GEOGRAPHY MCQS SET 75

GEOGRAPHY MCQS SET 75

741) Consider the following statements
1. Eluviation-A horizon
2. Illuviation - B horizon
Which of the above statements is/are true?
A) Only 1
B) Only 2
C) Both 1 and2
D) None of these

Answer: Both 1 and2
   
742) Which one of the following plants have nitrogen-fixing capacity?
A) Rice and wheat
B) Maize and sugarcane
C) Jute and rice
D) Gram and other pulses

Answer: Gram and other pulses
   
743) The plants growing in water are called
A) hydrophytes
B) xerophytes
C) hygrophytes
D) mesophytes

Answer: hydrophytes
   
744) Xerophytes are
A) plants that grow in areas of high rainfall
B) plants which can withstand high degree of salinity
C) plants which grow in areas of moderate moisture supply
D) plants which can withstand extreme aridity

Answer: plants which can withstand extreme aridity
   
745) The smallest distinctive division of the soil of a given area is
A) pedon
B) polypedon
C) horizon
D) soil profile

Answer: pedon

746) Plants growing in areas of high temperature are called
A) microtherms
B) megatherms
C) mesotherms
D) endotherms

Answer: megatherms
   
747) Minor climatic variations in the environment lead to
A) modifications in plant bodies
B) exclusion of most of the existing plant species
C) better development of the plant bodies
D) no change in the character of the vegetation

Answer: modifications in plant bodies
   
748) Thorns in cacti are
A) modified stems
B) stems
C) modified leaves
D) None of the above

Answer: modified leaves
   
749) Mark the most correct statement
A) Vegetation is determined by climate
B) Climate and vegetation have a two-way relation
C) Soil of an area is determined by only the climate
D) Climate, soil and vegetation all are interrelated

Answer: Climate, soil and vegetation all are interrelated
   
750) Which one of the following best represents a Biochore?
A) An area of vegetation having uniformity of life form
B) An area of vegetation having same type of climate
C) An area of vegetation having large trees
D) An area of vegetation having grasslands

Answer: An area of vegetation having uniformity of life form