DPPGE: 26 February

1. What is die difference between asteroids and comets? (2011)

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.

Which of the statements given above is/are correct?

(a.) 1 and 2 only

(b.) 1 and 3 only

(c.) 3 only

(d.) 1, 2 and 3

2. Which of the following is/are unique characteristic/characteristics of equatorial forests?

1. Presence of tall, closely set trees with crowns forming a continuous canopy
2. Coexistence of a large number of species
3. Presence of numerous varieties of epiphytes

Select the correct answer using the code given below:

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

3. Which  one  of the  following pairs  is  not correctly matched?

(a) Chicago                      :        Lake Michigan

(b) Cleveland                   :      Lake Erie

(c) Detroit                       :       Lake Superior

(d) Toronto                      :       Lake Ontario

4. Consider the following

1. Strong winds              2.     Long winter nights
3. Cloudy sky                 4.     Cold dry air

Which  of the  above are the  ideal  conditions  for the formation of temperature inversions?

(a) 1, 2 and 3

(b) 2 and 4

(c) 1, 2 and 4

(d) 2 and 4 only

5. Match List-I (Landforms) with List-II (Processes) and select the correct answer using the code given below the lists:

(Landforms)                     (Processes)
A. Natural lances         1.      Aeolian
B. Eskar                         2.     Karst
C. Polje                          3.     Fluvial
D. Barkhan                   4.     Glacial/Glaciofluvial
Code:
A  B  C   D
(a)   1  3   2    4
(b)   3   2   4   1
(c)   1  2   3    4
(d)   3  4   2    1

6. With  reference  to  earthquakes  which  one  of  the following statements is not correct?

(a) L waves travel along the surface of the earth’s crust.

(b) As the P waves propagate, they move material in a path parallel to the direction of movement.

(c) S  waves  move  objects  at  right  angles  to  their direction of motion.

(d) S waves propagate through even liquid material.

7. Consider the following statements:                                       

1. The  decrease  of temperature  with  increasing latitude is more pronounced in north Atlantic ocean than the south Atlantic ocean.
2. The vertical distribution of temperature in enclosed seas  of  higher  latitudes  registers inversion  of temperature.

Which of the statements given above is/are correct?

(a) 1 only

(b)  2 only

(c) Both 1 and 2

(d)  Neither  1 nor 2

8. Consider the following statements:

1. General characteristics  of westerlies  are  largely modified by cyclones and anti-cyclones.
2. Westerlies are the most dominant wind systems in middle latitudes.
3. Westerlies become more vigorous in the southern hemisphere.

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

9. Consider the following statements:

1. The boundary of a National park is circumscribed by legislation whereas that of a Biosphere Reserve is not circumscribed by legislation.
2. In a National park, particularly attention is paid to the conservation of genepools whereas it is not so in a Wildlife Sanctuary.
Which of the statements given above is/are correct?

(a) 1 only

(b)   2 only

(c)   Both 1 and 2

d)   Neither  1  nor 2

10. Among the following types of ecosystems, the annual average rate of net plant production is highest in

(a)   Temperate grassland

(b)   Savannah

(c)   Coniferous forest

(d)  Temperate forest