Question

hey guys please help me and give the answers in one word of all question and if you don't no than don't answer ​

Answer 1

Answer:

4) paddy is rainy season

drip irrigation is watering fruit plant

manure is organic material

fertilizer is inorganic material

cultivator is ploughing

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Answer 2

Explanation:

4i) Paddy------ Rainy Season

ii) Drip System------ Watering fruit plant

iii) Manure------ Organic Material

iv) Fertilizer------ Inorganic Material

v) Cultivator------- Ploughing

5 i) Weedicide is the chemical that are used to remove weeds.

ii) The main sources for irrigation water are groundwater from wells, surface water, drainage ponds, rain and municipal water.

iii) The process of loosening and turning of soil is called tilling or ploughing.

iv) Signs of food spoilage may include an appearance different from the food in its fresh form, such as a change in color, a change in texture, an unpleasant odour, or an undesirable taste. The item may become softer than normal.

v) A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or a colony of cells.

vi) Lactobacillus converts milk to curd by producing lactic acid and reducing the pH of the milk. These bacteria convert the lactose into lactic acid, which imparts the sour taste to curd.

vii) In the presence of oxygen, yeast undergo aerobic respiration and convert carbohydrates (sugar source) into carbon dioxide and water. In the absence of oxygen, yeasts undergo fermentation and convert carbohydrates into carbon dioxide and alcohol.

viii) Although rayon is obtained from a natural source,wood pulp,yet it is a man-made fibre because it is produced from naturally occurring polymers and also chemically processed, it is neither a truly synthetic fibre nor a natural fibre; it is a semi-synthetic fibre.

ix) Natural fibers or natural fibres are fibers that are produced by geological processes, or from the bodies of plants or animals. They can be used as a component of composite materials, where the orientation of fibers impacts the properties. Natural fibers can also be matted into sheets to make paper or felt.

x) Uses of nylon are:-

• Clothing-Shirts, Foundation garments, lingerie, raincoats, underwear, swimwear and cycle wear.

• Industrial uses – Conveyer and seat belts, parachutes, airbags, nets and ropes, tarpaulins, thread, and tents.

• It is used to make a fishnet.

• It is used as plastic in manufacturing machine parts.

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