Q: Briefly describe various steps involved in the development of improved varieties of crop?
A: Crops include plants or plant products that can be grown and harvested for profit or subsistence.…
Q: If a hybrid corn is planted in a poor soil, will it hybrid characteristics still exhibit? why?
A: A hybrid plant is the result of cross-pollinating two different plant varieties and growing the seed…
Q: Explain the reason behind the color Dark green-dark brown result in Benedict's test in leaves
A: * Glucose is a monossacharide with aldehyde that produces alcohol. * Glucose forms as a result of…
Q: For what the genetically modified brinjal has been developed in india?
A: The genetically modified brinjal has been developed in India for giving resistance against…
Q: Why was hybridization carried out between species of Sugarcane in North India & that grown in…
A: Plant breeding is the science of changing the traits of plants in order to produce desired…
Q: What are the methods used for testing phenolics in plants?
A: Phenolic compounds are the phytochemicals that are found in all plants. It consists of simple…
Q: Define predication. Give some example of predication.
A: Biologists explain the natural phenomenon through various predictions, tests, and observations.…
Q: Give one difference between a hybrid and a somatic hybrid.
A: A somatic hybrid is made from somatic cells whereas a hybrid is the result of fusion of gametes.…
Q: Why is it so expensive to produce a hybrid plant seed?
A: Hybrid plants are produced when plant breeders intentionally cross-pollinate the two different…
Q: Why is it impossible to cross a green and an albino plant?
A: Albinism is a result of genetic aberration that causes lack of pigments. In animals due to albinism,…
Q: What are the advantages of breeding for disease-resistance in plants?
A: Plants resistant to disease are protected from any pathogen attack and it depends on plant genetic…
Q: What is the phenotype of the hybridization of Brassica campestris and Brassica nigra in brief…
A: Brassica is a plant genus that includes cabbage and mustard plants (Brassicaceae). Informally,…
Q: What are millets in plant breeding?
A: Milletes are small seeded crops such as pearl,ragi, sorghum. they are said to be rich in mineras and…
Q: What are pure bred strains, P1 , F1 and F2 generations?
A: The pure breeding lines were used as the parental generation (P) in the crosses conducted by Mendel.…
Q: What are main step in breeding a new genetic variety of crop?
A: Crop breeding is carried out to generate new and improved varieties of crops by altering the genetic…
Q: How Monoploid Plants Are Useful to Plant Breeders?
A: Ploidy is the number of copies of homologous chromosomes in the genome of an individual. If the…
Q: What arre the function of wheat and rice in plant breeding?
A: Plant Breeding is a technique to produce new varieties of plants that are superior to their parents.…
Q: What are glyphosate resistant crops?
A: Glyphosate is an ingredient of an herbicide called Roundup. The herbicide is not affective against…
Q: Name two better yielding varieties of rice developed in India?
A: In India, Rice production is essential for the national economy. India produces world’s largest…
Q: Who developed hybrid corn in the United States?
A: A hybrid plant is the result of cross pollinating two different plant varieties and growing the seed…
Q: What is the Size variation between domesticated tomatoes and their wild relatives?
A: Artificial or selective breeding is a technique through which the crop varieties are improved to…
Q: What are the procedures for seed certification used in Pakistan?
A: Certification of seeds has the goal of seed certification is to ensure that high-quality seeds and…
Q: What is meant by purebred strains of plants?
A: Purebred stain means an organism always transfer a particular phenotypic characteristic to the…
Q: Using monoploid plants to select for herbicide resistance?
A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…
Q: What is breeding resistant for plant cultivars? Explain
A: The main aim of plant breeding is to produce crops and seeds with traits like better yield, disease…
Q: What are the function of mutation in plant breeding?
A: Mutation means sudden changes occur in DNA sequences. The mutation occurs randomly. It also occurs…
Q: Explain the role of plants breeding for disease resisence?
