(A) Hybrid vigour or heterosis is the phenomenon where the progeny of a cross between two genetically different inbred lines shows superior traits com

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(A) Hybrid vigour or heterosis is the phenomenon where the progeny of a cross between two genetically different inbred lines shows superior traits compared to the parents.Maize $(Zea \, mays)$ is the classic model organism used extensively in plant breeding to study hybrid vigour due to its high degree of cross-pollination and the ease of creating inbred lines.

Class 12 Biology Strategies for Enhancement in Food Production Method of Plant Breeding

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The plant, which is used for studying hybrid vigour or heterosis is

A
Maize
B
Pea
C
Datura
D
None of these

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Class 12 Questions

Class 12

Biology Questions

Chapter

Strategies for Enhancement in Food Production

Subtopic

Method of Plant Breeding

Which radiations are primarily used to induce mutations in crops?

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Match the following columns:

Column-$I$ Column-$II$

$P$. Semi-dwarf varieties of wheat $I$. Sonalika

$Q$. Semi-dwarf varieties of rice $II$. $IR-8$

$III$. Jaya

$IV$. Kalyan Sona

$V$. Taichung Native-$I$

$VI$. Ratna

Column-$I$	Column-$II$
$P$. Semi-dwarf varieties of wheat	$I$. Sonalika
$Q$. Semi-dwarf varieties of rice	$II$. $IR-8$
	$III$. Jaya
	$IV$. Kalyan Sona
	$V$. Taichung Native-$I$
	$VI$. Ratna