Tag: taxonomy and systematic botany

Questions Related to taxonomy and systematic botany

Artificial systems gave equal weightage to vegetative and sexual  characteristics; this is not acceptable because often ____ characters are more easily affected by environment. 

botany taxonomy and systematic botany taxonomy and systematics systematics of living world kingdom plantae plant taxonomy classification of biodiversity

  1. vegetative

  2. sexual

  3. anatomical

  4. physiological

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Correct Option: A
Explanation:

Artificial systems of classification were based upon vegetative and sexual characteristics, where both vegetative and sexual characteristics were given equal weightage. It was not acceptable because vegetative characters are more easily affected by environment.

______ classification systems were based on evolutionary relationships between various organisms. 

botany taxonomy and systematic botany taxonomy and systematics systematics of living world kingdom plantae plant taxonomy classification of biodiversity

  1. Natural

  2. Artificial

  3. Phylogenetic

  4. Both (a) and (b)

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Correct Option: C
Explanation:

Classification based on evolutionary relationships of organisms is called phylogenetic system of classification.

The accumulation of non-biodegradable substances in a food chain in increasing amount at each higher trophic level is known as _____________.

botany taxonomy and systematic botany plant taxonomy taxonomy and systematics classification of biodiversity

  1. Accumulation

  2. Eutrophication

  3. Pollution

  4. Bio magnification

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Correct Option: D
Explanation:

The increase in concentration of non-biodegradable substance with subsequent trophic level of a food chain is called bio-magnification.

Bentham and Hooker's system of classification is published in the book

botany plant taxonomy taxonomy and systematics taxonomy and systematic botany classification of biodiversity

  1. Genera Plantarum

  2. Species Plantarum

  3. Phylum Plantarum

  4. None of the above

Show answer
Correct Option: A
Explanation:

Bentham and Hooker's system of classification is published in the book Genera Plantarum. It was published in 3 volumes from the year 1862 to 1883. It is a natural system of classification. In this book, they arranged the species according to the system. They grouped 97,205 species of flowering plants into 202 orders.

Thus, the correct answer is 'Genera Plantarum.'