Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Botany - English Medium - Plant Breeding

Samacheer Kalvi 11th Bio Botany - Plant Breeding - Book Back Questions in English Medium


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Question 1 Of 10

Which one of the following are the species that are crossed to give sugarcane varieties with high sugar, high yield, thick stems and ability to grow in the sugarcane belt of North India?


Question 2 Of 10

Match Column I with Column II


Question 3 Of 10

Progeny obtained as a result of repeat self pollination a cross pollinated crop to called


Question 4 Of 10

Importing better varieties and plants from outside and acclimatising them to local environment is called


Question 5 Of 10

A Wheat variety, Atlas 66 which has been used as a donor for improving cultivated wheat, which is rich in


Question 6 Of 10

Jaya and Ratna are the semi dwarf varieties of


Question 7 Of 10

Assertion : Genetic variation provides the raw material for selection.
Reason : Genetic variations are differences in genotypes of the individuals.


Question 8 Of 10

Dwarfing gene of wheat is


Question 9 Of 10

Crosses between the plants of the same variety are called


Question 10 Of 10

Match column I (crop) with column II (Corresponding disease resistant variety) and select the correct option from the given codes.


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