How do you differentiate betwee n capture fishing, mariculture, and aquaculture.
[question] Question. How do you differentiate betwee n capture fishing, mariculture, and aquaculture. [/question] [solution] Solution: Capture fishery is the process of obtaining fish from natural resources i.e. river, pond, etc. Mariculture is the culture of marine fish while, aquaculture is cultivation of aquatic organisms in fresh water. [/solution]...
For increasing production, what is common in poultry, fisheries and bee-keeping ?
[question] Question. For increasing production, what is common in poultry, fisheries and bee-keeping ? [/question] [solution] Solution: Most common method of increasing production is developing improved varieties through cross breeding, which is a method of producing an organism with all the desired traits including high production, disease resistance, etc. Management practices include : breeding, feeding, shelter and heeding. [/solution]...
What are the benefits of cattle farming ?
[question] Question. What are the benefits of cattle farming ? [/question] [solution] Solution: Through cattle farming we can get :- 1. High milk-yeilding animals. 2. Animals which produce good quality of meat, fibre and skin 3. Good breed of draught animals [/solution]...
How do good animal husbandry practices benefit farmers ?
[question] Question. How do good animal husbandry practices benefit farmers ? [/question] [solution] Solution: Good animal husbandry practices benefit farmers by providing:- 1. High milk-yeilding breeds of cows and buffaloes. 2. Dual purpose breeds i.e., cows for milk and bullocks for draught work. 3. Disease resistant varieties of animals. [/solution]...
How do storage grain losses occur ?
[question] Question. How do storage grain losses occur ? [/question] [solution] Solution: Factors which are responsible for losses of grains during storage are both biotic and abiotic. Biotic factors responsible for such losses are - insects, rodents, fungi, mites and bacteria and abiotic factors are inappropriate moisture and temperature in place of storage. [/solution]...
What is genetic manipulation ? How is it useful in argicultural practices ?
[question] Question. What is genetic manipulation ? How is it useful in argicultural practices ? [/question] [solution] Solution: A process in which genes of desirable characters are taken from a plant and transferred to another plant which lacks these genes, leading to the production of varieties with desirable agronomic characteristics like dwarfness in cereals, and tallness and profuse branching in case of fodder crops. Genetic mainpulation is useful in developing varieties with:- (i) Higher ...
What are the advantages of inter-cropping and crop rotation ?
[question] Question. What are the advantages of inter-cropping and crop rotation ? [question] [solution] Solution: Using Inter-cropping as a method of crop production ensures the following advantages :- 1. Productivity is increased 2. It economises space and time of cultivating two or more crops. 3. It helps to maintain soil fertility. While crop rotation confers following benefits : 1. By growing crops in rotation, the fertility of the soil is utilised more evenly. The soil is not depleted in a...
Why are manures and fertilisers used in fields ?
[question] Question. Why are manures and fertilisers used in fields ? [/question] [solution] Solution: The manures and fertilisers are the main sources of nutrient supply to crops. They are used to ensure good vegetative growth (leaves, branches and flowers), giving rise to healthy plants, which results in high crop production. [/solution]...
Explain any one method of crop production which ensures high yield.
[question] Question. Explain any one method of crop production which ensures high yield. [/question] [solution] Solution: Inter cropping is a method of crop production which ensures high yield. Inter cropping is a practice of growing two or more crops simultaneously in the same field in rows. (i) In inter cropping definite row patterns like 1 : 1, 1 : 2, or 1 : 3 are followed 1 : 1 row pattern means that there is one row of main crop with one row of intercrop. (ii) In inter cropping, there is a ...
What is pasturage and how is it related to honey production ?
[question] Question. What is pasturage and how is it related to honey production ? [/question] [solution] Solution: Pasturage is flora or crop available to honey bee for collection of nectar and pollen. Pollen is food for honey bees. Nectar is transformed into honey. The amount and quality of honey depend upon type and extent of pasturage. [/solution]...
What are the desirable characters of bee varieties suitable for honey production?
[question] Question. What are the desirable characters of bee varieties suitable for honey production? [/question] [solution] Solution: (i) Gentleness in nature (ii) Good honey collection (iii) Prolific queen (iv) Less swarming (v) Ability to protect itself from enemies. [/solution]...
What are the advantages of composite fish culture ?
[question] Question. What are the advantages of composite fish culture ? [/question] [solution] Solution: (i) There is no competition for food or space amongst different types of fish. (ii) Food available in different part of the pond are utilized due to their different food habits and different habitats. (iii) The fish yield is high as some six types of fish are growing simultaneously. [/solution]...
How are fishes obtained ?
[question] Question. How are fishes obtained ? [/question] [solution] Solution: There are two methods of obtaining fish, capture fishery (capturing fish) from natural waters and culture fishery in impounded waters. In both cases the fish are caught with the help of nets. [/solution]...
