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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

Fill in the blanks:  1. Carbohydrates give us ..........2. Lipids are made up of Carbon, Hydrogen, and Oxygen in the ratio ..........

Answer»

1. Carbohydrates give us instant energy

2. Lipids are made up of Carbon, Hydrogen, and Oxygen in the ratio 4.5:9:1.

2.

How to keep our house clean and hygienic?

Answer»

1. Clean every portion of your house regularly.

2. The kitchens, bathrooms, toilets and washbasins are to be cleaned regularly using cleaning agents or phenol.

3. Environment-friendly insecticides and pesticides can be used to destroy disease-causing insects or germs.

4. Curtains for safety and beauty should cover the doors and windows. They must be washed regularly.

5. Better to use diffluent portions or rooms for specific purposes.

3.

The population of our country is …………… (a) increasing (b) decreasing (c) diminishing

Answer»

Correct option is (a) increasing

4.

……………… was responsible to bring about the Green Revolution in India. (a) Dr. M. S. Swaminathan (b) Tukdoji Maharaj (c) Sant Gadgebaba

Answer»

Correct option is (a) Dr. M. S. Swaminathan

5.

Carbohydrates are called energy producers.

Answer»

They act like fuel the body to provide eneigy for different activities.

6.

Vitamins and minerals are called body regulators.

Answer»

Vitamins and Minerals are the nutrients required for protecting the body against infection and diseases, for good eyesight, good digestion, healthy teeth, strong bones, growth of the body and functioning of muscles and nerves.

7.

In …………. our country too enacted a food security law. (a) 2013 (b) 2014 (c) 2015

Answer»

Correct option is (a) 2013

8.

Given below are jumbled words which are names of parts of a plant. Rearrange them to get the correct words.(a) L I L C H I(b) I T R U F(c) S E A N B O Y A(d) G U R S A(e) R O U N D G U N T

Answer» (a) CHILLI;

(b) FRUIT;

(c) SOYABEAN;

(d) SUGAR;

(e) GROUNDNUT
9.

Proteins are called bodybuilders.

Answer»

Proteins are responsible for the formation and development of tissues like Skin, blood, muscles, and bones.

10.

Plants ……………….. food in their stems or roots.(a) eat(b) produce(c) store

Answer»

Correct option is (c) store

11.

We get food from …………… (a) shops (b) plants(c) school

Answer»

Correct option is (b) plants

12.

Name the cereals.

Answer»

The grains like wheat, rice, jower.

13.

Label and colour the different parts of the plant given below in Fig. 1.2:]

Answer»

a- Flower: b- Bud: c- Leaf: d-Stem

14.

Read the names of animals written in the inner ring of Fig. 1.3. 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. Use red, green and blue colours for writing.

Answer»

Eagle– birds/small animals/ meat/ others– Omnivore
Crocodile– fish/snake/animals living near the river banks of river– Carnivore
Elephant– grass/sugarcane/leaves/coconut/others– Herbivore
Crow– food grains/rat/meat/food items/insects– Omnivore
Lion– deer/rabbit/zebra/giraffe/cow/others– Carnivore

15.

Name any six food items that we get from plants.

Answer»

Potato, sweet potato, bread, honey, rice, wheat, maize, fruits, etc.,

16.

Name any two food items rich in proteins.

Answer»

Milk, eggs, fish, meat, pulses like green gram,, cowpeas, urad, soybean, etc.,

17.

Connect the animal with the food it eats by an arrow using different colours in Fig. 1.4. One is done for you.

Answer»

Any four correct answer.
Lion → goat, Lizard → insects, spider, Rat → grains; Snake → Rat, Goat → grain/grass, Spider → insects

18.

List two of your favourite food items and mention their ingredients.

Answer»

Food item                  Ingredients
Dal                              Pulses, water, salt, oil, spices.
Idli                               Rice, urad dal, salt, water.

19.

State true or False:1. Animals which eat both plants and animals are called carnivores. 2. Cooked food is tasty and healthy 3. Honey is made from milk

Answer»

(1) True

(2) True,

 (3) False

20.

Which of the following is not a plant whose root is edible? a. Carrot b. Radish c. Turnip d. Potato

Answer»

Potato is not a plant whose root is edible.

21.

Materials required to prepare a food item are called a. Nutrients b. Ingredients c. Nourishments d. Minerals

Answer»

b. Ingredients

22.

What do you mean by food?

Answer»

Substances from which an organism derives nutrients and energy for its growth and development is known as food.

23.

Name the components of food.

Answer»

The components of food are carbohydrates, proteins, lipids, vitamins and minerals, roughage and water.

24.

Mention the two types of nutrients.

Answer»

There are two types of nutrients namely macronutrients and micronutrients.

25.

Name some oilseeds.

Answer»

Seeds like sesame groundnut, castor sunflower.

