GEOGRAPHY MCQS SET 77

GEOGRAPHY MCQS SET 77

761) 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
A) an edaphic climax
B) a short term climax
C) a temporary climax
D) an eco-climax

Answer: an edaphic climax
   
762) The Savanna is a
A) forest vegetation of tropical regions
B) tropical mixed vegetation dominated by grasses
C) temperate type of grassland having only grasses
D) type of vegetation adapted to arid climate

Answer: tropical mixed vegetation dominated by grasses
   
763) Which one among the following is a characteristic of evergreen forest?
A) The trees never shed their leaves
B) All the trees do not shed their leaves simultaneously
C) When the trees are leafless, grasses remain green
D) The name has nothing to do with greenery as such

Answer: All the trees do not shed their leaves simultaneously
   
764) Evergreen forests indicate a climate with
A) copious rainfall
B) high temperature
C) moderate rainfall
D) year-round adequate rainfall

Answer: year-round adequate rainfall
   
765) Where are the broad leaf trees most common?
A) Hot and humid areas
B) Cool and humid areas
C) Hot and dry areas
D) Mountainous areas

Answer: Hot and humid areas

766) The leaf size of vegetation is a function of
A) temperature
B) moisture availability
C) altitude
D) temperature and moisture both

Answer: temperature and moisture both
   
767) In dry regions the leaf size becomes smaller due to
A) reducing metabolism
B) reducing transpiration
C) maintaining growth
D) protecting plant from animals

Answer: reducing transpiration
   
768) Which of the following regions are characterised by little undergrowth, trees of several layers?
A) Tropical rain forest
B) Tropical savanna
C) Tropical desert
D) Taiga

Answer: Tropical rain forest
   
769) Which of the following factors is considered as a passive soil former?
A) Climate
B) Time
C) Biota
D) Parent material

Answer: Time
   
770) Soil that owes its colour to oxides of iron is
A) regur
B) bangar
C) laterite
D) alkaline

Answer: laterite