[Solutions]
Q.1 Consider the following Indian rivers:
1. Ramganga
2.Gomati
3.Son
4.Hugli
5. Kosi
Which of the above rivers are the left bank tributaries of Ganga?
a) 1, 2, 3 and 4 only
b) 1, 2 and 4 only
c) 1, 2 and 5 only
d) 2, 3, 4 and 5 only
Ans-[C]
Son is the right bank tributary of Ganga. Other right bank tributaries of Ganga are Yamuna and Hugli.
All other are left bank tributaries.
Q.2 Consider the following statements:
1. Rainfall occurs in winters while summers are practically rainless
2. Summers are warm with bright sunlight , winters too are pleasant
3. Oranges and Olives are cultivated
These are characteristics of which type of climate:
a) Monsoon
b) Savannah
c) Continental Steppes
d) Mediterranean
Ans-[D]
All the above statements are characteristics of Mediterranean Climate. Summers are virtually rainless because due to the shifting of wind belt, this region comes under the trade winds, while in winters it comes under westerlies and experiences rains.
Due to rainless summer plants with thick skin like oranges and olives are cultivated.
Q.3 Consider the following statements:
1. Energy always flows from higher to lower trophic level
2. Only 1/10th of energy is passed on to the next level
Which of the statements given above is/are true?
a) 1 only
b) 2 only
c) Both 1 and 2
d) None
Ans- [B]
Energy always flows from lover trophic level to higher trophic level. Statement 2 is correct
Q.4 Which of the following ranges lie in Greater Himalayas?
a) Pir Panjal
b) Kailas
c) Dhauladhar
d) None of these
Ans-[B]
Some of the important ranges of Greater Himalayas are Zaskar, Kailas, Ladakh,Karakoram
Q.5 The term ‘Sere’ denotes:
a) Sequence of communities succeeding each other in the course of ecological succession.
b) Process of obtaining silk by rearing silkworm
c) An area under the threat of desertification
d) None of these
Ans-[A]
Statement a) is standard definition of sere.
Q.6 In which of the following stages of landform development, downward cutting is dominated?
a) Youth Stage
b) Early Mature Stage
c) Late Mature Stage
d) Old Stage
Ans-[A]
During the youth stage, the river is very swift and has high velocity. Thus, downward cutting takes place so rapidly that lateral cutting cannot keep up.
Q.7 The term ‘Arribada’ refers to:
a) Peculiar traits in a specie which differentiates it from other species
b) The peculiar behavior of synchronized nesting in Olive Ridley turtles
c) The process of loss of pigmentation in coral reefs
d) None of these
Ans-[B]
Self-explanatory
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