(A) Glaciers
(B) Desert
(C) Island
(D) Volcanoes
Answer: (B) Desert
Q. A mixed woodland-grassland ecosystem characterized by the trees being widely spaced so that the canopy does not close is known as:
(A) Savanna
(B) Tundra
(C) Grassland
(D) None of these
Answer: (A) Savanna
Q. In biology, the above ground portion of a plant community or crop, formed by the collection of individual plant crown is called:
(A) forest
(B) trees group
(C) canopy
(D) None of these
Answer: (C) Canopy