741. IBM stands for:
A. International Business Machines
B. International Big Machines
C. Interrelated Big Machines
D. None of these
742. Chemicals used to kill weeds are called as:
A. Insecticides
B. Fungicides
C. Herbicides
D. Fumigants
743. The cytoplasm consists of several types of structures, which are called:
A. Protoplasm
B. Nucleus
C. Cytochromes
D. Organelles
744. The structure of DNA was elaborated by Watson and Crick in:
A. 1909
B. 1923
C. 1945
D. 1953
745. In a DNA molecule, the rule for base pairing is:
A. Adenine always bound with thymine, and cytosine with guanine
B. Adenine is always bound to cytosine, and thymine is always bound to guanine.
C. Adenine is always bound to cytosine, and thymine is always bound to cytosine.
D. None of these
746. Man belongs to the family:
A. Felidae
B. Hominidae
C. Mammalia
D. Primataceae
747. Deficiency of vitamin C in the human body causes a deficiency disease called:
A. Beriberi
B. Night blindness
C. Rickets
D. Scurvy
748. Electricity transfer main purpose is to control?
(A) Power
(B) Units
(C) Frequency
D) Voltages
749. Bird flu caused by which of the following virus?
(A) H1N1 Virus
(B) Polio Virus
(C) H5N4 Virus
D) H5N1 Virus
750. Lowest adult male singing voice is called?
(A) Base
(B) Pitch
C) Bass
(D) None of the above
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