56: 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
57: The term Regional Comprehensive Economic Partnership often appears in the news in the context of the affairs of a group of countries known as
(a) G20
(b) ASEAN
(c) SCO
(d) SAARC
58: The people of Hong Kong have come mostly from
(a) Vietnam
(b) China
(c) Cambodia
(d) Thailand
59: Dilip Kaur Tiwana is well known as a
(a) litterateur
(b) musician
(c) scientist
(d) sports person
60: The monthly incomes of Peter and Paul are in the ratio of 4 : 3. Their expenses are in the ratio of 3 : 2. If each saves Rs. 600 at the end of the month, their monthly incomes respectively are (in rupees)
(a) 3200 and 2400
(b) 2800 and 2100
(c) 2400 and 1800
(d) 2000 and 1500