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201.

Which of the following is an example of kinetic energy?

Answer»

Which of the following is an example of kinetic energy?


202.

Answer the following A. Give are examples of each of water, soil and air pollution from your residential area.B. How does the pollution occur due to vehicles ? Give the names of vehicles causing least pollution.C. What are natural reasons for water pollution.D. Suggest four preventive measures for air pollution.E. Explain relation between green house effect and global warming.F. Construct two slogans each on air, water and soil pollution.

Answer»

Answer the following
A. Give are examples of each of water, soil and air pollution from your residential area.
B. How does the pollution occur due to vehicles ? Give the names of vehicles causing least pollution.
C. What are natural reasons for water pollution.
D. Suggest four preventive measures for air pollution.
E. Explain relation between green house effect and global warming.
F. Construct two slogans each on air, water and soil pollution.

203.

if the atmosphere of earth and jupiter were to be connected would the gases flow from jupiter to earth or earth to jupite

Answer» if the atmosphere of earth and jupiter were to be connected would the gases flow from jupiter to earth or earth to jupite
204.

Question 35In agricultural practices, higher input gives higher yield. Discuss how?

Answer»

Question 35

In agricultural practices, higher input gives higher yield. Discuss how?



205.

hydrogen diffuses four times faster than gas g.the molar mass of gas g i

Answer» hydrogen diffuses four times faster than gas g.the molar mass of gas g i
206.

Question 3Sun appears to move from east to west around the earth. This means that earth rotates from(a) east to west(b) west to east(c) north to south(d) west to north

Answer»

Question 3



Sun appears to move from east to west around the earth. This means that earth rotates from



(a) east to west

(b) west to east

(c) north to south

(d) west to north



207.

There are farm animals, water animals and jungle animals in this picture. Help the animals reach their homes. Draw lines.buffalo bear horse hen dog crocodile frog cow rhinoceros monkey giraffe Farm Water JugleDisclaimer: Kindly refer the textbook for the images.

Answer» There are farm animals, water animals and jungle animals in this picture. Help the animals reach their homes. Draw lines.



buffalo bear horse hen dog crocodile frog cow rhinoceros monkey giraffe





Farm Water Jugle





Disclaimer: Kindly refer the textbook for the images.
208.

How many sugar is present in I-a allele in human being. Show with diagram

Answer» How many sugar is present in I-a allele in human being. Show with diagram
209.

Which product is being collected from this tree?

Answer»

Which product is being collected from this tree?


210.

16. By what percent will be gravitational force between the bodies be increased if their masses are increased by 50%

Answer» 16. By what percent will be gravitational force between the bodies be increased if their masses are increased by 50%
211.

There was a thick jungle with beautiful green trees and birds.Koyal was singing happily.Suddenly she heard someone crying. It was her friend, the peacock. She flew to him and asked...Disclaimer: Kindly refer the textbook for the image.

Answer» There was a thick jungle with beautiful green trees and birds.
Koyal was singing happily.

Suddenly she heard someone crying. It was her friend, the peacock. She flew to him and asked...



Disclaimer: Kindly refer the textbook for the image.
212.

A farmer moves along the boundary of a square feild of side 10m in 40 s. what will be the magnitude of dispacementof farmer at the end of 2 minutes 20 seconds?

Answer» A farmer moves along the boundary of a square feild of side 10m in 40 s. what will be the magnitude of dispacementof farmer at the end of 2 minutes 20 seconds?
213.

The Cruel Boy The monkey is in a cage.A boy looks at the monkey.He gives it a sweet.The monkey opens the paper.There is a stone inside.The poor monkey is sad.Cruel boy!Are these sentences Right (✔) or Wrong (x)? 1. The monkey is in the forest. 2. The boy gives the monkey a stone. 3. The monkey thinks it is a sweet. 4. The monkey likes sweets. 5. The monkey is sad. – Shyamala Kumaradas

Answer» The Cruel Boy




The monkey is in a cage.

A boy looks at the monkey.

He gives it a sweet.

The monkey opens the paper.

There is a stone inside.

The poor monkey is sad.

Cruel boy!



Are these sentences Right (✔) or Wrong (x)?


































1. The monkey is in the forest.
2. The boy gives the monkey a stone.
3. The monkey thinks it is a sweet.
4. The monkey likes sweets.
5. The monkey is sad.
– Shyamala Kumaradas
214.

Why do wool yielding animals have a thick coat of hair?

Answer» Why do wool yielding animals have a thick coat of hair?
215.

What is aquatic habitat?

Answer»

What is aquatic habitat?



216.

Question 18 Fill in the blanks: (a) Saline water, hot air and sand are ........components of a habitat. (b) The habitat of plants and animals that live in ........ is called the aquatic habitat. (c) ........enable a plant or an animal to live in its surroundings. (d) Plants and animals that live on land are said to live in ........habitats.

Answer»

Question 18

Fill in the blanks:

(a) Saline water, hot air and sand are ........components of a habitat.

(b) The habitat of plants and animals that live in ........ is called the aquatic habitat.

(c) ........enable a plant or an animal to live in its surroundings.

(d) Plants and animals that live on land are said to live in ........habitats.

217.

Which of the following is not considered domestic waste?

Answer»

Which of the following is not considered domestic waste?



218.

Find the odd one out.

Answer»

Find the odd one out.


219.

A __ solution contains more solute than would normally dissolve at a certain temperature.

Answer»

A __ solution contains more solute than would normally dissolve at a certain temperature.

220.

A block is placed on a rough floor and a horizontal force F is applied on it. The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them. Then the graph will be

Answer» A block is placed on a rough floor and a horizontal force F is applied on it. The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them. Then the graph will be
221.

