The only promoter of leaf senescence in the following plant hormones is________________??
A. Gibberellins
B. Cytokinins
C. Auxins
D. Abscisic Acid
Category: Biology Mcqs
Pigment present in red algae is_____________??
A. fucoxanthin
B. phycocyanin
C. phycoerythrin
D. bilirubin
Which of the following marine fishes are considered direct descendents of fresh water ancestors??
A. Hagfish
B. Jelly Fish
C. Star Fish
D. Bony fishes
Vocal cords are stretched across_______??
A. Larynx
B. Pharynx
C. Golttis
D. None of these
A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________??
A. Active site
B. Binding site
C. Catalytic site
D. Allosteric site
Mitosis is divided into_____________??
A. Karyokinesis
B. Cytokinesis
C. Interphase
D. Both a
