Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".

The common fruit fly is technically (called as) "drosophila".

(1) called

(2) known by

(3) known as

(4) No Improvement

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Question : Buddha, Dhamma and Sangha together are known as

Option 1: Triratna

Option 2: Trivarga

Option 3: Trisarga

Option 4: Trimurti

Question : What is the sum of the first 20 terms of the following series?
$1 \times 2+2 \times 3+3 \times 4+4 \times 5+\ldots \ldots$

Option 1: 3160

Option 2: 2940

Option 3: 3240

Option 4: 3080

Question : What is the set of ecosystems called?

Option 1: Stratosphere

Option 2: Hydrosphere

Option 3: Biome

Option 4: Atmosphere

Question : What is the process of melting also called?

Option 1: Fusion

Option 2: Galvanisation

Option 3: Crystallisation

Option 4: Evaporation