CBSE > Class 06 > Science (OLD) | CBSE Board | Homework Help

My thought are that it is a electronical device . Which is use for any thing . Some time it is harmful to and disease like blind ness and anxiety are also by this so i thought phone is nice but we should use it properly

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can we mix 2 components in any amount to make a mixture?justify.

Posted by Y S 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Vedika Jindal 7 years, 4 months ago

No for example caustic soda ki ten drops

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What are abiotic

Posted by Neeru Phogat 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Pranjal Saraswat 7 years, 4 months ago

Those things which are non - living things are called abiotic

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Explain Cartilage

Posted by Vaibhav Raghuwanshi 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Yogita Ingle 7 years, 4 months ago

Cartilage is a stiff yet flexible connective tissue. It is not as hard and rigid as bone but is stiffer and less flexible than a muscle. Cartilage is and elastic tissue that covers the end of the bones at a joint. Cartilage acts as a cushion or sponge and absorbs shock at the joints. It is present at joints between bones, the rib cage, the ear, the nose, the elbow, the knee, the ankle, the bronchial tubes and the intervertebral discs.

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What is knowing

Posted by Aman Malviya 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

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Why cubit can't be added in SI unit..plz ans before tomorrow as tomorrow is exam

Posted by Om Manglik 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

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Jute mats are called soil savers

Posted by Nancy Dawani 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 5 years, 11 months ago

Jute mats are used as soil savers because it helps to hold on moisture and allows water and light also to penetrate.

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How will you test whether sunlight is necessary for preparation of food by plants or not?

Posted by Kushal K 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

Procedure:
1. Take the potted plant and keep it in a dark place for 2-3 days so that the leaves get destarched.

2. Cover a part of one of its leaves with the strip of black paper. Make sure that you cover both the sides of the leaf.

3. Now place this plant in sunlight for 3—4 hours.

4. Pluck the selected covered leaf and remove the black paper covering it.

5. Place this leaf in the beaker containing water and boil it for about 10 minutes.

6. Take out the leaf and now boil it in alcohol, using the water bath, for 10 minutes. This removes the chlorophyll.

7. Take out the leaf and wash it under running water.

8. Place this leaf in the Petri dish and put a few drops of iodine solution on it. Now observe the change in colour.

Observations:
The leaf turns blue-black except in the covered region. As this covered region did not receive light, photosynthesis did not occur. Hence no starch was formed there. The uncovered region received light and starch was formed there due to photosynthesis.

Result:
Light is essential for photosynthesis.

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Reversible irreversible

Posted by Shourya Sharma 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Vaishnavi Gagan 7 years, 4 months ago

Raw egg to boiled egg Irreversible Wet cloths to dry cloths Reversible

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What is a drought

Posted by Khushi Tomar 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Nancy Dawani 7 years, 4 months ago

When a region does not have enough rainfall for several years is known as drought

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What is natural fibre

Posted by Ankita Mishra 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

2 answers

Aditya Kumar Nayak 7 years, 4 months ago

Fibres obtained from plants and animals Eg-cotton ,wool ,silk ,jute

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Apshita Sharma 7 years, 4 months ago

The fibres obtained from plants and animals are called natural fibres. Eg- cotton,jute (plants) Silk , wool (animals)

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What use of water

Posted by Rajni Singh 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Bhuvnishta Bedi 7 years, 4 months ago

There are a lot of uses : such as for drinking , washing, bathing , painting etc

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How are scavengers and decomposers are useful to us

Posted by Shivansh Raman 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Ridhima Kewda 7 years, 4 months ago

Scavengers and decomposers are useful to us as they clean the environment by eating the flesh of animals found on the roads and path . Thus ,they are also called the cleaning agents of the environment.

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The material to prepair food

Posted by Shivansh Raman 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

3 answers

Apshita Sharma 7 years, 4 months ago

Ingredients

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Aditya Kumar Nayak 7 years, 4 months ago

Ingredients

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Shivansh Raman 7 years, 4 months ago

Ingredient

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A box in which the honey bees are artificially reared is called

Posted by Shivansh Raman 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Shivansh Raman 7 years, 4 months ago

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Rearing fish on a large scale is known as

Posted by Shivansh Raman 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Ridhima Kewda 7 years, 4 months ago

Pisciculture

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what is stimuli

Posted by Chinmaya Sahu 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

2 answers

Anushka Singh 7 years, 4 months ago

When the plant give response is called stimuli.

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Noor Saini 7 years, 4 months ago

The response is called stimuli. Eg response. Of touch -me- not of folding its leaves when something or someone touches it

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Motion of seconds hand of a clock is rectilinear. True or false

Posted by Charandeep Rai 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Aditya Kumar Nayak 7 years, 4 months ago

False

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The joint between shoulder and arms

Posted by Aanya Kanodia 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

3 answers

Anirud Krishna 7 years, 4 months ago

The joint between the shoulder and arms are BALL and SOCKET joint

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Aditya Kumar Nayak 7 years, 4 months ago

Ball and socket joint

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Noor Saini 7 years, 4 months ago

Ball and socket joint

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Function of iodine

Posted by Chiranjit Dutta 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Meghna Thapar 6 years ago

Iodine is essential for the proper functioning of the thyroid gland which controls the growth of the body. It is found in fruits, vegetables, sea-food and iodised salt.

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Explain the process of making a collection of iPhone

Posted by Mustafa Sodawala 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

1 answers

Mustafa Sodawala 7 years, 4 months ago

the process of making a collection of iPhone is kalohas

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You have given a iron strip . How will you make it into a magnet?

Posted by Drima Patel 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)

2 answers

Apshita Sharma 7 years, 4 months ago

(1).take a rectangle piece of magnet keep on the table. (2).rub it with a bar magnet from one ent to another without lefting in between. (3). repeat this process for 30-40 times. we can test by bringing iron fillings near to it. (4).if the iron fillings stick to the magnet(newly formed magnet)it comforms of formation of magnet. (5).if the iron filling do not stick to the magnet do this process for some more times

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Mustafa Sodawala 7 years, 4 months ago

hxixud

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what do mean by history

Posted by Sneha Chauhan 7 years, 4 months ago

CBSE > Class 06 > Science (OLD)