The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as :

1. Lead

2. Couplet

3. Doublet

4. Alternate 

Subtopic:  Taxonomical Aids: Part 2 | Taxonomical Aids |
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Match the items given in Column I with those in Column II and select the correct option given below- 
Column I Column II
a.  Herbarium  i. It is a place having a collection of preserved plants and animals. 
b. Key  ii. A list that enumerates methodically all the species found in an area with brief description aiding identification. 
c.  Museum  iii. Is a place where dried and pressed plant specimens mounted on sheets is kept. 
d.  Catalogue  iv. A booklet containing a list of characters and their alternates which are helpful in identification of various taxa.


1. a-i b-iv c-iii d-ii
2. a-iii b-ii c-i d-iv
3. a-ii b-iv c-iii d-i
4. a-iii b-iv c-i d-ii

Subtopic:  Taxonomical Aids: Part 1 | Taxonomical Aids: Part 2 | Taxonomical Aids |
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The label of a herbarium sheet does not carry information on
1.  date of collection
2.  name of collector
3.  local names
4.  height of the plant

Subtopic:  Taxonomical Aids: Part 2 | Taxonomical Aids |
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Which one of the following is not a correct statement?

1. Botanical Gardens have collection of living plants for reference.

2. A museum has collection of photographs of plants and animals

3. Key is taxonomic aid for identification of specimens.

4. herbarium houses dried, pressed and preserved plant specimens

Subtopic:  Taxonomical Aids: Part 1 | Taxonomical Aids |
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