3866: What is the role of ultraviolet (UV) radiation in the water purification systems?
1. It inactivates/kills the harmful micro-organism in water.
2. It removes all the undesirable odours from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3867: Consider the following statements about probiotic food :
1. Probiotic food contains live bacteria which are considered beneficial to humans.
2. Probiotic food helps in maintaining gut flora.
(a) 1 only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2
3868: Prohibition of discrimination on grounds of religion, etc. (Article 15 of the Constitution of India) is a Fundamental Right classifiable under
(a) the Right to Freedom of Religion
(b) the Right against Exploitation
(c) the Cultural and Educational Rights
(d) the Right to Equality
3869: Match List I (Diseases) with List II (Types of disease) and select the correct answer using the codes given below the Lists :
List I
I. Haemophilia
II. Diabetes
II. Diabetes
IV. Ringworm
List II
(A) Deficiency disease
(B) Genetic disease
(C) Hormonal disorder
(D) Fungal infection
Codes:
(a) I-B, II-C, III-D, IV-A
(b) I-B, II-C, III-A, IV-D
(c) I-C, II-B, III-A, IV-D
(d) I-C, II-B, III-D, IV-A
3870: Assertion (A) : In India, every state has a High Court in its territory.
Reason (R) : The Constitution of India provides for a High Court in each state.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true