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ANSWER

What is wbc and rbc not rcb????

Posted by Vinay Adapur 6 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Pavithra Ethirajan 6 years, 9 months ago

WBC white blood cells and RBC red blood cells

Abhi Ram 6 years, 9 months ago

White blood cells and red blood cells not royal challengers Bangalore ????

Anagha Avinash 6 years, 9 months ago

White blood cells and red blood cells

3Thank You

ANSWER

How is soil erosion

Posted by Pari Patel 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Denudation of the soil cover and subsequent washing down is known as soil erosion.
Causes of soil erosion:

Due to human activities like deforestation, overgrazing, construction and mining, etc.
Natural forces like wind, glacier and water leads to soil erosion.
The running water cuts through clayey soils and makes deep channels as ‘gullies’. The land becomes unfit for cultivation, this process is called gully erosion and the land is called bad land or ravines in the Chambal basin.
Sometimes, water flows as a sheet over large areas down a slope. It leads to the washing away of the top soil. This process is called sheet erosion.
Wind blows loose soil off flat or sloping land, and is called wind erosion.
Soil erosion is also caused due to defective methods of farming

ANSWER

What do you mean by lateral inversion?

Posted by Shraddha Pendharkar 6 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Anagha Avinash 6 years, 9 months ago

Lateral inversion is one of the property of a plane mirror which shows the laterally inversed image that means if u stand infront of a mirror and lift your right hand thr image will have the left hand lifted

Amrita Thapa 6 years, 9 months ago

Right to left

Shraddha Pendharkar 6 years, 9 months ago

ANSWER

Green plants are

Posted by Khusnuma Kparween 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Amrita Thapa 6 years, 9 months ago

AUTOTROPHS

Aryan Prajapati 6 years, 9 months ago

Producers

ANSWER

How we are change liquide into gas

Posted by Prince Kotwani 6 years, 9 months ago

CBSE > Class 07 > Science

4 answers

Suyog Sonar 6 years, 9 months ago

By the process of evaporation. For example we convert water into water vapour by heating water it is a process of evaporation

Suyog Sonar 6 years, 9 months ago

By the process of evaporation

Arnav Sao 6 years, 9 months ago

By the process of condensation

Sanchari Sen Gupta 6 years, 9 months ago

By the process of condensation

ANSWER

What are the characteristics of motion

Posted by Anashwara Nair 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Meghna Thapar 5 years, 10 months ago

A motion could be along a straight line, it could be circular or periodic.
An object is said to be in motion when its position changes with time.
There are four important types of motion i.e. rectilinear motion, circular motion, rotational motion, and periodic motion.

ANSWER

How are composting?

Posted by Urmila Pal 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Sanket Kumar 6 years, 9 months ago

The process of preparing compost through wastes is known as composting.

ANSWER

Difference between composting and vermicomposting toilets?(only 5 points easy)

Posted by Rahul Sharma 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Composting is the rotting and conversion of organic waste into manure. This process is brought about by bacteria. The process of composting brought about with the help of earthworms is called vermicomposting.
Vermicomposting does not require as much space as traditional compost piles and can be done indoors or outside. Since vermicomposting can be done under a kitchen cabinet or in a heated garage, it is spared any inclement weather and can be done year-round.

ANSWER

What is bar screen

Posted by Arnav Sao 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Suyog Sonar 6 years, 9 months ago

Bar screen is a screen which can see the large objects like packets,plastic and etc in water

Rini Sikdar 6 years, 9 months ago

Bar screens are used to remove large objects like rags, sticks, napkins, plastic from wastewater.

4Thank You

ANSWER

What sexual reproduction and asexual

Posted by Anisha Parwin 5 years, 8 months ago

CBSE > Class 07 > Science

2 answers

Pavithra Ethirajan 6 years, 9 months ago

Asexual reproduction generates offspring that are genetically identical to a single parent. In sexual reproduction, two parents contribute genetic information to produce unique offspring.

Anashwara Nair 6 years, 9 months ago

if Asexual Reproduction new plants are obtained without production of seeds in sexual reproduction production of new plants are from of seeds

ANSWER

What is pancrease

Posted by Anisha Parwin 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Pancreas is a long, flat gland present in the belly. It is a vital part of the digestive system and is responsible for regulating blood sugar levels. The pancreas secretes digestive enzymes such as proteases, amylase and lipase into the duodenum. These enzymes help to digest proteins, sugars and fat respectively.

ANSWER

What is seed disperseal

Posted by Anisha Parwin 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Aswathy Jiji 6 years, 9 months ago

Scattering of seeds and fruits over large area by different agents. Such as water, wind, animals and human beings is known as seed dispersal. Plants cannot move from one place two another. Therefore, seed dispersal help them to grow in different places.

ANSWER

What is heating effect of current

Posted by Anisha Parwin 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Sonaali Ramachandran 6 years, 9 months ago

When electricity pass through an metal object it produce heat thiz is called heating effect of current

ANSWER

Who are ruminants and rumination

Posted by Anisha Parwin 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Varsha Awasthi 6 years, 9 months ago

The cows, buffaloes and other grass -eating animals quickly swallow the grass and store it in a part of the stomach called rumen.Here the food gets partially digested and is called cud, but later the cud returns to the mouth in small lumps and the animal chews it. This process is called rumination and these animals are called ruminants.

