Which of the following vitamins is synthesized in the body by intestinal bacteria_______
(A) Vitamins B1
(B) Vitamins B12
(C) Vitamins E
(D) Vitamins K
AIDS virus is______________________
(A) Single-stranded RNA
(B) Â Single-stranded DNA
(C) Double-stranded RNA
(D) Double-stranded DNA
The speed of light with the rise in the temperature of the medium____________
(A) Decrease
(B) Increase
(C) Remain the same
(D) First decrease then increase
There are three types of plate boundaries ie Divergent, Convergent and____________
(A) Normal
(B) Transform
(C) Complex
(D) Plain
The production of rubber tree is better adopted to areas where the climate is_________
(A) Warm and humid
(B) Warm and dry
(C) Cool and moist
(D) cool and dry
Gulf streams are caused by__________
(A) Cyclones
(B) Ocean Pressure
(C) Temperature
(D) Difference in water level
"Rancidity produced in butter can be decreased by adding quinoline to the butter" This statements shows that _______________
(A) Nothing is impossible
(B) Quinoline is an inhibitor
(C) Quinoline is a catalyst
(D) Quinoline is an activator
The total energy of revolving electron in an atom_____________
(A) Will always be positive
(B) Can never be positive
(C) Can have any value above zero
(D) Cannot be negative