List of top Botany Questions on Morphology

Which among the following do not represent the correctly matched group? A. Dermatogen - Periblem - Plerome B. Calcium oxalate - Raphides - Cystoliths C. Sieve tube element - P Proteins - Companion cell D. Sieve cell - Sieve tube element - Perforation plates E. Sieve plate - Sieve area - Callose. Choose the correct answer from the options given below:

Which among the following are correct statements? A. Protophloem is a part of secondary phloem B. Included phloem constitutes phloem strands in secondary xylem C. Secondary phloem originates from procambium D. Internal phloem constitutes phloem strands in pith E. Included phloem constitutes phloem strands in pith. Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The labellum of flowers in Zingiberaceae and Orchidaceae are analogous. Reason (R): The labellum in Zingiberaceae is formed by the fusion of petaloid stamens of inner staminal whorl and labellum in Orchidaceae is formed from inner tepal. In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the plants with the following characters in a sequence:

A) Annual plants found in dry weather
B) Submerged in water without rooted in mud
C) No contact with soil, present on surface of water
D) Perennial plants to withstand prolonged drought conditions

Identify the floral formula of the following characters.
Ebracteolate, United perianth, pentacarpellary syncarpous, zygomorphic, superior ovary, bisexual.

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