Friday Science Quiz #7

Please find below the questions of Friday Science Quiz #7.

Q.1) Italian varieties of Honey bee are used for commercial production of Honey. This is due to
1. They have high collection capacity
2. They sting less
3. They stay in beehive longer periods.

Select the correct answer using the codes given below.
a) 2 only
b) 1 and 2 only
c) 2 and 3 only
d) 1, 2 and 3

Q.2) Consider the following statements.
1. In organic farming there is no or minimal use of fertilizers while other things such as pesticides and insecticides are commonly used.
2. Blue green algae is used in preparation of Bio-fertilizers.

Select the correct answer using the codes given below.
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2

Q.3) It is harder to make anti viral medicines than antibiotics due to
a) Viruses are very complex organisms to understand
b) Viruses have very effective resistance mechanism
c) Viruses have few biochemical reactions of their own
d) All of the above

Q.4) The nitrogenous base Purine occurring in RNA is
a) Cytosine
b) Uracil
c) Guanine
d) Thymine

Q.5) Which pair of diseases are caused by Virus?
a) Tetanus and Typhoid
b) Syphilis and AIDS
c) Measles and rabies
d) Sleeping sickness and whooping cough

Q.6) Hypersensitivity is related to
a) Aberrant functioning of the immune system
b) Increase in ambient temperature
c) Age of individual
d) Food habits

Q.7) Influenza virus has
a) DNA
b) RNA
c) DNA and RNA
d) Only proteins and no nucleic acid

Q.8) Energy needed to Ionize an atom is greatest for
a) Alkali metals
b) Rare earth metals
c) Noble gases
d) Transition elements

Q.9) Photodynamic theory is related with the
a) Polaroid photography
b) Cancer treatment
c) Measurement of high speed
d) Growth of plants