36: Sugarcane, sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to
(a) two plant families
(b) three plant families
(c) four plant families
(d) five plant families
37: Atoms of the same element having the same atomic number but different atomic weight are called
(a) Isobars
(b) Isotopes
(c) Polymers
(d) Isomers
38: Which of the following throws light on Harappan Culture?
(a) Archaeological excavations
(b) The script on copper sheets
(c) Rock edicts
(d) All of the above
39: The value of a vote of a member of the Parliament for the election of the President of India is determined by dividing the
(a) Nation's population as per the latest census by the number of Lok Sabha members.
(b) Population as per the latest census by the total strength of the two Houses of the Parliament.
(c) The total value of votes of the members of all the State Legislative Assemblies by the elected members of the two Houses of the Parliament
(d) Particular State's population as per the latest census by the number of members of Parliament elected from that State
40: The greatest diversity of animal and plant species occurs in
(a) temperate deciduous forests
(b) tropical moist forests
(c) heavily polluted rivers
(d) deserts and savannas