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51.

Disease and pest attacks can …………crops in the field. (a) damage (b) restore (c) revive

Answer»

Correct option is (a) damage

52.

A good harvest provides the farmer a ……………. income. (a) good (b) bad (c) ugly

Answer»

Correct option is (a) good

53.

Every farmer wishes to get a good …………(a) holiday (b) harvest (c) sleep

Answer»

Correct option is (b) harvest

54.

What are summer crops?

Answer»

Crops grown from March to June are called summer crops.

55.

Farmers now carry out all their tasks with the help of ……………(a) machines (b) oxens (c) bullocks

Answer»

Correct option is (a) machines

56.

……………. makes the land saline and fallow. (a) Manure (b) Pesticides (c) Overwatering

Answer»

Correct option is (c) Overwatering

57.

What is essential for a good harvest?

Answer»

Fertile land, good quality seeds and fertilizers and availability of water are essential for a good harvest.

58.

What percent of land is used for agriculture in our country?

Answer»

About 60% of the land in our country is used for agriculture.

59.

How has it been possible to fulfill the needs of all the people?

Answer»

Though the population of the country is increasing, the needs of the people are fulfilled because of the modern improved methods of agriculture.

60.

How did the oxen help the fanner, in the traditional methods of agriculture?

Answer»

In the traditional method of agriculture, ploughing, tilling, harvesting, threshing as well as drawing water from the well was all done with the help of an oxen.

61.

What helps farmers to do all their work?

Answer»

The farmer carries out all his tasks with the help of machines.

62.

Drip and sprinkle irrigation are ……………… methods of irrigation. (a) urban (b) rural (c) modern

Answer»

Correct option is (c) modern

63.

What is food?

Answer»

The edible substances consumed by humans & other animals to get energy for various activities and for growth and development is called food.

64.

What are scavengers? How do they help the environment?

Answer»

Animals that eat flesh of dead animals are called scavengers 

Ex: Vultures, jackal, crow, 

By eating dead animals they help in keeping environment clean, otherwise our surrounding will be full stinking dead animals

65.

Where do bees store honey?

Answer» In beehives.
66.

Make flow charts for the preparation of honey and ghee.

Answer»

Preparation of honey: 

Nectar in flower 

Nectar is collected by honey bee 

Stored in beehives 

Honey is extracted from beehives

Preparation of ghee: 

Cow Cow gives milk 

Cream is extracted Butter 

Butter is boiled, ghee is formed

67.

Why should we avoid wastage of food?

Answer»

Enough food is not available for all of us.

Food is very costly and poor people cannot afford to buy.

68.

Where does honey come from?

Answer»

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

69.

Why do organisms need food? Write two reasons.

Answer»

Food gives energy to do work/to grow/to repair damaged parts, to protect the body against diseases.

70.

Why does an organism need food?

Answer»

1. To get energy 

2. For growth, repair and maintenance of the body 

3. To fight diseases.

71.

Name five plants and there parts that we consume.

Answer»
PlantEdible plants part
CarrotRoot
PeasSeed
AppleFruit
CauliflowerFlower
CabbageLeaf

72.

Do you find that all livings beings need the same kind of food?

Answer»

No, the food requirements of all living organism vary, on the basis of requirements, livings organisms are grouped into three categories: 

1. Herbivores: These animals eat only plant or plant products For 

Ex: cow, elephant, rabbit, horse, etc. 

2. Carnivores:These animals eat other animals For ex: lion, tiger, lizard etc. 

3. Omnivores: These animals eat both plants and animals 

Ex: dog, cat, crow. etc.

73.

Why do we need food?

Answer»

Food gives us energy to work. We need energy to move, walk, talk, run, sleep, write, etc.

74.

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

Answer»

No. Different animals eat different kinds of food as per their body structure and internal organs. Depending on kind of food they eat, animals are divided into three basic categories:
1. Herbivores: Animals which feed on plants and plant products are called herbivores. Examples: cow, goat, elephant, dear, etc.
2. Carnivores: Animals which feed on other animals are called carnivores. Examples: lion, tiger, fox, etc.
3. Omnivores: Animals which feed on both plants and animals are called omnivores. Examples: crow, cat, dog, etc.

75.

The crops grown from March to June are called ……………crops. (a) winter(b) monsoon (c) summer

Answer»

Correct option is (c) summer

C.Summer season crops, usually it is called zaid crops.
76.

Fill up the blanks with the words given:herbivore, plant, milk, sugarcane, carnivore(a) Tiger is a ____________________ because it eats only meat.(b) Deer eats only plant products and so, is called ______________.(c) Parrot eats only _________________ products.(d) The ________________ that we drink, which comes from cows, buffaloes and goats is an animal product.(e) We get sugar from ___________________.

Answer»

(a) Tiger is a carnivore because it eats only meat.
(b) Deer eats only plant products and so, is called herbivore.
(c) Parrot eats only plant products.
(d) The milk that we drink, which comes from cows, buffaloes and goats is an animal product.
(e) We get sugar from sugarcane.

77.

Which one of the following is a carnivore bird? a. Sparrow b. Owl c. Parrot d. Cow

Answer»

Correct answer is b. Owl 

78.

The part of a banana plant not used as food is a. Flower b. Fruit c. Stem d. Root

Answer»

Correct answer is d. Root

79.

The part of a banana plant not used as food is(a) flower(b) fruit(c) stem(d) root

Answer» Answer: (d) root
80.

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

Answer»

(d) Plant, vegetable, butter milk

81.

Read the clues and fill up the blanks given below each of them.(a) Honeybees suck from flower. N ___ ___ T ___ R(b) Animals which eat other animals. ___ A ___ N ___ V ___ R ___ S(c) Animals which eat only plants and plant products. H E ___ B ___ ___ ___ ___ E ___(d) Animals which eat both plants and animals. ___ M N I ___ O ___ ___ ___

Answer» (a) NECTAR

(b) ARNIVORES

(c) HERBIVORES

(d) OMNIVORES
82.

The agricultural season from June to October is called the ………… season. (a) kharif (b) rabi (c) summer

Answer»

Correct option is (a) kharif

83.

The agricultural season from October to March is called the …………… season. (a) kharif (b) rabi (c) summer

Answer»

Correct option is (b) rabi

84.

What is Kharif season?

Answer»

The season from June to October when crops are watered mainly by rain, it is called Kharif season.

rainy season is Kharif