Ncert Exercises & Solutions

A collection of all the alleles of all the genes of a crop plant is called

1. germplasm collection

2. protoplasm collection

3. herbarium

4. somactonal collection

(a) Germpiasm collection is the entire collection of plants/seeds having all the diverse

alleles for all genes in a given crop. The given definition does not fit in other options.

because protoplasm collection deals mainly with collection of protoplast, ie. plant cell

without cell wall

A herbarium is a museum of preserved plants that are used for botanical research,

mainly in identification and classification of plants,

Somaclonal collection involves plants produced from a single cell which are genetically

variable from their parents.

Page 171, XII NCERT