3101: In a dry cell (battery), which of the following are used as electrolytes?
(a) Ammonium chloride and Zinc chloride
(b) Sodium chloride and Calcium chloride
(c) Magnesium chloride and Zinc chloride
(d) Ammonium chloride and Calcium chloride
3102: Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition ?
(a) When inhaled into the human body, CO is converted into CO2
(b) The inhaled CO has much higher affinity for haemoglobin as compared to oxygen
(c) The inhaled CO destroys the chemical structure of haemoglobin
(d) The inhaled CO adversely affects the respiratory centre in the brain
3103: The given map shows locations of airports labelled as 1, 2, 3, 4 and 5. What is the correct sequence of the airports in which the hijacked Indian Airlines plane IC-814 landed after its initial take off from Kathmandu in December 1999 ?
(a) 3, 1, 2, 4
(b) 2, 4, 1, 3
(c) 5, 4, 2, 3
(d) 5, 1, 3, 2
3104: Which one of the following States of India has passed a legislation (in 1996) making the maintenance of one's parents mandatory?
(a) Kerala
(b) West Bengal
(c) Maharashtra
(d) Himachal Pradesh
3105: Consider the following statements :
1. Free and compulsory education to the children of 6-14 years age group by the state was made a Fundamental Right by the 76th Amendment to the Constitution of India.
2. Sarva Shiksha Abhiyan seeks to provide computer education even in rural areas.
3. Education was included in the Concurrent List by the 42nd Amendment, 1976 to the Constitution of India.
Which of the statements given above are correct?
(a) 1 and 2, only
(b) 1 and 3, only
(c) 2 and 3, only
(d) 1, 2 and 3