Physics
What is the ratio of the speed of infrared and ultraviolet rays in a vacuum?
a) 1:5
b) 2:1
c) 1
d) 0
c) 1
In ionic bonds, electrons are
A) Gained or lost
B) Shared
C) Mixed randomly
D) Negatively charged
A) Gained or lost
Feedback inhibition is cell’s mechanism to _____________ the process of anabolism.
a) activate
b) inhibit
c) increase
d) decrease
b) inhibit
Two charges q1, q2 exert some amount of force on each other. What will happen to the force on q1 if another charge q3 is brought close to them?
a) The force will increase
b) The force will decrease
c) The force remains the same
d) The force may increase or decrease depending on whether q3 is positive or negative
d) The force may increase or decrease depending on whether q3 is positive or negative
How many carbon atoms are in ethane?
A) 1
B) 2
C) 3
D) 4
B) 2
Rubisco is a ________________
a) nucleic acid
b) protein
c) carbohydrate
d) fiber
b) protein
Find the true statement.
a) An electron will not lose energy when jumping from the 1st orbit to the 3rd orbit
b) An electron will not give energy when jumping from the 1st orbit to the 3rd orbit
c) An electron will release energy when jumping from the 1st orbit to the 3rd orbit
d) An electron will absorb energy when jumping from the 1st orbit to the 3rd orbit
d) An electron will absorb energy when jumping from the 1st orbit to the 3rd orbit
Has a definite shape, mass, and volume
A) solid
B) liquid
C) gas
D) matter
A) solid
Tobacco Mosaic Virus consists of one long molecule of ______________
a) DNA
b) Carbohydrates
c) Glycerol
d) RNA
d) RNA
If two bodies are moving in opposite directions with non-zero velocities, which of the following statements is true?
a) Relative velocity > Absolute velocity
b) Relative velocity < Absolute velocity
c) Relative velocity = Absolute velocity
d) Relative velocity <= Absolute velocity
a) Relative velocity > Absolute velocity
Acids give
A) H+ in water
B) OH− in water
C) Both (a)& (b)
D) None of these
A) H+ in water
Which of the following polysaccharide is not present in the eukaryotic plant cell wall?
a) Cellulose
b) Chitin
c) Hemicellulose
d) Pectin
b) Chitin
A body of mass 40 Kg covers a distance of 50 m in 5s starting from rest under the influence of a force. What is the work done by the force on the body?
a) 8000 J
b) -8000 J
c) 20000 J
d) 800 J
a) 8000 J
The symbol Ag stands for which element?
A) Silver
B) Gold
C) Aluminium
D) Antimony
A) Silver
What is the name of the smallest muscle?
A) Gutters Maximus
B) Antagonists
C) Stapedius
D)None of the above
C) Stapedius