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.Management Sciences
Category: Biology Mcqs
Lungs are covered with double layered thin membranous sac called___________?
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A. Disphragm
B. Pleura
C. Pericardium
D. Rib cage
Which of the following tracheophytes are leafless?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Prteropsida
An enzyme which converts a dipeptide into separate amino acids is an example of__________?
A. Decarboxylase
B. Hydrolase
C. Oxidoreductase
D. Transferase
In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
A. Mitosis
B. Meiosis
C. Both depending upon the conditions
D. None of these
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
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