Biology, asked by rudrakshkumar16, 8 months ago

1. Who discovered viroids?
(a) Ivanowsky
(6) Beijerink
(c) Diener
(1) Sunley
2. The flowers of cucurbits are:
(a) hypogynous
(b) epigymous
(c) pengynous
(d) ygomorphia
3. Define the following with regard to taxonomic keys
(a) Couplet
(b) Lead
Or
Name the following:

Answers

Answered by anna5purna6

Answer:

1. (c) Theodor Otto Diener

2. (b) Epigynous

3. (a) Taxonomic keys are written characteristic information that helps a person to identify an unknown species of living organism. Couplet contains pair of contrasting characters which means two opposite description of an organism. The users sort out the description that best fits the organism.

(b) The keys are taxonomic literature based on the contrasting characters generally a pair called couplet. 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.

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