Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?
A. Active transport
B. Passive transport
C. Co-transport
D. Counter transport
Biology Mcqs
Ecosystem not found in Pakistan is_____________?
Ecosystem not found in Pakistan is_____________?
A. Tropical rain forest
B. Temperate deciduous forest
C. Grassland
D. Tundra
Which of the following is most constant abiotic component of ecosystem___________?
Which of the following is most constant abiotic component of ecosystem___________?
A. Air
B. Water
C. Land
D. Gravity
Percentage of proteins in cell membrane is____________?
Percentage of proteins in cell membrane is____________?
A. 20-40%
B. 40-50%
C. 60-80%
D. 80-100%
_____________ supported theory of special creation?
_____________ supported theory of special creation?
A. Linnaeus
B. Aristotle
C. Mendel
D. Lamarck
In Hardy-Weinberg formula P2 represents frequency of_____________?
In Hardy-Weinberg formula P2 represents frequency of_____________?
A. Recessive allele
B. Dominant allele
C. Homozygous dominant individual
D. Homozygous recessive individual
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
A. Theodor Schwann and Schleiden
B. Rudolph Virchows
C. Louis Pasteur
D. Both b and c
In condition of high temperature, following does not occur or occurs at low level__________?
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___________________?
“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?
Who coined the term CELL?
A. Schwann
B. Schleiden
C. Robert Hook
D. Both a and b