Wind helps………………….
a) plants
b) animals
c) algae
d) fungi
Wind responsible in plants for…………
a) dispersal of seeds
b) pollination
c) dispersal of fruits
d) all of these
Humidity helps in………….
a) evaporation
b) transpiration
c) translation
d) both a and b
The upper layer of the earth’s crust is called….
a) mantle
b) core
c) soil
d) clay
Source of water and nutrients for plants present in…………..
a) atmosphere
b) soil
c) gravity
d) none of these
Fire is…………………...….component.
a) biotic
b) abiotic
c) ecosystem
d) none of these