1. The reaction which converts sugar solution into alcohol is an example of --- (Janata Bank. Assistant Executive Officer: 2019)

saponification

fermentation

hydrogenation

hydrolysis

2. The headquarter of the international committee of red cross is at __ (Janata Bank. Assistant Executive Officer: 2019)

Geneva

paris

rome

stockholm

3. The main reserves of phosphorus in the biosphere is in the --- (Janata Bank. Assistant Executive Officer: 2019)

hydrosphere

atmosphere

lithosphere

troposphere

4. The company that has acquired an interest in different industries by taking over or merging with other companies, is called--- (Janata Bank. Assistant Executive Officer: 2019)

collateral

conglomerate

lithosphere

troposphere

5. Penicillin is widely used as __- (Janata Bank. Assistant Executive Officer: 2019)

an antiseptic

a disinfectant

an insecticide

an antibiotic

6. Normally the Commonwealth Games are held at intervals of __ (Janata Bank. Assistant Executive Officer: 2019)

4 years

3 years

5 years

None of these

7. In which season do we need more fat? (Janata Bank. Assistant Executive Officer: 2019)

Rainy seasion

spring

Winter

Summer

8. If 20% of a = b, them b% of 20 is the same as : (Janata Bank. Assistant Executive Officer: 2019)

6% of a

8% of a

10% of a

4% of a

9. The sum of three numbers is 98. If the ratio of fist to the second is 2:3. And that of the second to the third is 5 : 8 then the second numbers is --- (Janata Bank. Assistant Executive Officer: 2019)

30

20

10

15

10. For any two numbers m, n; ( m - n ) : mn = 7 : 1 : 60 Find the value of 1/m : 1/n (Janata Bank. Assistant Executive Officer: 2019)

4 : 3

8 : 7

3 : 4

7 : 8