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ANSWER

How many tissues

Posted by Kalpana Kurotiya 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Yogita Ingle 7 years, 2 months ago

A group of cells with similar shape and function are termed as tissues. They form a cellular organizational level intermediate in between the cells and organ system. Organs are then formed by combining the functional groups of multiple tissues.

There are different types of tissues in different organs. For example, in human beings, there are four basic types of tissues:

Epithelial Tissue,
Connective Tissue,
Muscular Tissue and
Nervous Tissue.

Animal tissues are basically grouped of four types:

Connective Tissue
Muscle Tissue
Nervous Tissue
Epithelial Tissue

Kalpana Kurotiya 7 years, 2 months ago

3type

ANSWER

A lamp consumers 1000J of electrical energy in 20 seconds . What it its power

Posted by Harshit Bharti 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Nehad T 7 years, 2 months ago

P=50

ANSWER

Acceleration due to gravity of the Earth is less than equator than expose why?

Posted by Mukul Parwani 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Nehad T 7 years, 2 months ago

ANSWER

What is scientific name of tiger?

Posted by Suyash Walke 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Nehad T 7 years, 2 months ago

Akanksha Kumari? 7 years, 2 months ago

Panthera Tigris

ANSWER

What is the scientific name of mango?

Posted by Suyash Walke 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Simran Das 7 years, 2 months ago

Mangifera indica

ANSWER

Protine factory of cell

Posted by Shraddha Prajapati 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Akanksha Kumari? 7 years, 2 months ago

Ribosome is known as the protein factory of cell..

3Thank You

ANSWER

Calculate the number of Aluminum ions present in 0.051 gm of Al2 O3.(Al =27u, O=16u)

Posted by Shivam Kumar 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Rinki Barnwal 7 years, 2 months ago

0.027 g Al

ANSWER

What is radioactive isotope.?

Posted by Hemu Jain 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Hemu Jain 7 years, 1 month ago

Can you ask more about it ?

Rinki Barnwal 7 years, 1 month ago

Radioactive elements are unstable. They decay and change into different element over time.

ANSWER

I don't know how to solve the numericals in chemistery and physics can anyone help......?

Posted by Bharti Budiraja 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Manani Chaudhary 7 years, 2 months ago

I think in chemistry numericals are very easy you should do them first and then you should solve the numericals of physics firstly you should do them which are easy according to you then the difficult one you can take help from your classmates

Shachi Sharma 7 years, 2 months ago

ANSWER

Chemical formula of calcium carbonate

Posted by Manju Mordhaya 7 years, 2 months ago

CBSE > Class 09 > Science

5 answers

Rinki Barnwal 7 years, 2 months ago

Caco3

Nehad T 7 years, 2 months ago

Caco3

Rohit Chavan 7 years, 2 months ago

Caco3

Manani Chaudhary 7 years, 2 months ago

CaCO3

3Thank You

Gitanjali 297 7 years, 2 months ago

CaCo3

3Thank You

ANSWER

Which has more numbers of atoms 100g of sodium or 100g of iron.

Posted by Shivam Kumar 7 years, 2 months ago

CBSE > Class 09 > Science

3 answers

Ujwal Kumar 7 years, 2 months ago

It is sodium because no of moles will be more in sodium and when we multiple no of moles × avagadro no we will get no of atoms

Manani Chaudhary 7 years, 2 months ago

100g of iron

Gitanjali 297 7 years, 2 months ago

I Think iron has more numbers of atoms

ANSWER

Solution of sample paper of 2017-18

Posted by Trishu Trishu 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Hemu Jain 7 years, 2 months ago

Tell

ANSWER

Liquids generally have lower density as compared to solid. But you must have observed that ice floats on water why

Posted by Yashasvi Misra 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Gifty Rajesh 7 years, 2 months ago

Eventhough ice is a solid it has vacant spaces between the water molecules which makes them lighter.

Lakshita Bookworm 7 years, 2 months ago

ice is actually the solid form of water and when water is converted into ice on freezing it traps certain air particles in it and therefore making ice lighter than other solids

ANSWER

What are present in our chromosomes

Posted by Subathra Ulaganathan 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 7 years, 2 months ago

Chromosomes are the thread-like structure found in the nuclei of both animal and plant cells. They are made of protein and one molecule of deoxyribonucleic acid (DNA).
As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.

ANSWER

What is sustainable agriculture and their advantages

Posted by Jahanavi Mittal 7 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 7 years, 2 months ago

Sustainability means keeping an effort going continuously. So, sustainable agriculture means successful management of resources for agriculture to satisfy the changing human needs, while maintaining or enhancing the quality of environment and conserving natural resources.
Advantages of Sustainable agriculture:

It achieves the integration of natural biological cycles and control.
It protects and renews soil fertility and the natural resource base.
It provides an adequate and dependable form of income.
It promotes opportunity in family farming and farm communities.

ANSWER

Difference between longitudinal and transverse waves

Posted by Raghav Malhotra 7 years, 2 months ago

CBSE > Class 09 > Science

3 answers

Yogita Ingle 7 years, 2 months ago

Longitudinal	Transverse
The movement of the medium is of the same direction of the wave	The movement of the medium is perpendicular to the direction of wave
It acts in one dimension	It acts in two dimension
The wave cannot be polarized or aligned	The wave can be polarized or aligned
This wave can be produced in any medium such as gas, liquid or solid	This wave can be produced in solid and liquid’s surface
Earthquake P wave is an example	Earthquake S wave is an example
It is made of refractions and compressions	It is made of troughs and crests

Lakshita Bookworm 7 years, 2 months ago

Well ... This is it ...as far as i think!..

Lakshita Bookworm 7 years, 2 months ago

When the particles of the medium move back and forth in the direction of motion of the wave then it is said to be a longitudnal wave And when the particles of the medium move up and down in the direvtion of motion of the wave then it is said to be a travsverse wave

ANSWER

Whichplant tissue wil u associatewith the conduction of water in plants

Posted by Sarita Bhatt 7 years, 2 months ago

CBSE > Class 09 > Science

3 answers

Gitanjali 297 7 years, 2 months ago

Xylem

Simran Das 7 years, 2 months ago

Xylem

Sarita Bhatt 7 years, 2 months ago

Answer

ANSWER

Moon revolves around the earth by which force? Centripetal force or gravitational force

Posted by Itika Singhal 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Lakshita Bookworm 7 years, 2 months ago

Well in this case the gravitational force only is the centripetal force ig ?!?!

Shibhi Gupta 7 years, 2 months ago

Centipetal force

ANSWER

When a carpet is beaten with stick , dust comes out. Explain

Posted by Shivam Kumar 7 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Gitanjali 297 7 years, 2 months ago

Both carpet and dust are in rest when the carpet is beaten with stick the dust tries to remain in rest due to interia of rest and the dust comes out

Manani Chaudhary 7 years, 2 months ago

Dust in the carpet are in the state of rest.when the carpet is beaten with stick the the dust in the carpet set in motion and and due to inertia of rest the dust try to maintain its state of rest and comes out