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Cell is the structural and functional unit of life. Cell is the smallest unit of our body Their are 2 main types of cells 1. Eukaryotic cells 2. Prokaryotic cells

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Sanket ... 3 years, 3 months ago

Cell is the smallest unit of structure and function of all organism there are 200 types of cell. The main type of cell is prokaryotic and eukaryote .

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Harshit Sharma 3 years, 3 months ago

Cell is the smallest unit of structure and function of all organism there are 200 types of cell. The main type of cell is prokaryotic and eukaryote

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Yogendra Kumar 3 years, 3 months ago

Cell is the smallest unit of structure and function of all organism there are 200 types of cell. The main type of cell is prokaryotic and eukaryote

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ANSWER

charcterstic of cell

Posted by Nikhil Pandey 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Preeti Dabral 3 years, 3 months ago

All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ribosomes, particles that synthesize proteins.

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Write difference between evaporation and boiling

Posted by Zeenat Dhanshe 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Sanket ... 3 years, 3 months ago

Evaporation is a normal process that occurs when the liquid form changes into the gaseous form; while causing an increase in the pressure or temperature. Boiling is an unnatural process where the liquid gets heated up and vaporized due to continuous heating of the liquid.

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What is blood cell

Posted by Neetu Bhatia 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Roshni Kri 3 years, 3 months ago

RBC (red blood cells) is composed of hameoglobin which is made up of iron .It does not have a nucleus in it to increase the space for carrying oxygen.

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An athlete complete one round of a circular track of diameter 200m in 40s . What will be the distance covered and the displacement at the end of 2 minutes 20 a

Posted by Aman Gupta 3 years, 3 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Why dry raisins placed in water swell up

Posted by Sparsh Giri 3 years, 3 months ago

CBSE > Class 09 > Science

3 answers

👌Aditya 👌 👌Kumar👌 3 years, 3 months ago

Hypotonic solutions

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Ronak Ahlawat 3 years, 3 months ago

The concentration of water in raisins is less than external environment . Therefore ,dry raisins placed in water swell up .

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Roshni Kri 3 years, 3 months ago

Rasins swell up as the contentration of water in them is comparitively less as compared to outside them therefore they swell up

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ANSWER

What is matter what is the definition of matter what is meant by matter

Posted by Prathamesh Kharade 3 years, 3 months ago

CBSE > Class 09 > Science

5 answers

Ishmita Verma 3 years, 3 months ago

Anything which occupies space and has mass is known as matter.

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Ronak Ahlawat 3 years, 3 months ago

Anything that occupies space and has mass is called matter .

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Satat Shukla 3 years, 3 months ago

Matter is anything that have mass and occupy space

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S.Shifana 9 3 years, 3 months ago

The definition of Matter is anything that has mass and volume (takes up space). For most common objects that we deal with every day, it is fairly simple to demonstrate that they have mass and take up space.

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Rishi Pal 3 years, 3 months ago

Matter is a anything that occupies space and have mass.

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What is sexual reproduction ?

Posted by Sanket ... 3 years, 3 months ago

CBSE > Class 09 > Science

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What is retardation? Write one example of retardation. How is it related to acceleration? Show the uniform retardation graphically

Posted by Piyush Rajput 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Tanvi Gupta 3 years, 3 months ago

Retardation is also de acceleration Like an object is moving with ths retardation of - 6m/s^2

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What is relation between wavelength and amplitude

Posted by Priyal Goyal 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Sanket ... 3 years, 3 months ago

You play free fire

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8. Define ‘Brownian Motion’. Name the Scientist who first observed it.

Posted by Archana Kumari 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Sanket ... 3 years, 3 months ago

You play free fire

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Difference between homogeneous and heterogeneous mixture.

Posted by Vanshika 2008 3 years, 3 months ago

CBSE > Class 09 > Science

2 answers

Harshit Dhote 3 years, 3 months ago

Homogenous mixtures generally have a uniform composition throughout the mixture whereas Heterogeneous mixtures have composition which may vary from point to point. In Homogenous mixtures, the whole mixture is in the same phase whereas in Heterogeneous mixture, substances can be of two phases and layers may separate.

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Sanket ... 3 years, 3 months ago

You play free fire

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ANSWER

Napthalene balls disappear with time without leaving any solid. Give reason

Posted by Piyush Bairwa 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Jashandeep Kaur 3 years, 3 months ago

By absorbing heat energy from the surroundings, napthalene balls was slowly sublime that is solid naphthalene balls directly get converted into vapours and disappear with time without leaving any solid.

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Describe the structure of cell membrane

Posted by Aarjav Patni 3 years, 3 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

The term 'protoplasm' was coined by ?

