importance of seeds as food

Question 1

six major plant parts

Answer 1

• seeds
• roots
• stems
• leaves
• flowers
• fruits

Question 2

seeds

Answer 2

• great food value
• practical source of food
• easy to transport
• grains : from grass-like plants
• pulses : pea and bean plants
• nuts : large, dry and oily
• used directly as food
• manufacture of human food products

Question 3

why grains and pulses are so important

Answer 3

• staple diet
• high nutritional value
• cheap

Question 4

what is the value of each seed group?

Answer 4

• grains : rich store of starch; fibres; most of B vitamins and many minerals ; small amounts of proteins and fats
• pulses : good source of protein, minerals and vitamin Bs; regulate blood sugar levels
• nuts : good source of energy; monounsaturated and polyunsaturated fatty acids; best natural source for vitamin E
• oil seeds : rich in monounsaturated and polyunsaturated fatty acids; can contain omega-3 fatty acids

Question 5

the use of growth regulators in modern agricultural practices

Answer 5

• synthetic or natural
• promoters or inhibitors
• auxins; gibberellins; cytokinins; ethylene; abscisic acid and flowering hormones
• successful propagation
• increase size
• induce early flowering and number of flowers
• breaks dormancy of seeds
• increases yield and oil contents
• control ripening