Class 12BiologyStrategies for Enhancement in Food ProductionMix Examples- Strategies for Enhancement in Food Production
MediumAccording to $NCERT$ text, which of the following are steps involved in the selection and testing of superior recombinants in plant breeding?
- AIt involves the selection of plants among the progeny of the hybrids with desired combinations of characters.
- BThe hybrids are superior to both the parents; this is called hybrid vigour.
- CThey are self-pollinated for several generations until they reach a state of uniformity or homozygosity in order to avoid the segregation of characters in the future progeny.
- DAll of the above.
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Which method undergoes continuous changes and improvements over time?
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View SolutionConsider the following statements:
$I$. The progeny of cross-breeding may be used for commercial production.
$II$. In case of artificial insemination,the semen can be used immediately or can be frozen for later use.
$III$. Controlled breeding experiments are carried out using artificial insemination and multiple ovulation embryo transfer technology.
Which of the statements given above are correct?
$I$. The progeny of cross-breeding may be used for commercial production.
$II$. In case of artificial insemination,the semen can be used immediately or can be frozen for later use.
$III$. Controlled breeding experiments are carried out using artificial insemination and multiple ovulation embryo transfer technology.
Which of the statements given above are correct?
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View SolutionCrop rotation is used by farmers to increase
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View SolutionMatch the following columns:
List-$I$ List-$II$ $(a)$ $MOET$ $(1)$ $Apis \text{ } indica$ $(b)$ Plant breeding $(2)$ Cattle improvement $(c)$ Bee-keeping $(3)$ $Spirulina$ $(d)$ $SCP$ $(4)$ Green Revolution
| List-$I$ | List-$II$ |
| $(a)$ $MOET$ | $(1)$ $Apis \text{ } indica$ |
| $(b)$ Plant breeding | $(2)$ Cattle improvement |
| $(c)$ Bee-keeping | $(3)$ $Spirulina$ |
| $(d)$ $SCP$ | $(4)$ Green Revolution |
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View SolutionWhy do a large number of people in India suffer from 'hidden hunger'? Provide a scientific reason.
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