Food Production

Question 1

Stuff In bacteria

Answer 1

-cell wall
-Primitive nuear material(cbromium fibre)
-no nuclear membrane
- protetictive layer in form of capsule
-thin cell membrane
-cytoplasm and granules

Question 2

Commonly used bacteria in making curd

Answer 2

Lactobacillus bulgaricus
Lactibacillus acidophillus

Question 3

How is curd fermented?

Answer 3

Action of bacteria on the lactose(milk sugar) present in the milk

Question 4

Steps in manufacturing of cheese

Answer 4

-Curdling of milk(Lactobacillus accidophilus)
- curd is proccesed to remove moisture. It is called cottage cheese
-salting- removes moisture and prevents growth of undesirable miscroorganisms
Ripening- microorganisms added along with lactic acid give flavour

Question 5

How is tea created?

Answer 5

Curing of tea by bacteria.
Bitterness of tea leaves is removef
Flavour and aroma are obtained

Question 6

Explain Fungi

Answer 6

-unicellular or multicellular
-Do not have cholorphyll
-live on dead and decaying organic matter
-Also called Saprophytes

Question 7

Yeast Explain

Answer 7

-Unicellular fungi
-Yeast is ovoid in shape
- has distinct cell wall and a nucleus
-MYB One or more vacoles in the cytoplasm.
-Grow on all sugary solutions

Question 8

Economic importance of Yeast

Answer 8

• Contain vitamins of B and E grp and 15%
  -Yeats undergo fermentation in presemce of sugar solution to produce ethyl alcohol and carbon dioxide.
  -Softness of bread is because of baked products is due to the prescence of the numerous air spaces in them. The air spaces are there because of CO2 that rises as a result of fermentation of yeast.

Question 9

What is agriculture?

Answer 9

science of growing plants and other crops as well as rearing of animals for food and other human needs.

Question 10

What r kharif crops?

Answer 10

Raised in rainy season. Rice is imp.
Hot and humid climate.
eastern and southern parts of india.
rainfall- 150-200cm
climate-18 degrees to 32 degrees
-june to sep

Question 11

Rabi crops

Answer 11

• Wheat
  -Alluvial soil
  -Northern plains’
  -October/early november
• 10 to 15 degrees
  -50 to 100cm

Question 12

Horticulture

Answer 12

Deals with cultivation of fruits, veggies, flowers, algae and medicinal plants

Question 13

Explain Organic farming

Answer 13

Practice of rasing crops without using synthetic fertilisers and pesticides.
-they use organic manure that has been scientifically prepared from waste of crops animals and farm wastes.
-the main aim of organic farming is to enhance soil fertility grow crops in an eco-friendly environmental free manner

Question 14

What is green revolution?

Answer 14

The Green Revolution was a period in the mid-20th century when new, high-yielding varieties of food grains were introduced to developing countries. The new varieties required large amounts of chemical fertilizers and pesticides to produce their high yields.
- enhance agriculture productivity by using agronomic Technology
-