NCERT Exemplar Problems Class 6 Science – Food: Where Does It Come From?

Question 1:
Given below are the names of some animals.

1. Goat
2. Human beings
3. Cockroach
4. Eagle

Which of the above animals form a pair of omnivores?
(a) (1) and (2)
(b) (2) and (3)
(c) (3) and (4)
(d) (2) and (4)
Solution:
(b) Animals that eat both plants and animals are called Omnivores,
e.g. Human beings, cockroach, wood peckers, etc.
Herbivores are plant eaters, e.g. Goat, sheep, horse, etc.
Carnivores are meat eaters, e.g. Eagle, cheetah, etc.

Question 2:
Honeybee makes honey from
(a) pollen
(b) petals
(c) nectar
(d) bud
Solution:
(c) A honeybee starts the honey making process by visiting flower(s) and gathering some of its nectar (sweet juices).
This nectar is converted into honey and stored in their hives.

Question 3:
Below are the names of some animals.

1. Cow
2. Sheep
3. Horse
4. Ox

Which of the above are the sources of milk for human beings?
(a) (1) and (3)
(b) (1) and (2)
(c) (2) and (3)
(d) (3) and (4)
Solution:
(b) Cow and sheep are the sources of milk for human beings.

Question 4:
Given below is a list of edible plants.

1. Banana
2. Pumpkin
3. Lady’s finger
4. Brinjal

Which pair of plants has two or more edible parts?
(a) (1) and (2)
(b) (2) and (3)
(c) (3) and (4)
(d) (1) and (4)
Solution:
(a) Banana and pumpkin plant has two or more edible parts. Their flowers and fruits are eaten as food. Brinjal and lady’s finger only have their fruit as the edible part.




Question 5:
The part of a banana plant not used as food is
(a) flower
(b) fruit
(c) stem
(d) root
Solution:
(d) All parts of banana (i.e. fruit, leaves, flowers and stems) except roots are edible.

Question 6:
Read each set of terms and identify the odd set.
(a) Cow, milk, butter
(b) Hen, meat, egg
(c) Goat, milk, meat
(d) Plant, vegetable, butter, milk
Solution:
(d) In each set, the term with its edible sources are given.
(d) is the odd set because butter and milk are not obtained from plant.

Very Short Answer Type Questions

Question 7:
Read the clues and fill up the blanks given below each of them.

1. Honeybees suck this from flower. N _ _T _ R
2. Animals which eat other animals. _A_N_V_R_S
3. Animals which eat only plants and plant products. H_ E_B_ _ _ _ E_
4. Animals which eat both plants and animals. _MNI_O _ _ _

Solution:

1. NECTAR
2. CARNIVORES
3. HERBIVORES
4. OMNIVORES

Question 8:
Why do boiled seeds fail to sprout?
Solution:
The boiled seeds failed to sprout because boiling denatures or damages certain enzymes or proteins that are required for germination. Thus, boiling kills the seeds.

Question 9:
Where do bees store honey?
Solution:
The bees store honey in their nest which is known as beehive. It is a densely packed group of hexagonal cells made of beeswax (honeycomb).

Question 10:
Name two ingredients in our food that are not obtained from plants or animals. Mention one source for each ingredient.
Solution:
The two ingredients in our food that are not obtained from plants or animals are:

1. Salt It is obtained from seawater and rocks.
2. Water It is obtained from river/tap/pond/lake/rain.

Question 11:
Given below are jumbled words, which are names of parts of a plant. Rearrange them to get the correct words.

1. LILCHI
2. ITRUF
3. SEANBOYA
4. GURSA
5. ROUNDGUNT

Solution:

1. CHILLI
2. FRUIT
3. SOYABEAN
4. SUGAR
5. GROUNDNUT

Short Answer Type Questions

Question 12:
Identify the animals in the grid given below and categorise them into herbivore, carnivore and omnivore.

Solution:

These can be categorised as :
Herbivore (plant eating animals) COW, GOAT, HEN
Carnivore (meat eating animals) WOLF, LION, FROG
Omnivore (eats both plants and meat) HUMAN, RAT, CAT, CROW, OWL, ANT

Question 13:
Why should we avoid wastage of food?
Solution:
We should avoid wastage of food because

1. There are many people amongst us, who do not get sufficient food, due to the lack of money.
2. Enough food is not available for all of us.

Question 14:
Why do organisms need food? Write two reasons.
Solution:
Food is needed by organisms for the following reasons:

1. Food provides us energy to perform various functions of life.
2. Food helps to protect the body against various diseases and infections.

Question 15:
Match the organisms given in column I with their part/product in column II that is used by human beings as food.

Solution:
The correct matching is:
(a)-(iii), (b)-(i), (c)-(iv), (d)-(v), (e)—(ii)
(a) Seeds of mustard plant are used to extract oils.
(b) Goat’s meat is called chevon or mutton.
(c) A windvane or weather cock is an instrument for showing the direction of the wind. It has a hen (cockerel design) on the top.
(d) Smoke and dust are two major components of particulate matter that should be prevented.
(e) Wind has both direct and indirect effects on plant growth, fruits and vegetable.

Question 16:
Label the different parts of the plant given below in figure.

Solution:
The different parts of the plant as labelled correctly are:

Long Answer Type Questions

Question 17:
Read the names of animals written in the inner ring of the figure. Within the second ring, write the types of food they eat and the category to which they belong (based on the eating habit) in the outermost ring. One example has been worked out for you.

Solution:
The completely filled ring is as given below:

Question 18:
Connect the animal with the food it eats by an arrow using different colours in the figure given below. One is done for you.

Solution:
The complete figure is as follows:

Question 19:
List two of your favourite food items and mention their ingredients.
Solution:
The two favourite food items and their ingredients are: