NCERT | Class 6 | Science | Chapter- Food: Where does it come from? | Topic-wise Assignment | CBSE Extra Questions

 

Class-6^th Science (Chapter wise, Topic wise Assignment)

Ch- Food: Where does it come from?

Q1. Did you eat the same kind of food yesterday and today?

Q2. We all eat different kinds of food at different times, isn’t it?

Q3. There seems to be so much variety in the food that we eat. What are these food items made of?

Q4. Define ingredients.

Q5. Write ingredients of boiled rice.

Q6. Write ingredients of vegetable curry, Roti, Rice.

Q7. Do we find some ingredients common for different food items? Name them.

Q8.  Where do these ingredients come from?

Q9. Where do fruits and vegetables come from?

Q10. What are the sources of rice or wheat?

Q11. Where do milk items come from?

Q12. Do table 1.3 from book

Q13. What are the sources of different food grains?

Q14. Name two different systems in plants and write their parts.

Q15. Tell if any of our food comes from sources other than plants and animals.

Q16. What are edible parts of plants?

Q17. Name edible parts of mustard plant.

Q18. Can you think of the different parts of a banana plant that are used as food?

Q19. Write more examples where two or more parts of a single plant are used as food.

Q20. Why you should not try to taste unknown plants around you to see if they are edible?

Q21. Write the process of making sprouts.

Q22. Define sprouted seeds.

Q23. Which is more nutritious- normal seed or sprouted seeds?

Q24.  What is honey? Where honey comes from or how it is produced?

Q25. What a squirrel (Fig 1.8), pigeon, lizard or a small insect may be eating as their food?

Q26. Do tables on page 5.

Q27. Differentiate between herbivores omnivores and carnivores.

Q28. Do you find that all living beings need the same kind of food?

Q29. Write the sources of the following:

a.     Grains, cereals, vegetables and fruits.

b.     milk, meat products and eggs

c.      butter, cream, cheese and curd

Q30.  What are the various ways to preserve food? (3)

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NCERT| Class 5|Science | Chapter-Growing Plants| CBSE Extra Questions/MCQ with Solutions

 

Class- 5^th Science (Test)

Ch- Growing Plants

Solutions

Multiple Choice Questions

1.      The outer hard covering of the seed is called   _______.

a.      Cotyledons

b.      Seed Coat

c.       Embryo

Answer: Seed Coat

2.      Plants which have one cotyledon are called__________.

a.      Dicot Plants 

b.      Monocot Plants

Answer: Dicot Plants

3.      Which of the following is not an example of dicot plants?

a.      Gram

b.      Pea

c.       Wheat

d.      Beans

Answer: Wheat

4.      Plants grow out of

a.      Ink

b.      Plastic

c.       Seed

d.      Water

Answer: Seed

5.      Which of the following things are required for germination of seeds?

a.      Water

b.      Correct temperature

c.       Good quality of Soil

d.      All of these

Answer: All of these

6.      Where does the food come from when the seed has not grown its leaves?

a.      From other trees

b.      From air

c.       Seed uses its stored food

d.      From Soil

Answer: Seed uses its stored food

7.      Which of these is absorbed by roots of plants from the soil?

a.      Water

b.      Nutrients

c.       Both a and b

d.      None of these

Answer: Both a and b

8.      From which part of Plant can Sugarcane be grown?

a.      Roots

b.      Stems

c.       Leaves

d.      None of these

Answer: Stems

9.      From which part of Plant can Rose be grown?

a.      Roots

b.      Stems

c.       Leaves

d.      None of these

Answer: Stems

10.  From which part of Plant can Bryophyllum be grown?

a.      Roots

b.      Stems

c.       Leaves

d.      None of these

Answer: Leaves

11.  From which part of Plant can Sweet Potato be grown?

a.      Roots

b.      Stems

c.       Leaves

d.      None of these

Answer: Roots

12.  Seeds can be dispersed by which of the following agents? 

a.       Air and Water

b.      Air, Water and Insects

c.       Wind

d.      All of these

Answer: All of these

13.  In which of the following plant, dispersal of seeds takes place with water?

a.      Coconut

b.      Lotus

c.       Both a and b

d.      None of these

Answer: Both a and b

14.  Seeds of Dandelion are dispersed through

a.      Water

b.      Animal

c.       Wind

d.      Explosion

Answer: Wind

15.  Which of the following plant has medicinal value as well as religious value?

a.      Marigold

b.      Tulsi

c.       Neem

d.      Both b and c

Answer: Tulsi

16.  We get tea plant from

a.      Tea Plant

b.      Under the Earth

c.       Soil

d.      Computers

Answer: Tea Plant

17.  Rabi crops are grown from

a.      January to March

b.      May to September

c.       November to April

d.      June to October

Answer: November to April

18.  Initially the seedling get its food from

a.      Soil

b.      Stem

c.       Leaves

d.      Cotyledons

Answer: Cotyledons

19.  Fill in the blanks/ Answer in one word:

a.      The seed coat protects the internal delicate part of the tiny plant called embryo.

b.      Cotyledons protect the baby plants.

c.       Plants having two cotyledons are called dicot plants.

d.      The process by which seed produces a baby plant or seedling is called   germination.

e.      The process of scattering seeds away from the mother plant is called dispersal.

f.        Name few agents of dispersal of seeds. Wind, Insects, Animals, Explosion

g.      Give examples of dispersal by

(i)                 Wind-Dandelion, Cotton 

(ii)                Animals-Xanthium, Spear-grass

(iii)              Water- Lotus, Coconut Seed

(iv)               Explosion- Pea Plant, Poppy Plant

h.      Name different parts of plant through which plants can be grown. Root, Stem, Leaves, Bud.

i.        Growing plants from different body parts other than seeds is called vegetative propagation.

j.        The practice of growing plants on a large scale for food or other purpose is called agriculture.

k.       The plants of same kind grown in a particular area or region at a particular season are called   crops.

l.        In hilly regions, crops are grown by cutting steps into the hills, this is called terrace farming.

m.    Name the crops grown in the month of November- April- Rabi Crops

 

20.  Give few examples of plants which grow through

a.      Spores –Moss, Ferns

b.      Leaves— Bryophyllum

c.       Stem- Rose, Money Plant

d.      Roots- Sweet Potato, Dahlia

e.      Underground stem-  Potato, Ginger

21.  True or False:

a.      Pesticides are sprayed to irrigate crops. False

b.      Mushroom grows from spores. True

c.       Potato and onions are roots. False

d.      Supply of water at a regular interval for the growth of plants is called irrigation. True

e.      Cutting and gathering of matured crops is called harvesting.  True

f.        New plants can grow only from seeds. False

g.      Outer covering of a seed is called seed coat. True

h.      Crops grow in winter are called rabi crops. True

i.        Cotyledons store food for the baby plant. True

j.        Seeds of coconut and lotus are dispersed by air. False

k.       All the plants grow only from seeds. False

l.        Soil is not important for plants. False

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