Ecosystem not found in Pakistan is_____________?
A. Tropical rain forest
B. Temperate deciduous forest
C. GraSSLand
D. Tundra
In Hardy-Weinberg formula P2 represents frequency of_____________?
A. Recessive allele
B. Dominant allele
C. Homozygous dominant individual
D. Homozygous recessive individual
In condition of high temperature, following does not occur or occurs at low level__________?
A. Vasodilation
B. Activation of sweat glands
C. Thermogenesis
D. Evaporative cooling
“lubb” sound is produced due to___________________?
A. Opening of inlet valve
B. Closure of inlet valve
C. Opening of outlet valve
D. Closure of outlet valve
Who coined the term CELL?
A. Schwann
B. Schleiden
C. Robert hook
D. Both a and b
Ozone depletion occurs commonly due to_______________?
A. Carbon dioxide
B. Chlorofluorocarbons
C. Uv rays
D. Deforestation