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

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