Tag: classification of biodiversity

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

The scientist(s) who gave artificial system of classification is/are

  1. Joseph Dalton Hooker

  2. George Bentham

  3. Linnaeus

  4. Engler and Pranti
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Carolus Linnaeus (1707- 1778), regarded as the “Father of Systematic Botany”‘, published an artificial system based exclusively on floral characters. Linnaeus sexual system based on floral characters is the most advanced of artificial classification. Linnaeus classifies all the flowering plants under twenty-four classes on the basis of floral character, which includes:
i. A number of stamens present in a flower.
ii. Insertation of floral parts into the thalamus.
iii. Arrangement adhesion and distribution of stamens.
iv. Nature of anther and filaments and their arrangement.
So, the correct answer is 'Linnaeus'.
Multiple choice botany taxonomy and systematic botany taxonomy and systematics systematics of living world kingdom plantae plant taxonomy classification of biodiversity

Aristotle classify plants into

  1. Trees

  2. Shrubs

  3. Trees, shrubs and herbs

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Classification is the arrangement of living organisms into groups on the basis of similarities and dissimilarities between them and placing within taxonomic hierarchy such as kingdom, genus, species etc. Aristotle was the first to give a scientific basis for classification. He classified living organisms into two groups; plants and animals.
He divided plants into trees, shrubs and herbs on the basis of simple morphological characters.
So, the correct answer is 'Trees, shrubs and herbs'.
Multiple choice botany taxonomy and systematic botany taxonomy and systematics systematics of living world kingdom plantae plant taxonomy classification of biodiversity

In which year 'Mayer' was awarded by the international prize of biology:-

  1. $1983$
  2. $1997$
  3. $1994$
  4. $1999$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ernest Mayr was awarded the international prize of biology in the field of Systematic Biology and Taxonomy in the year 1994.

So, the correct option is '1994'.

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

Which is essential and is the prime sources of taxonomic studies of plants and animals?

  1. Identification

  2. Nomenclature

  3. Classification

  4. Collection of actual specimen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world using morphological, behavioural, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications including those that are new to science.

So, the correct option is 'Identification'.

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

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

  1. Spines

  2. Tendrils

  3. Leaf Margin

  4. Coloured plants
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tendrils are specialized structures for climbing found in many plants, but they are not a standard variation found in rose plants, which typically have thorns/prickles.

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

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

  1. Sweet and fibrous

  2. Sweet and juicy

  3. Sour and juicy

  4. Sour and fibrous
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In grafting, the scion determines the characteristics of the fruit produced, while the stock provides the root system.

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

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

  1. 6

  2. 5

  3. 4

  4. 3
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All listed features (seeds, fruit, reduced male gametophyte, double fertilization, diplontic life cycle, triploid endosperm) are characteristic of angiosperms (flowering plants).