science & tech MCQ section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements:

1. Cobalt - 60 was leaked when a worker cut open a piece of metal in a Delhi market Cobalt-60 is used for medical purposes, industrial radiography for nondestructive testing and in the food processing industry for irradiation process.
2. The Atomic Energy Regulatory Board (AERB) is meant to maintain a “Cradle to grave” System to keep track of such equipment, including through on-site inspection.

a) 1 only

b) 1 and 2 both

c) 2 only

d) None

Question : 2

Which of the following pairs are correct according to the possible date for the event?

1. Summer solstice : June 21
2. Winter solstice : December 22
3. Vernal Equinox : February 20
4. Autumn Equinox : August 22

a) 2 and 3 only

b) 3 and 4 only

c) 1 and 2 only

d) 1, 3 and 4 only

Question : 3

Consider the following statements.

1. Flipkart launched ‘Tap N Pay’ contactless digital payment wallet MoboMoney for the Indian masses.
2. It has been termed as India’s first commercial NFC ecosystem rollout that would allow consumers to convert cash into e-cash for making payments.
3. This facility will be available on a network of NFC enabled merchant point of sale (POS) machines.

a) 1 and 3

b) 2 and 3

c) 1 and 2

d) All of these

Question : 4

Rotavirus is responsible for which of the following diseases?

a) Japanese Encephalitis

b) Measles

c) Tuberculosis

d) Diarrhoea

Question : 5

A genetically engineered bacteria used for clearing oil spills is

a) Agrobacterium tumifaciens

b) Escherischia coli

c) Bacillus subtilis

d) Pseudomonas putida

Question : 6

Which of the following statement(s) is/are correct regarding the Scorpene-class submarines?

1. These submarines run on nuclear power
2. India has ordered these submarines from France.

a) 2 Only

b) 1 and 2 Both

c) 1 Only

d) None