2681: Which of the following is/are among the Fundamental Duties of citizens laid down in the Indian Constitution?
1. To preserve the rich heritage of our composite culture
2. To protect the weaker sections from social injustice
3. To develop the scientific temper and spirit of inquiry
4. To strive towards excellence in all spheres of individual and collective activity
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
2682: In an office, the distribution of work hours is as shown in the following table:
No. of Staff Members------No. of hours worked
5------------------------ 0 - 19
12------------------------ 20 - 24
25------------------------ 25 - 29
40------------------------ 30 - 34
15------------------------ 35 - 39
8------------------------ 40 - 45
Consider the following inferences drawn from the table :
I. The average number of hours worked by a staff member is about 30.
II. The percentage of those who worked 35 or more hours is less than 25.
III. At least 5 staff members worked more than 44 hours.
Which of these inferences is/are valid ?
(a) I alone
(b) II alone
(c) I and II
(d) I, II and III
2683: With reference to the economic history of medieval India, the term 'Araghatta' refers to
(a) bonded labour
(b) land grants made to military officers
(c) waterwheel used in the irrigation of land
(d) wasteland converted to cultivated land
2684: Retina in the eyes acts as a ........ in the camera.
(a) Lens
(b) Shutter
(c) Film
(d) None of these
2685: 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