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Test: Classification Systems (NCERT)


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10 Questions MCQ Test Biology Class 11 | Test: Classification Systems (NCERT)

Test: Classification Systems (NCERT) for NEET 2022 is part of Biology Class 11 preparation. The Test: Classification Systems (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Classification Systems (NCERT) MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Classification Systems (NCERT) below.
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Test: Classification Systems (NCERT) - Question 1

Select the incorrect pair.

Detailed Solution for Test: Classification Systems (NCERT) - Question 1

Chemotaxonomy is based upon the characteristics of various chemical constituents of organisms. Chemical constituents of plant species have been found to be unvarying and do not change easily. Chemical characters have also helped in establishing relationships and statistical evaluation of taxonomic information.

Test: Classification Systems (NCERT) - Question 2

Artificial systems of classification were based upon

Detailed Solution for Test: Classification Systems (NCERT) - Question 2

Artificial systems of classification were based upon morphological characters (such as habit, habitat, colour, number and shape of leaves, etc.) for grouping of organisms, They were mainly based on vegetative characters or on the androecium structure. These systems separated the closely related species since they were based only on a few characteristics. This was not acceptable because vegetative characters are more easily affected by environment

Test: Classification Systems (NCERT) - Question 3

______ systems of classification were based on natural affinities among the organisms.

Detailed Solution for Test: Classification Systems (NCERT) - Question 3

Natural system of classification takes into consideration comparable study of number of characters so as to bring out natural similarities and dissimilarities and hence natural relationships among the organisms. They include morphological characters, anatomical characters, cytological characters, physiology, ontogeny or development, reproduction, cytochemistry and biochemistry, experimental taxonomy, etc.

Test: Classification Systems (NCERT) - Question 4

Match Column-I with Column-II and select the correct option from the codes given below.
Column-I
(A) Artificial system of classification
(B) Natural system of classification
(C) Phylogenetic system of classification
Column-II
(i) Bentham and hooker
(ii) Linnaeus
(iii) Englar and Prantl

Detailed Solution for Test: Classification Systems (NCERT) - Question 4
  • Artificial system of classification, put forward by Linnaeus uses one or two morphological characters for grouping of organisms.
  • Natural system of classification takes into consideration comparable study of a number of characters so as to bring out natural similarities and dissimilarities and hence natural relationship among the organisms. A natural system for classification of seed Plants was proposed by Bentham add Hooker (1862-1883) in their three-volume treatise 'Genera Plantarum.
  • Classification based on evolutionary relationships of organisms is called phylogenetic system of classification. First phylogenetic system was proposed by Engler and Parental (1887-99). In their treatise 'Die Naturlichen famillen' Engler and Prantl arranged flowering plants according to increasing complexity of their floral morphology.
Test: Classification Systems (NCERT) - Question 5

Which out of the following are included under tracheophyta i.e., vascular plants?

Detailed Solution for Test: Classification Systems (NCERT) - Question 5

Tracheophyta are those plants which possess conducting or vascular tissues, xylem and phloem. Xylem transports water and minerals while phloem conducts organic food. Tracheophytes include pteridophytes, gymnosperms and angiosperms.

Test: Classification Systems (NCERT) - Question 6

Match Column-I with Column-ll and select the correct option from the codes given below.
Column-I
(A) Non-vascular cryptogams
(B) Vascular cryptogams
(C) Phanerogams
Column-II
(i) Gymnosperms, angiosperms
(ii) Pteridophytes
(iii) Algae, bryophytes

Detailed Solution for Test: Classification Systems (NCERT) - Question 6

Cryptogame refers to plants without seeds and Phanerogamae refers to plants with seeds. Algae and bryophytes are non-vascular cryptogams. Pteridophytes are vascular cryptogams. Gymnosperms and angiosperms are phanerogams.

Test: Classification Systems (NCERT) - Question 7

System of classification that employs numerical data to evaluate similarities and differences is known as

Detailed Solution for Test: Classification Systems (NCERT) - Question 7

Phenetics is a system of classification based on similarity between organisms without regard to their evolutionary relationships. In this type of classification the organisms are arranged according to over all similarity of existing organisms based on observable characters.

Test: Classification Systems (NCERT) - Question 8

Natural system of classification differs from artificial system in

Detailed Solution for Test: Classification Systems (NCERT) - Question 8

The natural system of classification differs from an artificial system in bringing out similarities and dissimilarities. The natural system of classification takes into account a study of a number of characters among the organisms. It brings out natural similarities and dissimilarities between organisms. It takes into consideration the natural relationships among the organisms. It considers characters that are relatively constant.

Test: Classification Systems (NCERT) - Question 9

Each character is given equal importance and at the same time hundreds of characters can be considered in 

Detailed Solution for Test: Classification Systems (NCERT) - Question 9

Numerical taxonomy evaluates resemblances and differences or primitiveness and advancement through statistical methods based on a large number of characters obtained from all disciplines of biology. This is followed by assigning them number and code of computer like plus (+) minus (-) followed by computer analysis.

Test: Classification Systems (NCERT) - Question 10

Which of the following is classified as eukaryotic?

Detailed Solution for Test: Classification Systems (NCERT) - Question 10

All species can be defined as either prokaryotes or eukaryotes. Prokaryotes are always single-celled and have no membrane-bound organelles. All bacteria and archaea are prokaryotes. Eukaryotes can be unicellular or multicellular and have membrane-bound organelles, including a nucleus. Protista is a sub-category of eukaryotes that are unicellular.

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