Tag: taxonomy and systematic botany

Questions Related to taxonomy and systematic botany

Which of the following is not a variation in rose plant?

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

  1. Spines

  2. Tendrils

  3. Leaf Margin

  4. Coloured plants

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Correct Option: A

What type of fruit will be produced by fixing the stock of sour juice producing branch on scion of plant having sweet branch?

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

  1. Sweet and fibrous

  2. Sweet and juicy

  3. Sour and juicy

  4. Sour and fibrous

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Correct Option: A

Prolongation of thalamus beyond carpel is present in?

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

  1. Foeniculum

  2. Silene

  3. Passiflora

  4. Both $(2)$ and $(3)$

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Correct Option: A

The rootlets are repeatedly swollen thus giving a beaded appearance in?

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

  1. Dahlia

  2. Momordica

  3. Curcuma

  4. Ipecac

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Correct Option: A

How many of the following features are exclusively associated with flowering plants ?
Presence of seeds, occurrence of fruit, Reduced male gametophyte, Double fertilisation, Diplontic life cycle, Triploid endosperm

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

  1. 6

  2. 5

  3. 4

  4. 3

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Correct Option: A

A multicarpellary, syncarpous gynoecium is found in

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

  1. Papaver

  2. Michelia

  3. Hibiscus

  4. More than one option is correct

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Correct Option: A

Which of the following classification is based in some morphological characters?

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

  1. Artificial

  2. Natural

  3. Phylogenetic

  4. Both (A) and (c)

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Correct Option: A

Phytochemistry is not the basis of classification in

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

  1. Artificial system

  2. Chemotaxonomy

  3. Natural system

  4. More than one option is correct

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Correct Option: A

The taxonomist who laid great emphasis on the structure and position of ovule in flower was 

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

  1. Hutchinson

  2. Bessey

  3. Tippo

  4. Eichler

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Correct Option: B
Explanation:

Bessey considered spermatophyta as having a polyphyletic origin, being composed by three different phyla, of which he only treated angiosperms. The most primitive, original flower had many separate petals, stamens and carpels. As they evolved, the parts of the flowers either fused together, reduced or became absent. The simple structures are not primitive, but have become simple as a result of a reduction from more complex parts. An example of the primitive flower would be the Ranunculus, buttercup flowers. A more advanced type of flowering plant would be the catkin inflorescences.

Concept of phylogeny was proposed by

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

  1. John Ray

  2. Lamarck

  3. Ernest Haeckel

  4. Darwin

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Correct Option: C
Explanation:

Darwin proposed the theory of natural selection to explain the process of evolution. Natural selection refers to unequal ability of individuals to survive and reproduce based on suitability of their inherited characters to prevailing environmental conditions; option D is incorrect. According to inheritance of acquired characters, a theory given by Lamarck, individual acquire characters under influence of needs as posed as changing environmental conditions; these characters are inherited. He explained evolution the long-necked giraffes from short-necked giraffes on the basis of his theory; option B is incorrect. John Ray proposed the typological species which is defined as a group of organisms that are morphologically similar irrespective of their breeding compatibility. It determines species as a static entity which can interbreed within their limit of variations and hence, is also termed as static concept; option A is incorrect. Haeckel coined the term phylogeny to refer study of ancestral relationship, lineages and that of evolutionary history of a taxonomic group; he built the first genealogical tree of life and proposed the biogenetic law which states that ontogeny repeats phylogeny. Here, ontogeny refers to life history of an individual and phylogeny is the history of evolution of the individual; option C is correct. Thus, the correct answer is option C.