In the following questions out of the four alternatives choose the one which can be substituted for the given words/sentences.
A person who collects and/ or studies stamps.

• Pioneer

• Philatelist

• Pianist

• Philanthropist

In the following questions out of the four alternatives choose the one which can be substituted for the given words/sentences.
Information about the bird species was inaccessible. One has to access rare websites to access it. The meaning of the bold word is:

• That which cannot be read

• That which cannot be reached

• That which cannot be remembered

• That which cannot be stretched

In the following questions out of the four alternatives choose the one which can be substituted for the given words/sentences.
Guilty of the crime.

• Daring

• Suspicious

• Culpable

• Ruthless

In the following questions out of the four alternatives choose the one which can be substituted for the given words/sentences.
Incapable of being tired.

• Indefatigable 

• Invincible

• Untiring

• Tireless

In the following questions, a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.
The gardener ought to water the plants daily.

• The plants have been watered daily by the gardener.

• The plants ought to water daily by the gardener.

• The plants are ought to water daily by the gardener

• The plants ought to be watered daily by the gardener.