Category: Biology Mcqs
Life span of Red Blood Cells
A, 150 Days
B, 120 Days
C, 80 Days
D, 100 Days
Scurvy and beri – beri and caused by the deficiency of___________?
A. Vitamin B and C
B. Vitamin B and D
C. Vitamin C and B
D. Vitamin A and B
Specialized protective coverings around megasporangium which vary in number are called_________________?
A. Sporangium
B. Integuments
C. Ovule
D. Pericarp
Chitin in cockroach is absent in____________?
A. Epicuticle
B. Exocuticle
C. Endocuticle
D. All of these
Coccobacillus has a shape similar to________________?
A. Diplobacillus
B. Sarcina
C. Egg
D. None of these
The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?
A. High specific heat of vaporization
B. High specific heat capacity
C. Its Dipole nature
D. Its liquid state
The chloroplasts of diatoms and chrysophycean algae do not possess____________?
A. Chloryphyllpigments
B. Enzymes for photolysis
C. Defined grana and stroma
D. Carotenes with chlorophylls
The zygote formed in liverworts is___________?
A. Unicellular
B. Mulicellular
C. Multinucleate
D. None of these
Central nervous system of man consists of______________?
A. Brain
B. Spinal cord
C. Both of these
D. none of these
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
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