Have you ever been very frightened? Tell your partner about it.

Answer» Have you ever been very frightened? Tell your partner about it.
222.

The two groups of animals in the table given below are classified according to:

Answer»

The two groups of animals in the table given below are classified according to:




223.

why all the planets rotate itself?

Answer»

why all the planets rotate itself?

224.

पर्वतारोहण पर्वतीय प्रदेशों की दिनचर्या है, वही दिनचर्या आज जीविका का माध्यम बन गई है। उसके गुण-दोष का विवेचन कीजिए।

Answer» पर्वतारोहण पर्वतीय प्रदेशों की दिनचर्या है, वही दिनचर्या आज जीविका का माध्यम बन गई है। उसके गुण-दोष का विवेचन कीजिए।
225.

Name and draw four vegetables that have to be pulled out from the earth. Now name them in your own language.

Answer» Name and draw four vegetables that have to be pulled out from the earth. Now name them in your own language.






























226.

Write a paragraph about your pet or an animal you love.____________________________________________________________________________________________________________________________________________________________________________________________________________

Answer» Write a paragraph about your pet or an animal you love.

___________________________________________________

___________________________________________________

___________________________________________________

___________________________________________________
227.

Make a story of the poem and share it with your friends. You can change Hiawatha’s name and give the name of your classmate. Start the story which other children can continue.You could begin like this –Once upon a time there was a boy called ...

Answer» Make a story of the poem and share it with your friends. You can change Hiawatha’s name and give the name of your classmate. Start the story which other children can continue.



You could begin like this –

Once upon a time there was a boy called ...
228.

If the face value of both the shares is same, then which investment out of the following is more profitable ? Company A : dividend 16%, MV = Rs 80, Company B : dividend 20%, MV = Rs 120.

Answer» If the face value of both the shares is same, then which investment out of the following is more profitable ?

Company A : dividend 16%, MV = Rs 80, Company B : dividend 20%, MV = Rs 120.
229.

Question 8The outermost layer of the earth is called (a) mantle (b) outer core (c) crust(d) inner core

Answer»

Question 8



The outermost layer of the earth is called

(a) mantle

(b) outer core

(c) crust

(d) inner core



230.

Which of the following factors says how closely packed an object or material is?

Answer»

Which of the following factors says how closely packed an object or material is?


231.

Why are the rickshaws in Kolkata being pulled and not pushed?

Answer» Why are the rickshaws in Kolkata being pulled and not pushed?
232.

___ help in the growth of our body.

Answer»

___ help in the growth of our body.


233.

Question 1What is the kinetic energy of an object?

Answer» Question 1

What is the kinetic energy of an object?
234.

Question 3 (a)Give reasons A gas fills completely the vessel in which it is kept.

Answer» Question 3 (a)

Give reasons

A gas fills completely the vessel in which it is kept.
235.

How can a saturated solution be converted into an unsaturated solution?

Answer»


How can a saturated solution be converted into an unsaturated solution?



236.

Why wheatstone bridge is made?

Answer» Why wheatstone bridge is made?
237.

Question 1Which of the following combination of features would you observe in grass?(a) Parallel venation and fibrous root.(b) Parallel venation and taproot.(c) Reticulate venation and fibrous root.(d) Reticulate venation and taproot.

Answer»

Question 1



Which of the following combination of features would you observe in grass?

(a) Parallel venation and fibrous root.

(b) Parallel venation and taproot.

(c) Reticulate venation and fibrous root.

(d) Reticulate venation and taproot.



238.

____ are foods that mainly store energy in the body.

Answer»

____ are foods that mainly store energy in the body.


239.

5.three identical point masses each of mass 1kg lie in the x and y planeat points (0,0) (0,0.2) and (0.2,0.2) respectively ( in metre ) the gravitational force on the mass at origin is

Answer» 5.three identical point masses each of mass 1kg lie in the x and y planeat points (0,0) (0,0.2) and (0.2,0.2) respectively ( in metre ) the gravitational force on the mass at origin is
240.

Ecris la recette d’une omelette et d’un gâteau au chocolat en utilisant d’abord, puis, ensuite, enfin. Ecris les recettes à l’impératif.

Answer» Ecris la recette d’une omelette et d’un gâteau au chocolat en utilisant d’abord, puis, ensuite, enfin. Ecris les recettes à l’impératif.
241.

swing delicious pluck trip sail stump recognised

Answer» swing delicious pluck trip sail stump recognised
242.

Which of the following figures does NOT show the poles of the magnet correctly?

Answer»

Which of the following figures does NOT show the poles of the magnet correctly?

243.

Question 5Explain how fertilizers are different from manure.

Answer» Question 5

Explain how fertilizers are different from manure.

244.

The movement of plant part in the direction of light is:

Answer» The movement of plant part in the direction of light is:
245.

Part of the eye that carries electric signals to the brain is

Answer»

Part of the eye that carries electric signals to the brain is


246.

Question 10Which of the following plants have you seen? Of those that you have seen, which one has flowers?Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut

Answer»

Question 10



Which of the following plants have you seen? Of those that you have seen, which one has flowers?

Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut



247.

Night Blooming flowers are generally

Answer»

Night Blooming flowers are generally


248.

Is the burrow of a rabbit its habitat?

Answer» Is the burrow of a rabbit its habitat?
249.

Coiling of garden pea tendrils around any support is an example of:

Answer»

Coiling of garden pea tendrils around any support is an example of:



250.

Why was the name black hole given?

Answer» Why was the name black hole given?