National Eligibility Test : CSIR - NET Dec 2015 questions with Answer keys (Life Sciences)

 

PART 'A'

1. In each of the following groups of words is a hidden number, based on which you should arrange them in descending order. Pick the correct answer:
E. Papers I Xeroxed
F. Wi-Fi veteran
G. Yourself ourselves
H. Breaks even
1. H, F, G, H
2. E, G, F, H
3. H, F, G, E
4. H, E, F, G

2. The number of squares in the above figure is
1. 30
2. 29
3. 25
4. 20

3. A shopkeeper purchases a product for Rs.100 and sells it making a profit of 10%. The customer resells it to the same shopkeeper incurring a loss of 10%. In these dealings the shopkeeper makes
1. no profit, no loss
2. Rs. 11
3. Re. 1
4. Rs. 20

4.Five congruent rectangles are drawn inside a big rectangle of perimeter 165 as shown. What is the perimeter of one of the five rectangles?

1. 37
2. 75
3. 15
4. 165

5. A person walks downhill at 10 km/h, uphill at 6 km/h and on the plane at 7.5 km/h. If the person takes 3 hours to go from a place A to another place B, and 1 hour on the way back, the distance between A and B is
1. 15 km.
2. 23.5 km.
3. 16 km.
4. Given data is insufficient to calculate the distance.

6. A vessel is partially filled with water. More water is added to it at a rate directly propor-tional to time Which of the following graphs depicts correctly the varia-tion of total volume V of water with time t?

7. At one instant, the hour hand and the minute hand of a clock are one over the other in between the markings for 5 and 6 on the dial. At this instant, the tip of the minute hand
1. is closer to the marking for 6
2. is equidistant from the markings for 5 and 6
3. is closer to marking for 5
4. is equidistant from the markings for 11 and 12

8. A bird leaves its nest and flies away. Its distance x from the nest is plotted as a function of time t. Which of the following plots cannot be right?

9. A cubical cardboard box made of 1 cm thick card board has outer side of 29 cm.  A tight - fitting cubical box of the same thickness is placed inside it, then another one inside it and so on. How many cubical boxes will be there in the entire set?
1.29
2.28
3.15
4.14

10. Secondary colours are made by a mixture of three primary colours, Red, Green and Blue, in different proportions; each of the primary colours comes in 8 possible levels. Grey corresponds to equal proportions of Red, Green and Blue. How many shades of grey exist in this scheme?
1. 83
2. 8
3. 38
4. 8*3

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