Sunday, 9 March 2014

CSIR Lifesciences December 2012 part A solved

Part A

1. How many minimum no. of days are there in a leap year from friday the 13th to the next friday the
13th.
a. 28
b. 91
c. 72
d. 36

2. In a Museum there is a display of coins, with the dates written on them. These are the following,
coins. identify the fake coin:
a. 1837 AD
b. 1907 AD
c. 1947 AD
d. 200 BC

3. Cucumber has 99% water content. a boy bought 100 kgs of cucumber today. he kept if for a
period of 30 days. The water content reduced to 98%. What will be the net weight of Cucumber
after it.
a. 99kg
b. 2 kg
c. 75 kg
d. 80 kg

4. A peacock perched on a tree 12 meter high. A snake was reaching it hole at the base of the tree
from a distance 3 times the height of the tree. The peacock and the snake were travelling at the
same speed. At what distance from the tree will the peacock get the snake?
a. 12
b. 10
c. 18
d. 16

5. 25% of 25% of a thing is X%. what % of x then?
a. 6.25
b. 12.5
c. 15
d. 7.5

6. A pole of length 'a' is placed at the centre of a hexagonal field with sides b, and rope is tied from
the top of the pole to a vertex of hexagon. What is the length of the rope?
a. Root 2 a


7.
In the diagram, Angle ABC = Π/2. Each side of triangle ABC is the base of a semicircle and I,II and III represents the area of the semicircle. Then which of the statements is correct?
a. I2 + II2 = III2
b. I2 + II2 > III2
c. I2 + II2 < III2
d. I + II = III

8. A solid slab of dimensions 2m*5m*3m is cut into smaller slabs of dimensions 2m*5m each of
width 5cm. These small slabs were placed in a 2m wide pavement. What is the length of the
pavement that can be covered with these slabs?
a. 100 m
b. 200 m
c. 300 m
d. 400 m

9. A person standing at Point A in the diagram shown below starts moving diagonally to the middle
of the square. Then he takes a left turn and after moving some distance, he takes a 90° turn
clockwise and moves straight ahead. Again after moving some distance, the person takes 180°
turn anticlockwise. Now which direction is the person facing?
a. NE
b. NW
c. SE
d. SW




12. In the map given below, two cities A and B are 7 cm apart (given scale 1 = 50000). A river follows in a semicircle route between the 2 cities. What is the length of the river in km?
a. 1.1 km
b. 11 km
c. 5.5 km


13. In a state, all the cities are interconnected by roads. The city which is connected to odd number of
other cities is called an odd city. A city which is connected to even number of other cities is called
an even city. Out of the following possibilities which cannot be true?
a. There can never be odd number of odd cities
b. There can never be odd number of even cities
c. There can never be even number of odd cities


14. A student was observing the distance covered by 4 snails with respect to time from a point A and
he plotted graphs. Which of the following graphs cannot be correct?


Ans is d

15. A rectangular paper was folded in such a way that vertex A of the rectangle coincided with vertex
C and the paper was folded across line PQ. If AD = 4 and CD = 3, then what is the length of PQ?
(AP=PC and AQ=QC).
Ans 3.6

No comments:

Post a Comment