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

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