Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?
A: White
B: Red
C: Blue
D: Green
Red
Which of the following is antagonist to Auxin in terms of promotion of stem growth______________?
A: Gibberellins
B: Cytokinins
C: Abscisic Acid
D: none of these.
Abscisic Acid
Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?
A: Gibberellins
B: Cytokinins
C: Auxins
D: Ethene.
Gibberellins
The only promoter of leaf senescence in the following plant hormones is________________?
A: Gibberellins
B: Cytokinins
C: Auxins
D: Abscisic Acid
Abscisic Acid
Which of the following is used in brewing industry to promote malting_______________?
A: Gibberellins
B: Cytokinins
C: Auxins
D: Abscisic Acid
Gibberellins
Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched
A: Isotomous
B: Dichotomously
C: Trichotomously
D: Multichotomously
Dichotomously
Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?
A: Psilopsida
B: Lycopsida
C: Sphenopsida
D: Prteropsida
Sphenopsida
Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?
A: Psilopsida
B: Lycopsida
C: Sphenopsida
D: Prteropsida
Lycopsida
Which of the following tracheophytes are leafless?
A: Psilopsida
B: Lycopsida
C: Sphenopsida
D: Prteropsida
Psilopsida