Posted by Ayush Thapliyal 3 years, 3 months ago

CBSE > Class 09 > Science

3 answers

Deepti Kumari 3 years, 3 months ago

Purkinje

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Sanket ... 3 years, 3 months ago

You play free fire

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Kashish Srivastav 3 years, 3 months ago

Purkinje

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ANSWER

Name the two cell organelles that contain there own genetic material

Posted by Akansha Sehgal 3 years, 3 months ago

CBSE > Class 09 > Science

4 answers

Bhavya Shah 3 years, 3 months ago

Plastids and mitochondria are the two organelles which have their own ribosomes and DNA material

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Sanket ... 3 years, 3 months ago

You play free fire

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Sunny Goyat 3 years, 3 months ago

Mitochondria also known as Power house of the cell

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Karina Karina 3 years, 3 months ago

Mitochondria and plastids

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Explain what happens to the molecular motion and energy of 1 kg of water at 273 k when it is changed into ice at same temperature. How is the latent heat of fusion related to the energy exchange the takes place during this change of state?

Posted by Krishna Agarwal 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Sanket ... 3 years, 3 months ago

You play free fire

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ANSWER

Formula of time = distance/speed?????

Posted by Ishika Singh 3 years, 3 months ago

CBSE > Class 09 > Science

5 answers

Sanket ... 3 years, 3 months ago

Ishika what's app number do agar FF khelti ho to

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Sanket ... 3 years, 3 months ago

Ishika you play free fire

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Sanket ... 3 years, 3 months ago

Yes ishika

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Anish Kumar 3 years, 3 months ago

Yes

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Bansari Joshi 3 years, 3 months ago

The formula for time is [Time = Distance ÷ Speed]

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ANSWER

Why do we need food??

Posted by Himani Mehta 3 years, 3 months ago

CBSE > Class 09 > Science

4 answers

Hema Sri 3 years, 3 months ago

We need to eat food because we need to get energy to do any exercise or any activity. I think this helps u

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Sanket ... 3 years, 3 months ago

You play free fire

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Sankar Kadam 3 years, 3 months ago

To be healthy and be energetic

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Keshav Mishra 3 years, 3 months ago

for energy and growth

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ANSWER

Another meaning of reproduction is

Posted by Keerthi Prasad 3 years, 3 months ago

CBSE > Class 09 > Science

2 answers

Sanket ... 3 years, 3 months ago

You play free fire

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Sanket ... 3 years, 3 months ago

Reproduce ??

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What is o⁴ . It will exit

Posted by Keerthi Prasad 3 years, 3 months ago

CBSE > Class 09 > Science

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During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 x 10⁸ m s ?

Posted by Ishika Singh 3 years, 3 months ago

CBSE > Class 09 > Science

3 answers

Sanket ... 3 years, 3 months ago

Hello ishika

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Sanket ... 3 years, 3 months ago

You play free fire

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Keshav Mishra 3 years, 3 months ago

s=vt, v=3*10 power 8 , t = 5 mins =5*60=300s, distance =3*300*10 power8 = 9*10 power 10 m or just put 10 zero after 9

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ANSWER

A compound is regarded as a pure substance while mixture is not . Give reason

Posted by Zeenat Dhanshe 3 years, 3 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

A body thrown vertically upwards reaches a maximum height it then returns to ground calculate the total distance travelled and the displacement

Posted by Nidhi Ghodki 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Sanket ... 3 years, 3 months ago

You play free fire

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ANSWER

What is GM crop

Posted by Mido Ratan 3 years, 3 months ago

CBSE > Class 09 > Science

3 answers

Mido Ratan 3 years, 1 month ago

Yes

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Sanket ... 3 years, 3 months ago

You play free fire

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Ishika Singh 3 years, 3 months ago

Crops which are been developed by introducing a new gene from any other source, e.g., bacteria or any other organism to obtain the desired character is called Genetically Modified (GM) crop.

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ANSWER

To demonstrate the diffusion of Liquids or gases

Posted by Ayushi Sahu 3 years, 3 months ago

CBSE > Class 09 > Science

2 answers

Sanket ... 3 years, 3 months ago

You play free fire

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Vinod Singh 3 years, 3 months ago

Home work

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What is reproduction in human

Posted by Ayush Sharma 3 years, 3 months ago

CBSE > Class 09 > Science

2 answers

Ishika Singh 3 years, 3 months ago

Reproduction means to reproduce. It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism. Reproduction enables and ensures the continuity of species, generation after generation. It is the main feature of life on earth.

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Kamar Tyagi 3 years, 3 months ago

कपड़े धूप में क्यों टूटते हैं

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Explain properties of particles of matter along with how these vary in various states

Posted by Naman Tripathi 3 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Bansari Joshi 3 years, 3 months ago

Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. ... Gaseous matteris composed of particles packed so loosely that it has neither a definedshape nor a defined volume

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Ncert book ka motion book Mai ex. Ka 10 wala question samj nhi AA RHA hai v Kyu nikalni h

Posted by Dazy Yadav 3 years, 3 months ago

CBSE > Class 09 > Science