: Weather
D: Space
343. Which planet is known as the bodyguard planet of the Earth?
A: Mercury
B: Venus
C: Mars
D: Jupiter
344. The property by virtue of which metals can be beaten into thin sheets is known as?
A: Malleability
B: Ductility
C: Conductivity
D: Density
345. People living in high altitudes (like mountains) usually have a __.
A: Larger number of Red Blood Cells
B: Smaller number of Red Blood Cells
C: Smaller number of White Blood Cells
D: Larger number of White Blood Cells
346. Which stone floats on water?
A: Limestone
B: Pumice stone
C: Basalt stone
D: Quartzite stone
347. How many hearts does an Octopus have?
A: 3
B: 10
C: 5
D: 8
348. Frog Heart has how many chambers?
A: 3
B: 2
C: 4
D: 5
349. What is the first element in the periodic table?
A: Helium
B: Hydrogen
C: Nitrogen
D: Carbon
350. Which of the following planets orbits around the sun in a clockwise direction?
A: Mercury
B: Earth
C: Jupiter
D: Venus