How are mutations useful for crop improvement?

How are mutations useful for crop improvement? 
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Ans: Mutations bring about genetic variability in crops. Some of them are desirable and such plants are selected and further developed by hybridization. 
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Related questions

What are mutations? Explain the types of mutations.

Description : What are mutations? Explain the types of mutations. 

Last Answer : Ans: Mutation is sudden inheritable change in an organism. The various types of mutations are 1. Spontaneous mutations: These occur by themselves in nature and are very slow. Ex: Delicious apple. 2. Induced ... place in a small segment of DNA molecule i.e. a single nucleotide or a nucleotide pair. 

Differentiate between spontaneous and induced mutations?

Description : Differentiate between spontaneous and induced mutations? 

Last Answer : Ans: Mutations that occur themselves in nature are called as spontaneous mutations. Ex: GEB – 24 variety of Paddy. Mutations caused deliberately by using mutagens are called as induced mutations.  

What are mutations? Who discovered them?

Description : What are mutations? Who discovered them?

Last Answer : Ans: Sudden inheritable change in an organism is called as mutation. They were discovered by Victor Hugo de Vriese.  

Mass pedigree selection method of breeding is useful for improvement of — crop a. Self pollinated b. Cross pollinated c. Both a & b d. None of these

Description : Mass pedigree selection method of breeding is useful for improvement of — crop a. Self pollinated b. Cross pollinated c. Both a & b d. None of these

Last Answer : a. Self pollinated

Who recognized the importance of floral characters in Taxonomy? Why are floral characters more useful than vegetative characters in classification?

Description : Who recognized the importance of floral characters in Taxonomy? Why are floral characters more useful than vegetative characters in classification? 

Last Answer : Ans: Linnaeus. Floral characters show more variations and more stable than vegetative characters. 

What cross is useful in determining the genetic purity of gametes? Show with an example.

Description : What cross is useful in determining the genetic purity of gametes? Show with an example.  

Last Answer : Ans: Test cross. If it is done between an individual with Tt genotype and the recessive parent with tt genotype, 50% of the individuals obtained will be tall and the remaining are dwarf. 

The desired varieties of economically useful crops are raised bya) Vernalization b) Mutation c) Natural selection d) hybridisation

Description : The desired varieties of economically useful crops are raised bya) Vernalization b) Mutation c) Natural selection d) hybridisation 

Last Answer :  d) hybridisation 

The high yielding hybrid crop varieties to exploit hybrid vigour, the farmers need to Purchase fresh hybrid seed every year because: (a) Hybrid vigour is not long standing due to inbreeding depression (b) They are not allowed to grow their own seed (c) It is always associated with 4ncreased heterozygosity (d) Government has accepted Dunkel’s proposals

Description : The high yielding hybrid crop varieties to exploit hybrid vigour, the farmers need to Purchase fresh hybrid seed every year because: (a) Hybrid vigour is not long standing due to inbreeding ... (c) It is always associated with 4ncreased heterozygosity (d) Government has accepted Dunkel's proposals

Last Answer : Ans. ((a))

A plant breeder: waists to develop a disease resistant variety. What should he do first? a) Hybridisation b) Mutation c) Selection d) Production of crop

Description : A plant breeder: waists to develop a disease resistant variety. What should he do first? a) Hybridisation b) Mutation c) Selection d) Production of crop 

Last Answer :  c) Selection

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Description : What is considered the most useful and important improvement by Lord Karzan?

Last Answer : Farming Improvement

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Q2. What are the desirable agronomic characteristics for crop improvement? -Science

Description : Q2. What are the desirable agronomic characteristics for crop improvement? -Science

Last Answer : The essential agronomic features required for crop improvement are: Profuse branching along with tallness in any fodder crop Dwarfness in any cereals

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Description : What are the traits under unlimited condition for crop improvement? -Biology

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What are the traits under unlimited condition for crop improvement? -Biology

Description : What are the traits under unlimited condition for crop improvement? -Biology

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The oldest selection method of crop improvement

Description : The oldest selection method of crop improvement

Last Answer : Ans. Mass selection

The crop grown on degraded land for improvement is called

Description : The crop grown on degraded land for improvement is called

Last Answer : Ans.Conservation crop

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Description : How do you care for an orchid?

Last Answer : I have two, and they require almost no care except water. It is the time of year they shed their blossoms so don’t worry. In the spring they will come right back.

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Description : What is the mechanism for motion in plants?

Last Answer : dude, I think this can be googled…. ;-P sorry if i sound like a smart alec….

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Description : What is Cerebellum ?

Last Answer : The segment on the opposite side of the pons is the cerebellum. It stays in a very buoyant state.

Why do fruits fall prematurely ?

Description : Why do fruits fall prematurely ?

Last Answer : Hormone is the chemical substance that is produced in the cell and carried from the place of origin to control the functions of the cell at a distant place. Hormone deficiency causes various problems in ... of fruits. If the plant lacks a hormone called auxin, the fruit will fall off prematurely.

What does tropic movement mean ?

Description : What does tropic movement mean ?

Last Answer : Plants have the same sensory capacity as other organisms. Therefore, the stimulation that externally stimulates the plant body results in the movement and growth of the plant. These movements are called tropical movements. For example, the effect of light is to move towards the light of the stem.

What is the role of auxin in plants ?

Description : What is the role of auxin in plants ?

Last Answer : The role of auxin in plants is as follows : Prevents premature fall of fruit. Helps to produce seedless fruit. Auxin is also used for seed germination and weed control.

Where is the lenticel located ?

