Questions

.......... helps the eye to adjust the focal length of the lens.

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :There is no doubt that the rules governing imports, manufacture and the use of pesticides need to be further tightened up.
S6:At the same time, better pollution control measures are needed to check the discharge of poisonous gases and chemicals by a host of other industries which are equally responsible for poisoning our world.
P:But a more practical and feasible approach is required to tackle this problem.
Q:No one can deny the importance of pesticides in our agriculture.
R:The proposed amendment is an attempt at doing this, but in the process it seems to have gone overboard in most cases.
S:Even today, nearly a fourth of our crop is lost due to pests and weeds.

The proper sequence should be 

Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

Good role models in classrooms and in communities are the most important (1)/ part of getting educate as the actions and decisions (2)/ of role models impact the behaviour of others. (3)/ No error (4)

In the following question, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

Who invented first working laser?

Sewing machine was invented by

When was Judaism founded?