Chemically auxins are____________?
Chemically auxins are____________?
A. Indole propionic acid.
B. Indole carboxylic acid.
C. Indole acetaldehyde
D. Indole acetic acid.
Chemically auxins are____________? Read More »
Biology McqsChemically auxins are____________?
A. Indole propionic acid.
B. Indole carboxylic acid.
C. Indole acetaldehyde
D. Indole acetic acid.
Chemically auxins are____________? Read More »
Biology McqsChlorosis, i.e., yellowish hue on the leaves results from_____________?
A. Accumulation of toxic waste products in leaves.
B. Deficiency of chlorophyll.
C. Short supplies of mineral nutrients in the soil.
D. All of these
Chlorosis, i.e., yellowish hue on the leaves results from_____________? Read More »
Biology McqsWhich of the following tracheophytes are leafless?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Prteropsida
Which of the following tracheophytes are leafless? Read More »
Biology McqsSporangia 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
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
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
Maize is an example of_________________?
A. Monocot
B. Dicot
C. Gymnosperms
D. none of these
Maize is an example of_________________? Read More »
Biology McqsWhich of the following statement about dicots is incorrect _________________?
A. They have 4 or 5 sepals and petals or their multiple.
B. They have parallel vein pattern on their leaves
C. They are both herbaceous and woody
D. Vascular bundles are ring shaped in their stems.
Which of the following statement about dicots is incorrect _________________? Read More »
Biology McqsThe first cell of the sporophyte generation is______________?
A. Oospore
B. Spore mother cell
C. Spore
D. Gamete
The first cell of the sporophyte generation is______________? Read More »
Biology McqsMonocots are characterized by___________?
A. Number of sepals and petals are 2 or multiple of 2
B. Number of sepals and petals are 3 or multiple of 3
C. Number of sepals and petals are 4 or multiple of 4
D. Number of sepals and petals are 5 or multiple of 5
Monocots are characterized by___________? Read More »
Biology Mcqs