Strategies for Enhancement Questions

A collection of plants and seeds having diverse alleles of all the genes of a crop is called:

'Himgiri' developed by hybridisation and selection for disease resistance against rust pathogens is a variety of:

"Jaya" and "Ratna" developed for green revolution in India are the varieties of:

When two unrelated individuals or lines are crossed, the performance of $F_1$ hybrid is often superior to both its parents. This phenomenon is called:

Green revolution in India occurred during:

Consider the following four statements (a–d) and select the correct ones:(a) Single cell Spirulina can produce large quantities of food rich in protein.(b) Methylophilus methylotrophus may produce several times more proteins than cows per day.(c) Common button mushrooms are a very rich source of vitamin C.(d) A rice variety has been developed which is very rich in calcium.

In plant breeding programmes, the entire collection of plants/seeds having all the diverse alleles for all genes in a given crop is called: