3186: Consider the following statements :
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
3187: What is the correct sequence of the rivers Godavari, Mahanadi, Narmada and Tapi in the descending order of their lengths?
(a) Godavari--Mahanadi--Narmada--Tapi
(b) Godavari--Narmada--Mahanadi--Tapi
(c) Narmada--Godavari--Tapi--Mahanadi
(d) Narmada--Tapi--Godavari--Mahandai
3188: The "Moortidevi Sahitya Puraskar" is instituted by:
(a) Bharatiya Vidya Bhavan
(b) Bhartiya Jnanpith
(c) Ministry of Education, Government of India
(d) Sahitya Akademi
3189: Even though an animal is fed with carbohydrate-rich diet, its blood sugar concentration tends to remain constant. This is on account of the fact that in the case of an animal
(a) hormones of pituitary glands control metabolic process
(b) hormones of pancreas cause such a condition
(c) blood sugar is readily absorbed by liver
(d) glucose undergoes autolysis
3190: In what way does the Indian Parliament exercise control over the administration?
(a) Through Consultative Committees of various ministries
(b) Through Parliamentary Committees
(c) By making the administrators send periodic reports
(d) By compelling the executive to issue writs