Description : Where is the lenticel located ?

Last Answer : Located on the lenticel stem.

What is the name of the reproductive organ ?

Description : What is the name of the reproductive organ ?

Last Answer : Stolon is the name of the reproductive organ.

What is the upper part of the embryonic root called ?

Description : What is the upper part of the embryonic root called ?

Last Answer : The upper part of the embryonic root is called the hypocotyl.

What does Patal propagate through ?

Description : What does Patal propagate through ?

Last Answer : Patal propagates through roots.

What is the seed after fertilization ?

Description : What is the seed after fertilization ?

Last Answer : After fertilization, the egg becomes a seed.

What happens after fertilization ?

Description : What happens after fertilization ?

Last Answer : After fertilization, the uterus becomes a result.

title : _

Description : title : _

Last Answer : Kachura branch stems are changed for reproduction.

Why Flowers Are Needed ?

Description : Why Flowers Are Needed ?

Last Answer : The outermost stem of a flower is called a circle. The stalk protects other parts of the flower especially from sun , rain and insects in the twenties. That is why swelling is required.

Why Insects Are Called A Means Of Pollination ?

Description : Why Insects Are Called A Means Of Pollination ?

Last Answer : A means of insect pollination. Insects swarm around to eat honey or attract beautiful colors. At this time the pollen sticks to the carrier. Whenever this carrier sits on another flower of the same species ... to the head of the next flower. This is why insects are called the medium of pollination.

What do you mean by inflorescence ?

Description : What do you mean by inflorescence ?

Last Answer : The flowers are arranged in a special way on a branch arising from the desired buds at the apex of the stem. This branch with flowers is called inflorescence. It is very important for ... is infinite then irregular inflorescence and if the growth is finite then it is called infinite inflorescence.

Explain "Shimal Animal Pollen Flower" ?

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Last Answer : Animal flowers are usually fairly large. However, even though it is small, the flowers are decorated with inflorescences. Their colors are attractive. All these flowers may or may not have an odor. As these features are present in Shimul flower, Shimul flower is also an animal flower.

What does tuber mean ?

Description : What does tuber mean ?

Last Answer : Tuber is a type of transformed stem. Some plants swell as a result of food storage at the apex of the lower branches of the soil and form tubers , called tubers. In the future, this tuber works for ... scaly leaf-like (scales) chamber. From each eye an independent plant is born , such as a potato.

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Description : Why do cell walls absorb water ?

Last Answer : Plant cell walls absorb water. Because in the case of plants the cell walls are colloidal substances. And different types of colloidal substances exist in plants. Such as starch , gelatin , cellulose etc. These substances are able to absorb water due to their colloidal properties.

Why is Chupri potato called Bulbil ?

Description : Why is Chupri potato called Bulbil ?

Last Answer : The desired buds of chupari potato do not grow properly but take the shape of a lump and after a while fall from the tree and fall to the ground and give birth to new tree. That is why chupari potato is called bulbil.

What is a seed bag ?

Description : What is a seed bag ?

Last Answer : Plant body cells change to form a germ-carrying organ, called a granule sac.

Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?

Description : Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?

Last Answer : As the sexual reproduction of non-flowering plants is not complete, artificial reproduction is done.

Why colorful flowers are helpful for pollination ?

Description : Why colorful flowers are helpful for pollination ?

Last Answer : Insects or birds float around in the attraction of the beautiful color of colorful flowers. At this time the pollen sticks to the carrier. When this carrier sits on another flower of the ... the work of pollination is done without their knowledge. So colored flowers are conducive to pollination.

What is organ reproduction ?

Description : What is organ reproduction ?

Last Answer : Reproduction that takes place when a part of the body is broken or an organ is transformed without producing any kind of asexual molecule or germ cell is called organ reproduction.

What is photosynthesis ?

Description : What is photosynthesis ?

Last Answer : The process by which green plants prepare sugary foods with carbon dioxide and water in the presence of sunlight is called photosynthesis.

Why is polythene called impenetrable curtain ?

Description : Why is polythene called impenetrable curtain ?

Last Answer : The membrane through which the molecules of both solvent and solvent cannot move is called impermeable membrane. Both solvents and solvent molecules cannot move through polythene. That is why polythene is called impermeable screen.

Why Water and Mineral Salt Are Important for Plant Growth ?

Description : Why Water and Mineral Salt Are Important for Plant Growth ?

Last Answer : Water and mineral salts are important for plant growth. This is because the solution of this water and mineral salt reaches the leaves through the stems and branches. The leaves use them in the process of ... parts of the body. And by eating this food, the plant survives and the plant grows.

Why is the process of perspiration very important for plants ?

Description : Why is the process of perspiration very important for plants ?

Last Answer : As a result of perspiration, the plant gets rid of excess water pressure by expelling water from its body. Perspiration increases the concentration of juice in the cells. Increasing the ... maintains the moisture of the leaves. For this reason perspiration is very necessary for plants.

Why is sweating called Necessary evil ?

Description : Why is sweating called Necessary evil ?

Last Answer : Perspiration is an inevitable process in plant life. As a result of perspiration, a lot of water evaporates from the body of the plant. It can also cause plant death. Therefore, perspiration seems to ... process in the life of plants. This is why perspiration is called a Necessary evil for plants .

What does Imbibition mean ?

Description : What does Imbibition mean ?

Last Answer : The process by which different colloidal substances absorb different types of liquids is called imbibition. Starch , cellulose , gelatin , cell wall etc. are colloidal substances in plants. ... colloidal properties. Dried seeds absorb the required amount of water during the germination process.