Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
A series of hypothesis supported by the results of many tests is called ?
A: Scientific law
B: Theory
C: Data
D: Deduction
Theory
Which are the four most abundant elements in living cells ?
A: carbon, oxygen, nitrogen, sulfur
B: carbon, oxygen, hydrogen, nitrogen
C: carbon, oxygen, sulfur, phosphorus
D: carbon, sulfur, hydrogen, magnesium
carbon, oxygen, hydrogen, nitrogen
Which one is not correct for a productive theory?
A: It is predictive
B: It has explanatory power
C: It discourages suggestion of different hypotheses
D: None of these
It discourages suggestion of different hypotheses
Conclusion of Mendels work latter became a_____________?
A: Scientific hypothesis
B: Theory
C: Scientific law
D: Productive theory
Scientific law
Breeders have developed new and better varieties of food items by using which technique?
A: Pasteurization
B: Hydroponic culture technique
C: Genetic engineering
D: Biological control techniques
Genetic engineering
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
A: Environmental biologist
B: Paleontologist
C: Marine biologist
D: Social biologist
Paleontologist
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
A: Concentration of water molecules inside and outside the cell
B: Concentration of enzymes on either side of the cell membrane
C: Rate of molecular motion on either side of the cell membrane
D: None of these
Concentration of water molecules inside and outside the cell
It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?
A: Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
B: Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
C: Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D: Older sediment layers did not have these radioactive isotopes
Older sediment layers have less amount of these radioactive isotopes as that of the young ones.