26.

Name the group of nutrients.

Answer»

1. Carbohydrates 

2. Proteins 

3. Lipids 

4. Vitamins 

5. Minerals.

27.

Name some Junk foods.

Answer»

Panipuri, chips, gobi manchuri etc.,

28.

Distinguish between macronutrients and micronutrients.

Answer»

1. Macronutrients are required in large quantities: They include Carbon, Hydrogen, Nitrogen, Oxygen, etc.

2. Micronutrients are required in minute quantities: They include Phosphorus, Sodium, Calcium, Iron, etc.

29.

What methods are used to preserve food- grains?

Answer»

1. To prevent damage by pests, chemicals are sprayed at the place of storage or all around it. 

2. Neem leaves or some protective chemicals are mixed in the grain as their smell repels insects.

3. Storage places are kept dry and airy to prevent fungus formation.

30.

What causes the fertility of the soil to diminish?

Answer»

1. Overwatering makes the land saline and fallow. 

2. Overuse of chemical fertilisers leads to accumulation of excessive chemicals in the soil. 

3. This reduces the fertility of the soil and reduces the productivity.

31.

How is water made available for farming?

Answer»

1. Huge quantities of water are stored by building dams and bunds on rivers to obstruct the flow of water downstream. 

2. Improved methods of irrigation are used which provide enough water to the plants and at the same time, help to save a lot of water.

32.

Describe the ‘Drip irrigation’ method.

Answer»

1. The ‘Drip irrigation’ method makes use of pipes with holes. 

2. This ensures that the required amount of water drips only near the plants. 

3. This method makes full use of the water available without wasting it.

33.

What is done to avoid the damage to crops?

Answer»

As a remedy, insecticides and pesticides are sprayed on crops or certain chemicals are rubbed on the seeds before sowing to avoid damage to crops.

34.

What changes has modern technology brought about in the methods of farming?

Answer»

1. Improve seeds having better yield. 

2. Modem methods of irrigation. 

3. Availability of fertilizers to improve productivity. 

4. These modern technological methods have brought about tremendous improvement in the methods of farming.

35.

Fertilizers provide the required ………… substance to the crop. (a) productive(b) nutritive (c) chemical

Answer»

Correct option is (b) nutritive

36.

Which are the modem methods of irrigation? What are their advantages?

Answer»

1. Drip irrigation and sprinkle irrigation are the two modem methods of irrigation. 

2. These methods ensure that the required amount of water drips only near the plants. 

3 . Thus, full use is made of the available water and there is no wastage.

37.

What are the reasons due to which growing crops are damaged?

Answer»

Diseases and pest attacks are the reasons due to which growing crops are damaged.

38.

Find and correct the incorrect statements:(1) There is only one method of farming.(2) ndia is an agricultural country.(3) Use of improved seeds does not lead to higher yields.

Answer»

(1) Incorrect, lot of improvised methods are brought about through research.

(2) Correct.

(3) Incorrect, use of improved seeds leads to higher yield.

39.

Storage places are always kept dry and airy to prevent …………formation.(a) colour (b) fungus (c) insect

Answer»

Correct option is (b) fungus

40.

We have to add fertilizers to the soil to restore its ……………(a) irrigation (b) productivity (c) yield

Answer»

Correct option is (b) productivity

41.

The plant in the pot is not growing well. Give solution.

Answer»

Pesticides must be sprayed and manure should be added to the soil, then the plant in the pot will grow.

42.

Crops grow well if they are …………… at the right time. (a) poltered (b) tilled (c) watered

Answer»

Correct option is (c) watered

43.

What are the advantages of using improved seeds?

Answer»

1. Nowadays, improved seeds are developed through research. 

2. These seeds have a higher yield and can resist pest attacks. 

3. Some varieties of these seeds become ripe for harvesting in a shorter period while some give a higher yield even with a low supply of water.

44.

Improved seeds have a higher …………… (a) yield (b) field (c) goals

Answer»

Correct option is (a) yield

The answer is: (a) yield

45.

The grain is dried well in the sun and filled in (a) pots (b) tanks (c) sacks

Answer»

Correct option is (c) sacks

46.

Crops were traditionally watered through (a) canals (b) streams (c) rivers

Answer»

Correct option is (a) canals

47.

If the same crops are grown frequently in a field, the ………… of the soil decreases.(a) fertility (b) water (c) manure

Answer»

Correct option is (a) fertility

48.

A ‘mot’ driven with the help of …………… was used to draw water from the well. (a) cow (b) dogs (c) oxen

Answer»

Correct option is (c) oxen

49.

Dams and bunds help to raise the levels of ………… (a) well water (b) ground water (c) rain water

Answer»

Correct option is (b) ground water

50.

Improved seeds are developed through …………… (a) ploughing (b) studying (c) research

Answer»

Correct option is (c) research