What are the differences between broilers and layers and in their management ?
[question] Question. What are the differences between broilers and layers and in their management ? [/question] [solution] Solution: Broilers are fast growing young chicken of 6–10 weeks age which are known for the good quality and taste of their meat. Layers are sexually mature hens which are raised for egg laying. Broilers are given diet rich in protein, with adequate fat, vitamins A and K. They are provided with best of space, hygiene and temperature. Layers are given inferior quality feed. L...
What management practices are common in dairy and poultry farming ?
[question] Question. What management practices are common in dairy and poultry farming ? [/question] [solution] Solution: (i) Proper shelter, its hygiene, aeration and lighting. (ii) Proper feed and feed additives. Drinking water. (iii) Health care including vaccination. [/solution]...
Discuss the implications of the following statement
[question] Question. Discuss the implications of the following statement "It is interesting to note that poultry is India's most efficient converter of low fibre food stuff (which is unfit for human consumption) into highly nutritious animal protein food. [/question] [solution] Solution: India is basically agriculture society where a lot of wastes are produced during food processing, e.g., fish meal, meat meal, rice bran, etc. They are profitably used in forming poultry feed. In return poultry p...
Which method is commonly used for improving the cattle breeds and why?
[question] Question. Which method is commonly used for improving the cattle breeds and why? [/question] [solution] Solution: Cross breeding indigenous breeds with exotic breeds. Foreign or exotic breeds have higher milk yield and longer lactation period as compared to indigenous breeds. Therefore, indigenous breeds should be cross-breeded with exotic breeds. The local breeds are hardy and resistant to several diseases. [/solution]...
What factors may be responsible for losses of grains during storage?
[question] Question. What factors may be responsible for losses of grains during storage? [/question] [solution] Solution: During the storage of grains, various biotic factors such as insects, rodents, mites, fungi, bacteria, etc. and various abiotic factors such as inappropriate moisture, temperature, lack of sunlight, flood, etc. are responsible for losses of grains. These factors act on stored grains and result in degradation, poor germinability, discoloration, etc. [/solution]...
Why should preventive measures and biological
[question] Question. Why should preventive measures and biological control methods be preferrdfor protecting crops? [/question] [solution] Solution: Preventive measures and biological control methods should be preferred for protecting crops because excessive use of chemicals leads to environmental problems. These chemicals are also poisonous for plants and animals. Preventive measures include proper soil and seed preparation, timely sowing of seeds, intercropping and mixed cropping, usage of res...
Compare the use of manure and fertilizes in maintainig soil fertility.
[question] Question. Compare the use of manure and fertilizes in maintainig soil fertility. [/question] [solution] Solution: Manures increase soil fertility by enriching the soil with organic matter and nutrients as it isn prepared by the decomposition of animal excreta and plant wastes. On the other hand, fertilizers are mostly inorganic compounds whose excessive use is harmful to the symbiotic micro-organisms living in soil. Their excessive use also reduces soil fertility. Hence, fertilizers a...
How do plants get nutrients?
[question] Question. How do plants get nutrients? [/question] [solution] Solution: Nutrients found in the soil get dissolved in the water from rain and irrigation. This water is absorbed by the roots of plants and transported to different parts of the plants. [solution]...
What are macro-nutrients and why are they called macro-nutrients?
[question] Question. What are macro-nutrients and why are they called macro-nutrients? [/question] [solution] Solution: Macro-nutrients are Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulphur.Theyare required in large quantities to plants and are therefore called macro-nutrients. [/solution]...
What are the desirable agronomic characteristics for crop improvements?
[question] Question. What are the desirable agronomic characteristics for crop improvements? [/question] [solution] Solution: (a) Tallness and profuse branching are desirable characters for fodder crops. (b) Dwarfness is desired in cereals, so that less nutrients are consumed by plant body. [/solution]...
How do biotic and abiotic factors affect crop production?
[question] Question. How do biotic and abiotic factors affect crop production? [/question] [solution] Solution: A variety of biotic factors such as pests, nematodes, diseases, etc. can reduce the net crop production. A pest causes damage to agriculture by feeding on crops. For example, boll weevil is a pest on cotton. It attacks the cotton crop, thereby reducing its yield. Weeds also reduce crop productivity by competing with the main crop for nutrients, light, and space. Similarly, abiotic fact...
What do we get from cereals, pulses, fruits and vegetables?
[question] Question. What do we get from cereals, pulses, fruits and vegetables? [/question] [solution] Solution: We get carbohydrates from cereals, proteins from pulses. fruits and vegetables provide vitamins and minerals in addition to small amount of proteins, carbohydrates & fats [/solution]...