2926: In the constitution of India, promotionof international peace and security is included in the
(a) Preamble to the Constitution
(b) Directive Principles of State Policy
(c) Fundamental Duties
(d) Ninth Schedule
2927: Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning?
1. Smelting units
2. Pens and pencils
3. Paints
4. Hair oils and cosmetics
Select the correct answer using the codes given below :
(a) 1, 2 and 3 only
(b) 1 and 3 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
2928: At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds,
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 2 Only
(c) 1 and 3 only
(d) 1, 2 and 3
2929: Which of the following crops is a tropical monsoon crop?
(a) Rice
(b) Wheat
(c) Ragi
(d) Jowar
2930: A community of people called Manganiyars is well-known for their
(a) martial arts in North-East India
(b) musical tradition in North- West India
(c) classical vocal music in South India
(d) pietra dura tradition in Central India