Key

Q.

Couplet in taxonomic key means .......... .

Q. The contrasting characters in a key which are generally in a pair is called

1. couplet
2. doublet
3. twice
4. lead

Q. Identify the wrong statement about key:

1. The keys are based on the contrasting characters generally in a pair called couplet.

2. Each statement in the key is called a lead.
3. Keys are generally analytical in nature.
4. Keys have specimens which are a repository for future use.

Q.

Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

(a) monographs

(b) flora

(c) Both (a) and (b)

(d) None of these

Q.

10. How is a key helpful in the identification and classification of an organism?

Q. In which group of taxonomic aids only the means of recording descriptions are included :

1. Botanical Garden, Museum, Monographs
2. Botanical gardens, Museum, Keys
3. Flora, Manual, Monograph
4. Botanical Gardens, Herbarium, Keys

Q.

What is each statement in a key called?

Q.

Which of the following is a taxonomial aid prepared on the basis of similarities and dissimilarities?

1. Herbarium

2. Biological Key

3. Monograph

4. Museum

Q.

Chemotaxonomy is connected with the

1. classification of chemicals found in plants

2. use of photochemical data in systematic botany

3. application of chemicals on herbarium sheets

4. use of statistical methods in chemical yielding plants

Q.

A student of taxonomy was puzzled when told by his professor to look for a key to identify a plant. He went to his friend to clarify what 'key' the professor was referring to? What would the friend explain to him?

Q. Select true and false statement and choose correct answer from the option given below:

I. Taxon is a group of related organism.
II. Homo sapiens is the scientific name of human.
III. Royal Botanical Garden is located in Bristol (England).
IV. Dudhwa National Park is located at Lakhimpur in UP.
V. There are about 89 wildlife sanctuaries and 492 National Parks in India
VI. When specific name is identical to generic name it is an example of tautonyms.

1. True-I, III, V, False-II, IV, VI
2. True-I, II, III, False-IV, V, VI
3. True-II, IV, VI, False-V, III, I
4. True-VI, V, IV, False-III, II, I

Q.

The most convenient way for easy identification of plants and animals by applying diagnostic features is the use of?

1) Botanical gardens

2) Herbaria

3) Museums

4) Taxonomic keys

Q.

What does a couplet refer to?

Q. Assertion :Monographs are useful in providing information for identification of names of all genera only. Reason: Monographs contains information on more than one taxon.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Mention some taxonomical tools used to identify plants and animals.

Q. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

1. monographs
2. flora
3. both a & b
4. none of these

Q. Couplet represents the choice made between two opposite options which results in

1. rejection of both options
2. acceptance of both options
3. either acceptance or rejection of both options
4. acceptance of only one and rejection of the other

Q. Develop a taxonomic key for the following : cat, dog, cow, buffalo, goat, sheep, parrot, hen, duck.

Q. Which of the following have a strong sense of smell?

1. Dog
2. Cat
3. Mosquitoes
4. Both A and C

Q. How many characters were selected by Mendel for his experiment? Write the names of any two characters.

Q. Horns, nails and hairs are composed of

1. Collagen
2. Elastin
3. Keratin
4. Cutin

Q. A lead is

1. each statement in the key
2. the information given in floras
3. a contrasting character in the key
4. a description of single taxon

Q. What is common between Parrot, Platypus and kangaroo ________________.

1. Homoeothermy
2. Toothless jaws
3. Fundional post-anal tail
4. Ovoparity

Q. Identification key for an animal is the presence of mammary glands, ear and wings. The animal would be

1. bird
2. humans
3. bat
4. fish

Q. How many pairs of characters were chosen by Mendel for his study with garden pea?

1. 3
2. 5
3. 7
4. 14

Q. Number of linkage groups in Pisum sativum is

1. 8
2. 4
3. 7
4. 2

Q.

Define screening effect

Q. What is the basic difference of Indented Key &Bracketed Key?

Q. Scientific name of Sea Pen/Sea Feather is

1. Velella
2. Gorgonia
3. Pennatula
4. Porpita

Q. Liver of rabbit is made up of

1. 4 lobes
2. 5 lobes
3. 6 lobes
4. 7 lobes