Q. Contour bunding is a method of soil conservation used in
(A) Desert margin, liable to strong wind action
(B) Low flat plains, close to stream courses, liable to flooding
(C) Scrublands, liable to spread to weed growth
(D) None of the above
Ans: (D)
Q. Which of the following adds/add nitrogen to the soil?
1. Excretion of urea by animals
2. Burning of coal by man
3. Death of vegetation Select the correct answer using the code given below.
(A) Only 1
(B) Only 2 and 3
(C) Only 1 and 3
(D) 1, 2 and 3
Ans: (C)
Q. Assertion (A): Earthworms are not good for agriculture. Reason (R): Earthworms break down the soil into fine particles and make it soft. Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (D)
Q. Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Soils)
(a) Podzol
(b) Chernozem
(c) Spodosols
(d) Laterite List-II (Climate region)
1. Temperate cold steppe
2. Cold temperate
3. Hot and humid
4. Humid cold temperate
Code (a) (b) (c) (d)
(A) 2 1 4 3
(B) 3 4 2 1
(C) 2 3 4 1
(D) 4 1 3 2
Ans: (A)
Races andTribes
Q. The first bird is believed to have appeared on the surface of the Earth
(A) 300 million years ago
(B) 200 million years ago
(C) 150 million years ago
(D) 100 million years ago
Ans: (C)
Q. Which of the following is considered to be the most recent?
(A) Heidelberg humans
(B) Cro-Magnon humans
(C) Pilt magnon humans
(D) Neanderthal humans
Ans: (B)
Q. ‘Transhumance’ refers to
(A) Migration of animals in ranches
(B) Human migration in search of Job
(C) Seasonal movement of people and their herds from valley to mountain and vice-versa
(D) Migration of nomads
Ans: (C)
Q. The most common areas of nomadic herding are
(A) Hot humid regions
(B) Cold humid regions
(C) Rainy areas
(D) Dry areas
Ans: (D)
Q. Which racial group has the largest number of members?
(A) Negroid
(B) Mongoloid
(C) Australoid
(D) Caucasoid
Ans: (D)
Q. Which continent is known as ‘the Cradle of Mankind’?
(A) Asia
(B) Africa
(C) Europe
(D) South America
Ans: (B)
Q. The native African tribe ‘Pygmies’ are found in which of the following river basins?
(A) Niger
(B) Congo
(C) Nile
(D) Zambezi
Ans: (B)
Q. The original home of the Gypsies was
(A) Egypt
(B) Russia
(C) India
(D) Persia
Ans: (C)
Q. In which of the following regions are Pygmies found?
(A) Sahara
(B) Kalahari
(C) Equatorial forest
(D) Pampas
Ans: (C)
Q. Pigmies are inhabitants of
(A) Africa
(B) Asia
(C) Australia
(D) South America
Ans: (A)
Q. Which one of the following is not pastoral nomads?
(A) Pygmies
(B) Kazaks
(C) Masai
(D) Lapps
Ans: (A)
Q. Among the four house types shown below, which one represents the house type of the Pygmies?
(A)
(B)
(C)
(D)
Ans: (A)
Q. Which of the following is correctly matched?
(A) Eskimo – Canada
(B) Oraon – Japan
(C) Lapps – India
(D) Gonds – Africa
Ans: (A)
Q. Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(A) Keystone species
(B) Allopatric species
(C) Sympatric species
(D) Threatened species
Ans: (A)
Q. Eskimos are inhabitants of
(A) Canada
(B) Mongolia
(C) Malaya
(D) Sri Lanka
Ans: (A)
Q. Which of the following is correctly matched?
(A) Eskimo – Amazon Basin
(B) Pigmy – Irawadi Basin
(C) Bundu – Sahara
(D) Bushman – Kalahari
Ans: (D)