NCERT Based Test: Taxonomic Aids


10 Questions MCQ Test NCERTs for NEET | NCERT Based Test: Taxonomic Aids


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Attempt NCERT Based Test: Taxonomic Aids | 10 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study NCERTs for NEET for NEET Exam | Download free PDF with solutions
QUESTION: 1

'Key' is a taxonomical aid used for the identification of organisms. Each statement in key is called ______

Solution:

Key is a taxonomical aid used for identification of plants and animals Based on the similarities and dissimilarities. The keys are based on contrasting characters generally in a pair called couplet. It represents the choice made between two opposite options, which results in acceptance of only one and rejection of the other. Each statement in the key is called a lead. Separate taxonomic keys are required for each taxonomic category such as family, genus and species for identification purposes. Keys are generally analytical in nature.

QUESTION: 2

Which of the following figures represents the correct method of pressing plants to form herbarium sheets?

Solution:

A herbarium is a collection of plants, which have been dried pressed, mounted on herbarium sheets, identified and classified according to some approved system of classification. The storage of herbarium sheets forms a repository for future use.
Following points are need to be considered during the preparation of herbarium sheets:
(i) Plant should be collected in flowering stage.
(ii) Every detail regarding the plant such as locality, ecological conditions, vegetative and floral characters, etc. should be noted.
(iii) Plants are evenly pressed by unfolding all the plant parts between blotting papers (or newspapers) with the help of plant pressers.
(iv) Botting papers are required to be changed regularly until the plant gets dried.
(v) After drying, the plant specimen is carefully mounted/pasted on the herbarium sheets.
(vi) The herbarium sheet is labelled on the lower right hand corner representing the number of plant specimen, date of collection, etc.

QUESTION: 3

Botanical gardens mainly serve the purpose of providing

Solution:

Botanical gardens are sufficiently large sized tracts where plants belonging to different types and localities are grown for scientific and educational purposes.
Botanical gardens are useful in:
(i) Providing plant material for comparative taxonomic studies.
(ii) Functioning as acclimatization centres for exotic plants of economic importance.
(iii) Growing and maintaining records of local flora.
(iv) Growing plants of various types for research.
(v) Providing seeds and living materials to different research centres.
(vi) Co-ordinating research through International Association of Botanical gardens.
(vii) EX-Situ conservation (conservation of selected rare plants/ animals in places outside their natural homes) of endangered plant species.

QUESTION: 4

Study the following statements and select the correct ones.
(i) Herbarium is a store house of collected plant specimens that are dried, pressed and preserved on sheets.
(ii) Flora provides the index to the plant species found in a particular area.
(iii) Monographs contain information on only one taxon.

Solution:

Correct option is D)

(i) An herbarium is a storehouse of collected plant specimens that are dried, pressed, and preserved on sheets.

(ii) Flora is a book that provides information to the habitat, distribution, climate, index of the plant species found in a particular area.

(iii) Monographs contain information on only one taxon.

So, the correct option is D.

QUESTION: 5

Match Column-I with Column-ll and select the correct option from codes given below.
Column-I
(A) Royal botanical garden, kew
(B) Indian botanical garden
(C) National Botanical Research Institute
(D) Lloyd Botanical Garden
Column-ll
(i) Lucknow
(ii) England
(iii) Howrah
(iv) Darjeeling

Solution:

National Botanical Garden, Lucknow is situated on the bank of Gomti in the city of Lucknow, spread over an area of 70 acres. The garden groups a large number of trees, palm, cacti, orchids, ornamentals, medicinal plants and ferns. There are laboratories devoted to different fields of research. The institute part devoted to research is called National Botanical Research Institute (NBRI). Lloyd Botanical Garden, Darjeeling specialises in alpine and other cold area plants, orchilds ferns, lianas, etc. It is spread over an area of 40 acres.

QUESTION: 6

Match Column I with Column-ll and select the correct option from the codes given below.
Column-I
(A) Botanical garden
(B) Zoological park
(C) Museum
(D) Herbarium
Column-II
(i) Preserved plant specimens
(ii) Preserved plant and animal specimens
(iii) Living plants
(iv) Living wild animals

Solution:
  • Botanical gardens are sufficiently large sized tracts where plants of different types and areas are grown for scientific and educational purposes.
  • Zoological parks are the places where wild animals are kept in protected environments under human care and which enable us to learn about their food habits and behaviour. Museums have collections of preserved plant and animal specimens for study and reference.
  • Specimens are present, in the containers or jars in preservative solutions. Plant, animal specimens may also be preserved as dry specifmen Insects are preserved in insea boxes after collecting, kills and pinning. Larger animals like birds and mammals, and usually stuffed and preserved. Museums often has, collections of skeletons of animals.
  • A herbarium is a collection of plants, which have been, dried, pressed, mounted on herbarium sheets, identified, classified according to approved system of classification.
QUESTION: 7

The plants growing in an area surrounded by a geographical or political boundary will be included in

Solution:
QUESTION: 8

Arboretum is a part of botanical gardens where

Solution:

A botanical garden exclusively growing trees  is called as arboretum.

QUESTION: 9

Read the following statements and select the correct option
Statement 1: Zoological parks are the places where wild Anime animals are kept in protected environments under human care and which enable us to learn about their food habits and behaviour.
Statement 2: Adequate arrangements for the treatment, medication, regular check up and pathological investigations are absolutely necessary to be made for the health, care and unkeep of the animals.

Solution:
QUESTION: 10

Match Column-I with Column-ll and select the correct option from the codes given below.
Column-I
(A) Ecology
(B) Herbarium
(C) Holotype
(D) Taxon
Column-ll
(i) Relationships of organisms and environment
(ii) Original specimen cited by an author
(iii) A hierarchical unit
(iv) Collection of wild and domestic plants

Solution:

A particular specimen or illustration designated by author to represent the type of a species is referred to hofotype. It is now essential to designate a holotype with publishing a new species.

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