3766: 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
3767: Consider the following statements :
The Non-Cooperation Movement led to the
I. Congress becoming a mass movement for the first time.
II. growth of Hindu-Muslim unity.
III. removal of fear of the British might from the minds of the people.
IV. British government's willingness to grant political concessions to Indians.
Of these statements
(a) I, II, III and IV are correct
(b) II and II are correct
(c) I and III are correct
(d) III and IV are correct
3768: Consider the map given below indicating four places:
Which one of them is Chechenys ? Choose the correct answer.
(a) 1
(b) 2
(c) 3
(d) 4
3769: A class starts after lunch at 1 p.m. and lasts till 3.52 p.m. Four periods are over during this interval. After every period, 4 minutes are allowed for going from one classroom to another. What is the exact duration of each period held?
(a) 42 minutes
(b) 41 minutes
(c) 40 minutes
(d) 39 minutes
3770: With reference to soil conservation, consider the following practices :
1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India ?
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4