A: Plant breeding involves the use of various techniques for the production of the new crop varieties…
Q: Is also resistant to d following individuals from the current year's crop: Individual A-Yield: 179…
A: Drought is one of every of the most important abiotic stresses that have an effect on rice…
Q: Multiple Choice Which of the following genetic engineering techniques is used to develop…
A: The correct option is . B - Transgenic breeding
Q: With which trait golden rice is a transgenic crop of the future?
A: In the genetically modified crops, the DNA of plants is modified by using methods of genetic…
Q: How does a reducing agent work? Give an example of areducing agent.
A: Reducing agent ( reducer) is basically an element or compound which loses (or in other words…
Q: Name any five hybrid varieties of crop plants which have been developedin India.
A: The process of “producing hybrid” plants or crops is called hybridization. This method has been…
Q: What is the backgroud study about the eksotika malaysia papaya and its relation to genetic…
A: Carica papaya L., commonly known as papaya, papaw or pawpaw (in Australia), and Mamao (in Brazil),…
Q: Why are interspecies hybrids usually sterile? How can the sterility of interspecies hybrids be…
A: Why are interspecies hybrids usually sterile? ANSWER:- Interspecies hybrids are usually sterile…
Q: How rbcL gene distinguish between Japonica cultivars and Indica cultivars?
A: Ribulose-bisphosphate carboxylase (rbcL) gene is found inside the chloroplasts of photosynthetic…
Q: Which are two types of yellow peas?
A: Yellow and green split peas have a comparative healthful substance and cooking time, yet yellow peas…
Q: What is cross-breeding of plants?
A: Animals and plants reproduce by mating and producing offspring.Plant breeding is the process of…
Q: The aim of a research project is to produce a hybrid plant having resistance to disease. The disease…
A: Tissue culture is a technique in which small tissue pieces or organs are removed from a donor plant…
Q: How do positive and negative selection techniques contribute to the development of GM crops?
A: GM crops are the crops that are modified genetically. Positive and negative selection techniques are…
Q: What is bagging technique? How is it useful in a plant breedingprogramme?
A: Artificial hybridization is a technique where only desired pollen are introduced to the stigma…
Q: What does a sub-cause represent
A: Causes can be defined as the factors or the events that are responsible directly or indirectly to…
Q: The technique used to obtain variety with high yield and other desirable characteristics is…
A: Hi, Thanks For Your Question. Answer : Correct Option Is A (Hybridization). Explanation : The…
Q: Would the mutant strain have an advantage over the wild- type strain? Explain your answer
A: A mutation is a permanent change in the DNA of a cell such that the sequence deviates from what is…
Q: What then would be the phenotype of plant that had a genotype Tt?
A: Step 1 Phenotype is an observable external manifestation of morphological or physiological…
Q: Of the approximately 200 GM crop varieties that have been developed, only a few are widely used.…
A: GM crops are genetically modified crops.
Q: An auxotrophic mutant
A:
Q: What is bagging technique? How is it useful in a plant breeding programme?
A: Bagging technique - B Bagging is the process of covering emasculated flowers with butter paper or…
Q: . In the designation of wheat genomes, how many chromosomes are represented by the letter B?
A: The cell is the most fundamental functional unit of life. Eukaryotic cells have a nucleus,…
What is the breeding for resistant plant cultivars.Explain
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- What are the albino seedlings using for energy? Will they be able to survive? How's it possible for a deleterious gene like that for feeblemindedness or hemophilia remains in a certain population?What are the function of mutation in plant breeding?Why is it so expensive to produce a hybrid plant seed?
- When two plants belonging to the same genus but different species are crossed, the F1 hybrid is more viable and has more ornate flowers. Unfortunately, this hybrid is sterile and can only be propagated by vegetative cuttings. Explain the sterility of the hybrid and what would have to occur for the sterility of this hybrid to be reversed.How rbcL gene distinguish between Japonica cultivars and Indica cultivars?Name two better yielding varieties of rice developed in India?