Advertisements
Advertisements
Question
Find out the correct sentence
- Hybridisation means crossing between genetically dissimilar plants
- Cross between two varieties is called as interspecific hybridisation
- Introducing genes of the desired character into a plant gives genetically modified crop
- Cross between plants of two species is called inter varietal hybridisation
Options
(i) and (iii)
(ii) and (iv)
(ii) and (iii)
(iii) and (iv)
Solution
(i) and (iii)
Explanation:
The process of crossing two genetically dissimilar plants to produce a hybrid having good traits of both is called I hybridisation. The crossing may be intervarietal (between different varieties), intergeneric (between different genera), inter-specific (between different species of the same genus). Genetically modified crops are produced by the insertion of genes of desired traits.
APPEARS IN
RELATED QUESTIONS
Give economic importance of apiculture
Differentiate between inbreeding and outbreeding in cattle.
Write the effect of the high concentration of L.H. on a mature Graafian follicle
What is artificial insemination? Mention two ways in which it is useful in the breeding of dairy animals
Put a tick mark (✓) against the correct alternative in the following statement:
Identify the indigenous breed of poultry of India:
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following is a bacterial disease of cattle in which the animal gets swelling on body parts, especially on the neck ?
- Cow pox
- Anthrax
- Salmonellosis
- Rinderpest
Briefly explain the term Pisciculture.
Differentiate between an egger and a broiler.
Answer the following question.
Beekeeping practice is a good income generating industry.
Write the different points to be kept in mind for successful beekeeping.
Write the scientific name of the most common Indian species used for the purpose.
Cattle husbandry is done for the following purposes
- Milk Production
- Agricultural work
- Meat production
- Egg production
