Which of the following is not a limitation of classical taxonomy?
It relies heavily on morphological characteristics, which can be subject to convergent evolution.
It may not accurately reflect evolutionary relationships.
It can be difficult to distinguish between homologous and analogous traits.
It incorporates molecular data for a more comprehensive analysis.
Related Questions
Arrange the following plants in the ascending order based on the number of carpels they possess I.Oenothera II.Acacia melanoxylon III.Squill IV.Lettuce
IV, III, I, II
II, IV, III, I
II, III, IV, I
I, IV, III, II
Identify the characters of gynoecium found in members of Asteraceae, Fabaceae, Liliaceae and Solanaceae, respectively. I. Tricarpelly syncarpous, ovary superior and trilocular. II.Bicarpellary syncarpous, ovary superior and usually bilocular. III.Bicarpellary syncarpous, ovary inferior and unilocular. IV.Monocarpellary, ovary half-inferior and unilocular.
I, II, III, IV
III, IV, I, II
II, III, IV, I
IV, III, II, I
Two plants βAβ and βBβ belonging to Solanaceae are observed. In plant βAβ, the number of locules in the ovary of a flower is half of that of its carpel number. In plant B, the number of locules in the ovary of a flower is double the number of carpels. Identify the plants βAβ and βBβ respectively
Capsicum, Datura
Cestrum, Petunia
Withania, Solanum
Lycopersicon, Nicotiana
Which one of the following represents the floral characters of Poaceae?
Pedicellate, bracteates, bisexual, tetramerous, actinomorphic, complete and superior ovary
Pedicellate, bracteates, bisexual, pentamerous, zygomorphic, complete and superior ovary
Sessile, bracteates, bracteolate, incomplete, uni or bisexual, perianth modified into lodicules, stamens three, syncarpous, superior ovary and feathery stigma
Bracteate, unisexual, actinomorphic, stamens five and inferior ovary
Two plants βAβ and βBβ belonging to Solanaceae are observed. In plant βAβ, the number of locules in the ovary of a flower is half of that of its carpel number. In plant B, the number of locules in the ovary of a flower is double the number of carpels. Identify the plants βAβ and βBβ respectively
Nicotiana, Datura
Datura, Nicotiana
Solanum, Petunia
Atropa, Capsicum
Identify the characters of gynoecium found in members of Asteraceae, Fabaceae, Liliaceae and Solanaceae, respectively. I. Tricarpelly syncarpous, ovary superior and trilocular. II.Bicarpellary syncarpous, ovary superior and usually bilocular. III.Bicarpellary syncarpous, ovary inferior and unilocular. IV.Monocarpellary, ovary half-inferior and unilocular.
II, I, III, IV
III, IV, I, II
IV, III, II, I
I, II, IV, III
A plant is considered to possess all advanced morphological characters based on the evolutionary significance. Which one of the following sets of characters does the plant denote the same?
Dioecious condition, gamopetalous corolla and multiple fruit
Actinomorphic flowers, free stamens and endospermic seeds
Perennial life span, dichlamydous flower and simple fruit
Simple leaves, monoecious condition and apocarpous pistil
A plant with actinomorphic and hypogynous flowers, heterochlamydeous perianth, dorsifixed and extrorse anthers dehiscing transversely belongs to
Coronariae
Bicarpellatae
Thalamiflorae
Calyciflorae
Which of the following is not a characteristic feature of Fabaceae?
Descendingly imbricate, ten stamens, diadelphous, ovary superior
Sepals five, gamosepalous, imbricate aestivation, placentation marginal
Monocarpellary, ovary superior, style long, slightly bent at the apex
Corolla, five petals, polypetalous, anterior one large and outermost
Arrange the following plants in the ascending order based on the number of carpels they possess I.Oenothera II.Acacia melanoxylon III.Squill IV.Lettuce
IV, III, I, II
II, IV, III, I
II, III, IV, I
I, IV, III, II