Important Question with solucation

Q1 : Why is glucose given to sportspersons?

Ans : glucose is a type of carbohydrate, which can be quick source of energy.

Q3 : Why do we cook food?

Ans :

(I) To make food digestible and to improve its taste.
(ii) Cooking also kills the germs that are sometimes present in food.

Q4 : Why is it necessary to drink about 1.5 litres of water everyday?

Ans : Excretion, sweating and breathing makes us lose about 23

litres of water everyday. About 1.5 litres is made up for by drinking water and other liquids.

Q5 : Why water is needed for our body?
Ans:

(i) Water helps to carry digested food around the body.
(ii) Water help to carries wastes out of the body
(iii) It helps to regulate the body temperature.

Q6 : List the various edible parts of the plants, mention some examples also.
Ans :

ROOT - carrot, raddish, beetroot, turnip, sweet potato
STEM - sugarcane, ginger, onion, potato, colocasia (arbi)
LEAF - spinach, cabbage, lettuce, methi
FLOWER - cauliflower, broccoli, banana, pumpkin, clove, saffron

FRUIT - banana, mango, brinjal, tomato, cucumber

SEED - pulses, peanuts, coconut, methi seeds, almonds

Q6 : Classify the following as herbivore, carnivore or omnivore.
Ans :

Herbivorecows - goats, horses, elephants, giraffes, parrot, squirrel
Carnivore - crocodile, shark, tigers, lions, snake
Omnivore - bears, crow, humanbeing, cockroach

Q7 : Where does honey come from?

Ans : Bees collect NECTAR(sweet juices) from flower, convert it into honey and store it in
their hive.

Q8: Mention the source of food as plant or animal, for the following food items.

Ans:

(a)Chickenanimal
(b)riceplant
(c)onionplant
(d)oilplant and animal
(e)sugarplant
(f) milkanimal
(g) egganimal
(f) wheat flourplant.

Q9: What are sprouted seeds?

Ans: small white structure grown out of the seeds, which will be future shoot of the plants.

Q10: Write the ingredients and sources(plant or animal) for the given food
items?

Ans:

FOOD ITEM INGREDIENTS SOURCE
Potato curry 1.potato,garlic, onion, tomato plant
2. oil/ghee plant or animal
3. spices plant