General Science & Ability MCQs 2012

In humans, the "Y" chromosome is passed to the next generation from:
A) Father to son
B) Mother to son
C) Father to daughter
D) None of these

Matter and energy:
A) Can be converted from one to the other
B) When taken together, are conserved in all processes in a closed system
C) Both a & b
D) None of these

Which of the following is a mammal?
A) Blue tuna
B) Swordfish
C) Blue whale
D) None of these

Electric current:
A) Flows from a higher potential to lower potential
B) Is caused by the flow of electrons
C) Both a & b
D) None of these

Female ova are:
A) Haploid
B) Diploid
C) Triploid
D) None of these

Electricity and magnetism are:
A) Two facets of the same force
B) Always opposed to each other
C) Both a & b
D) None of these

Which of the following is not a part of DNA?
A) Thymine
B) Adenine
C) Ribose
D) None of these

Ball bearings help wheels and other rotating objects:
A) Move without consuming any energy
B) Rotate more easily and with less friction
C) Both a & b
D) None of these

Photography works by:
A) Capturing the souls of the objects being photographed
B) Capturing light reflected from the object being photographed
C) Both a & b
D) None of these

Arthur C. Clarke, the famous science fiction author, while working as a radio operator in the British army in World War 2:
A) Proposed building a space elevator from carbon mono-filaments
B) Postulated the existence of extra-terrestrial artifacts on the moon
C) Proposed that a network of satellites in stationary orbit at very high altitudes around the earth be used to bounce communication signals all over the world
D) None of these