Variety among amino acids is produced due to_____________??
A. NH2 group
B. COOH group
C. R group
D. All of these
Category: Biology Mcqs
Cell wall is extremely well preserved in fossil specimens in__________??
A. Diatoms
B. Dinoflagellates
C. Slime moulds
D. None of these
In some cases the blastomere can produce complete embryo the cleavage will be___________??
A. Spiral and determinate
B. Radial and indeterminate
C. Spiral and indeterminate
D. Radial and determinate
Shell of egg is leathery in appearance in___________??
A. Amphibians
B. Reptiles
C. Birds
D. Prototherians
PCR stand for _________??
A. Polymerase chain reaction
B. Poly carbomyl reaction
C. Peptide chain reaction
D. Pentapeptide chain reaction
Lenticels look like__________??
A. A big pore
B. Stoma
C. Sponge
D. Cars or small protusions
Circulatory system is open type in all of the following except:___________??
A. Arthropoda
B. Gastropoda
C. Pelecypoda
D. Cephalopoda
Which of the following bacteria do not have flagella commonly__________??
A. Cocci
B. Bacilli
C. Streptobacilli
D. Vibrio
The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________??
A. Neutral point
B. Compensation point
C. Parallel point
D. Competitive point
Which of the following is not nocturnal??
A. Bedbug
B. Mosquito
C. Butterfly
D. Cockroach
