Search Previous Year Questions

Which of the given options arranges the following sentences in the most logical sequence to form a meaningful paragraph? 

1. Without keystone species, entire ecosystems can collapse, leading to significant biodiversity loss.
2. The concept of a keystone species was first introduced by ecologist Robert Paine, who studied the effect of removing certain predators from an ecosystem.
3. Keystone species play a disproportionately large role in maintaining the structure and stability of their ecosystems.
4. For example, sea otters help regulate sea urchin populations, preventing the destruction of kelp forests.
5. This idea revolutionized ecology by highlighting how some species have a far greater impact on their environment than others.

Select the most appropriate synonym of the given word:

FRUGAL

Select the most appropriate antonym of the given word.

Obstinate

Select the most appropriate antonym of the given word.

Superfluous

Select the most appropriate synonym of the given word:

INTRANSIGENCE

Select the most appropriate synonym of the given word:

MELANCHOLY

Choose the correct meaning of idiom:

Not worth his salt

Select the most appropriate antonym of the given word.

Propitiate

Find the correct spelling of a word that refers to a rule or principle. 

Which of these is the correct spelling of a term meaning ‘questioning everything’?