3841: Assertion (A)
Red phosphorous is preferred to white phosphorous in the manufacture of matches.
Reason (R)
Red phosphorous is non-poisonous in nature.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
3842: Consider the following statements:
1. An amendment to the Constitution of India can be initiated by an introduction of a bill in the Lok Sabha only.
2. If such an amendment seeks to make changes in the federal character of the Constitution, the amendment also requires to be ratified by the Legislature of all the States of India.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3843: To uphold and protect the sovereignty, unity and integrity of India, a provision has been made in the:
(a) Directive Principles of State Policy
(b) Preamble to the Constitution
(c) Fundamental Duties
(d) Fundamental Rights
3844: Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio-diesel in India ?
1. Pongamia pinnata grows naturally in most of the arid regions of India.
2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3845: Alpha-keratin is a protein present in
(a) blood
(b) skin
(c) wool
(d) eggs