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February 7, 2017

World And Indian Geography Test-5-Bio-Geography

Welcome to your World And Indian Geography Test-5-Bio-Geography

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1) Evergreen forests indicate a climate with
2) Consider the following statements
1.Eluviation - A horizon
2.Illuviation - B horizon
Which of the above statements is/are true?
3) A large unit of vegetation having uniformity of not only the life form but also of adaptation of environment is called
4) What happens to the soil, where soil water freezes and it tends to form ice layers parallel with the ground surface?
5) The Savanna is a
6) The typical structure of a tropical forest is
7) Soil water available to plants is maximum in
8) Mark the most correct statement
9) Salinisation occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
10) Which one of the following plants have nitrogen-fixing capacity?
11) Coniferous trees are so named on the basis of the
12) The plants growing in water are called
13) Plants growing in areas of high temperature are called
14) Which one among the following is a characteristic of evergreen forest?
15) Going from poles to the equator the variety of plants
16) Which regions are known for having pure stands of single species of trees?
17) What is the smallest unit of vegetation having internal homogeneity and adaptation to its environment?
18) Where are the broad leaf trees most common?
19) Minor climatic variations in the environment lead to
20) Before the climatic climax vegetation evolves, there are some stages of short term equilibrium between the plants and the environment. Such a short term climax is called
21) What soil particles are present in loamy soils?
22) Which one of the following best represents a Biochore?
23) Capillaries are most effective in
24) In which Biochore the structure of vegetation is significantly determined and maintained by periodic fires?
25) Thorns in cacti are
26) The nature of vegetation in the world changes according to
27) The smallest distinctive division of the soil of a given area is
28) The term deciduous implies
29) The term Taiga’ means
30) Xerophytes are

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