ANSWER

Adaptation in chameleon

Posted by Punit Soni 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Muzammil Kazi 6 years, 9 months ago

Chamelian can change its colour according to sorrounding for protectection or food

ANSWER

Whst if the pollingrain of a different breed of a flower falls on other type of the flower will it fertilize

Posted by Abhinav Dubey 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

When pollen from a plant's stamen is transferred to a different plant's stigma, it is called cross-pollination. ... The plants must be of the same species. For example, only pollen from a daisy can pollinate another daisy. Pollen from a rose or an apple tree would not work. For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of a flower: a process known as pollination. Gymnosperm pollination involves the transfer of pollen from a male cone to a female cone. ... After fertilization, the zygote divides to form the embryo and the fertilized ovule forms the seed.

ANSWER

If a trees one flower pollen grain falls on same tree pollen grain it is called

Posted by V Srisanth 6 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Pavithra Ethirajan 6 years, 9 months ago

Self pollination

Jisha Hariharakumar 6 years, 9 months ago

Self-Pollination

Devanshi Kothari 6 years, 9 months ago

Self pollination

ANSWER

In desert soil erosion occours through

Posted by Vk Rohith 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Muzammil Kazi 6 years, 9 months ago

Lack of water leads soil erosion & trees can't live without water

V Srisanth 6 years, 9 months ago

Wind as trees are not there

ANSWER

State difference between acids and bases

Posted by Simhadri Simhadri 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Pavithra Ethirajan 6 years, 9 months ago

Acid are sour in taste and Base are bitter in taste

Prabhat Kumar 6 years, 9 months ago

Acid 1.sour in taste. 2.change blue litmus into red. 3.its ph is less than 7. 4.doesn't feels soapy on touching. Base 1.bitter in taste. 2.change red litmus into blue. 3.its ph is greater than 7 and less than 14. 4.feel soapy on touching.

ANSWER

What is electroplating

Posted by Sucheta Ghosh 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Vardhini Suresh Babu 6 years, 9 months ago

It is the method of making an iron material into magnet

ANSWER

Defination of magnetic effect of current

Posted by Reena Jain 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Eswar Sai 6 years, 9 months ago

When the wire acts as magnet the magnetic force floow through so this is known as magnetic effect of current Example electric bell and electric fan

ANSWER

Test for starch

Posted by Ankush Sinha 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Boil the leaf in water to soften it and then boil it further in alcohol to break down the chlorophyll. Alcohol decolorizes the leaf by washing out the chlorophyll. Rinse the leaf with water so it removes green colour from the leaf and rehydrates it. Put a few drops of Iodine on the leaf, which is an indicator that turns blue-black in the presence of starch and brown without starch.

ANSWER

Which acid are use in our body

Posted by Shubhanshu Aryan 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Neeharika Honey 6 years, 9 months ago

Hcl

Sandhya Yajurvedi S 6 years, 9 months ago

HCL (Hydro Chloric Acid)

ANSWER

a simple simple pendulam takes 32second complete train take 4 hours to cover the distance calculate the speed ot train

Posted by Sanket Kesarkar 6 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Pavithra Ethirajan 6 years, 9 months ago

32/4=8

Neeharika Honey 6 years, 9 months ago

Abhijeet Sawant 6 years, 9 months ago

7.5

ANSWER

Explain how water and Minerals are transported to the leaves of a plant to be used in food making by the photosynthesis

Posted by Meer Panchal 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Neeharika Honey 6 years, 9 months ago

Through xylem

Niyati Niyati 6 years, 9 months ago

By xylem

ANSWER

Why the iron attract magnet ??

Posted by Abida Bilquees 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Magnets are made up of the magnetic substance. Magnet attracts ferromagnetic materials like iron, cobalt, and nickel.

4Thank You

ANSWER

What is the filament of the bulb made up of?

Posted by Devanshi Kothari 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Devanshi Kothari 6 years, 9 months ago

Thank u for your brief answering

Yogita Ingle 6 years, 9 months ago

The filament of the bulb is made up of tungsten because it is an alloy.
Alloys do not oxidise ( burn ) easily compared to metals like copper.
Hence the filament will not get burnt up quickly and we dont have to keep changing it.

ANSWER

What is decomposer

Posted by Sanju Kumar 6 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Devanshi Kothari 6 years, 9 months ago

The organisms who convert dead plant and animal tissues into a dark coloured substance called humus are called decomposers. For example : tiny insects, millipedes, centipedes and other microorganisms

Gaurav Seth 6 years, 9 months ago

The decomposers play an importnat role in the ecosystem.
They breakdown the organic waste products and dead remains of organisms into the inorganic substances needed by the producers (plants). They break down the complex organic substances into simple inorganic substances that replenish the fertility of the soil. They also serve as food for organisms like earthworms.