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Xylem is the complex tissue of plants, responsible for transporting water and other nutrients to the plants. Phloem is living tissue, responsible for transporting food and other organic materials. Xylem consists of dead cells (parenchyma is the only living cells present in the xylem).

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From where do I get biology, physics and chemistry book of pradeep publication?

Posted by Nifty Sharma 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Asher Shibu 3 years, 7 months ago

You can get used books for free at mypustak. Com

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What is the cause of Tyndall effect as shown by colloid?

Posted by Santosh Meena 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Tanmay Srivastava 3 years, 7 months ago

Particles of colloid are big enough to scatter a beam of light .Also they have brownian motion so they don't settle down when left undisturbed ??

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How does earth rotate as the earth revolut due to centripetal nad centrifugal force but which force acts on earth for its rotation?

Posted by Ankit Raj 3 years, 7 months ago

CBSE > Class 09 > Science

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Define Atomic Mass ?

Posted by Priya Ambani 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Priyanka Jayakumar 3 years, 7 months ago

The sum of protons and neutrons present in the nucleus of an atom . It is denoted by A

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Shreyas Jopat 3 years, 7 months ago

Mass conducted by a atom on its own.. For ex. 4 molic mass reaches it s atom to 98.oo mm per sec _/77 nuetron

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Vijay Raut 3 years, 7 months ago

The mass of nucleus is called as atomic mass of an element or atom

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Nimisha Kumari 3 years, 7 months ago

The atomic mass is the mass of an atom. Although the SI unit of mass is kilogram, the atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as ¹⁄₁₂ of the mass of a single carbon-12 atom, at rest.

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Difference between isotopes and isobars with example and uses

Posted by Priya Ambani 3 years, 7 months ago

CBSE > Class 09 > Science

2 answers

Ananya Verma 3 years, 7 months ago

Isobars are those elements which have same mass no. But diffrent atomic no. Example: argon and potassium has same atomic no. That is 40

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Ananya Verma 3 years, 7 months ago

Isotopes are those elements which have same atomic no.but different mass no. Example:isotopes of hydrogen are protium , deuterium, tritium Cobalt 60 isotope is used to treat cancer

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A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate (i) the maximum height to which it rises, (ii) the total time it takes to return to the surface of the earth.

Posted by Logesh Vijayakumar 3 years, 7 months ago

CBSE > Class 09 > Science

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What is thr smallest unit of a matter

Posted by Asher Shibu 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Ranjeet Kumar Pandit?? 3 years, 7 months ago

An atoms is the smallest unit of matter which cannot be divided further

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Vijay Raut 3 years, 7 months ago

Atom are called as the smallest unit of the matter which can further classified into three parts they are neutron,protron and electron

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Sahajpreet Kaur 3 years, 7 months ago

Atom

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Priyanshu Srivastava 3 years, 7 months ago

The atom which can be further divided into proton, electron, neutron

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Drawback of Rutherford model ?

Posted by Vishvajeet Singh Mertiya 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Sahajpreet Kaur 3 years, 7 months ago

Failed to explain stability of an atom

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Asher Shibu 3 years, 7 months ago

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Asher Shibu 3 years, 7 months ago

He cannot explain the stablity of an atom If a electon revolve aroumd the nucleas the nucleas will radiate energy from electron and the electron will fall intonthe nucleus

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Name men reproductive part ?

Posted by Priya Ambani 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Abhinav Sharma 3 years, 7 months ago

*****

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Shreyas Jopat 3 years, 7 months ago

***** and testis

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Arshi Naushad 3 years, 7 months ago

***** and testicles

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Priya Ambani 3 years, 7 months ago

Hi guys

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Isotopes and its use

Posted by Khushi Mundra 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Ananya Verma 3 years, 7 months ago

Cobalt 60 isotope is used to treat cancer

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Asher Shibu 3 years, 7 months ago

Istope is used toeasure the mass of an atom .. Carbon 12 atom

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Vishvajeet Singh Mertiya 3 years, 7 months ago

Elemants having same atomic number but different mass number

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Feature of cells

Posted by Manisha Prajapati 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Asher Shibu 3 years, 7 months ago

Cells are the functional and structural unit of life Cells contain different organelles Cell has a nuclear membrame, cytoplasm, nucleas But in a plant cell it alsonhas a cell wall Cells organrlls are interconnected If one organelles die the entire cell die

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What is tissie

Posted by Manisha Prajapati 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Ranjeet Kumar Pandit?? 3 years, 7 months ago

A group of cell known as tissue

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Kanishka Rankaushal 3 years, 7 months ago

Tissue *

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Khushi Mundra 3 years, 7 months ago

A group of cells

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Meet Thacker 3 years, 7 months ago

A group of particular types of cell

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How to separate iron needle from sand

Posted by Anushka Singh 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Himanshu Beniwal 3 years, 7 months ago

Nice

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Divya Gupta 3 years, 7 months ago

By magnetic separation

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Rabbit Nom Nom 3 years, 7 months ago

The magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using magnetic force. This is best way to separate the mixture of sand and iron fillings as iron is attracted by magnet.

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All intext question

Posted by Himanshu Soyal 3 years, 7 months ago

CBSE > Class 09 > Science