The type of biological study that was exemplified through the discovery of DNA structure is called:

a. detailed biology.

b. component biology.

c. microscopic biology.

d. elemental biology.

e. molecular biology

If dark matter did not exist it is likely that:
A. the universe would expand forever
B. the universe would begin contracting soon
C. the night sky would be brighter
D. the night sky would be darker
E. we would be able to see the center of the universe

Dark matter is suspected to exist in the universe because:
A. the night sky is dark between stars
B. the orbital period of stars in the outer parts of a galaxy is greater than the orbital period
of stars near the galactic center
C. the orbital period of stars in the outer parts of a galaxy is less than the orbital period of
stars near the galactic center
D. the orbital period of stars in the outer parts of a galaxy is about the same as the orbital
period of stars near the galactic center
E. all galaxies have about the same mass

Choose the correctly spelt word?
(A) Pricision
(B) Precision
(C) Presision
(D) Precition

He ________ very quickly when I met him yesterday?
(A) was walking
(B) walks
(C) has walked
(D) has been walking

I am afraid he’s ....... stupid, and won’t understand what you mean
(A) fairly
(B) not
(C) not only
(D) rather

You will pass your examination. If you .......... hard
(A) worked
(B) have worked
(C) work
(D) will have worked

We have a friend ....... plays the piano.
(A) what
(B) which
(C) that
(D) who

The antonym, of ‘Fortune’ is ....
(A) Disfortune
(B) Misfortune
(C) Unfortune
(D) Fortunate

One who sees the bright side of things
(A) pessimist
(B) misogynist
(C) optimist
(D) misanthropist

He has ....... lodged a complaint against her
(A) since
(B) still
(C) yet
(D) already