CBSE > Class 10 > Science | CBSE Board | Homework Help

The placenta is a disc-like structure and is embedded in the uterine wall. It provides nutrition and oxygen to the fetus from the mother's blood and carries out foetal waste removal.

2Thank You

ANSWER

Preodic table

Posted by Gourav Rai 3 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Jagdish Shukla 3 years, 3 months ago

Hey friendship👭

1Thank You

Aleeza Siddique 3 years, 3 months ago

Hey

2Thank You

ANSWER

Name the hormone which increases heartbeat rate when we get frightened.

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Diksha Yadav 3 years, 2 months ago

Adrenaline

0Thank You

Saumya Singh 3 years, 3 months ago

Adrenaline

2Thank You

Vījây Trípãthî 3 years, 3 months ago

Endocrine 👍

0Thank You

ANSWER

What is insulin?

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Diksha Yadav 3 years, 2 months ago

Is a type of hormone which cantrol sugar level

0Thank You

Saumya Singh 3 years, 3 months ago

Insulin is a type of harmone realised by pancreas it works when sugar level of body went up it works to reduce sugar level to normal .

0Thank You

Suryansh Tripathi 3 years, 3 months ago

Insulin is a hormone that lowers the level of glucose (a type of sugar) in the blood. It's made by the beta cells of the pancreas and released into the blood when the glucose level goes up, such as after eating. Insulin helps glucose enter the body's cells, where it can be used for energy or stored for future use.

0Thank You

ANSWER

Name the movements which are also known as sleep movements.

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Shivam Garg 3 years, 3 months ago

Nyctinastic movements- These are also called sleeping movements because they occur in response to a change in day and night as well as the change in temperature. For example, the leaves of leguminous plants fold up and close in the evening and open in the morning.

1Thank You

ANSWER

Explain how the human body response when adrenaline is secreted into blood.

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Saumya Singh 3 years, 3 months ago

Adrenaline prepared body for emergency when adrenaline is realised in human body person feel nervous.For example :when we said lie our body realise adrenaline and we feel fear .

4Thank You

ANSWER

How do nerve impulses travel in the body ?explain.

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Anshika Sharma 3 years, 2 months ago

Nerve impulses begin in a dendrite, move toward the cell body, and then move down the axon. A nerve impulse travels along the neuron in the form of electrical and chemical signals. The axon tip ends at a synapse. A synapse is the junction between each axon tip and the next structure.

0Thank You

ANSWER

How are the brain and spinal cord protected?

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Saumya Singh 3 years, 3 months ago

Brain has three layers called meninges. First layer called dura matter ,second was archnoid matter and third was pia matter . Between second and third layer there was space called subarachnoid space in which a fluid is present called cerebrospinal fluid which protects brain and spinal cord.It act as shock absorber to protect brain and spinal cord.

2Thank You

ANSWER

What is cerebrospinal fluid? What is its function?

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Harsh Yadav 3 years, 2 months ago

Cerebrospinal fluid present in the brain which protect us from the shock

0Thank You

Harshitha Harshitha 3 years, 2 months ago

The fluid which is present in the brain.It protect us from danger situation.

1Thank You

ANSWER

What will happen if all the decomposers are removed from the ecosystem

Posted by Palak Srivastava 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aleeza Siddique 3 years, 3 months ago

If all the decomposers are removed from the ecosystem the invironmet is of death bodies and there are no any decomposers which can decompose the bodies.and get disturbed due to removal of decomposer from the ecosystem.

1Thank You

ANSWER

What is resistivity and write it's S.I unit

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Rdm 😈 3 years, 3 months ago

The resistivity of a material is the resistance of a wire of that material of unit length and unit area of cross-section. Its S.I. unit is ohm-metre.

0Thank You

ANSWER

What do mean by tubectomy?

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Preeti Dabral 3 years, 3 months ago

A little portion of the fallopian tube is cut out or tied up during a tubectomy, a sterilization procedure. Tubal sterilization is another name for it. It is used to sterilize women or provide them with long-term contraception.

0Thank You

ANSWER

What is the Full form of CFCs

Posted by Aleeza Siddique 3 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Preeti Dabral 3 years, 3 months ago

Chlorofluorocarbon: The full form of CFC is Chlorofluorocarbon. Any of the numerous halocarbon compounds made from carbon, hydrogen, chlorine, and fluorine are called chlorofluorocarbon.

1Thank You

Dhwani Panchal 3 years, 2 months ago

Cloro floro carbon

0Thank You

Mahi Bhambri 3 years, 2 months ago

Chlorofluorocarbon

0Thank You

ANSWER

What is the meaning of ( Implications of balanced chemical equation )

Posted by Tanya Mehta 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Tanya Mehta 3 years, 2 months ago

Ohk...☺️

0Thank You

Rajat Negi 3 years, 3 months ago

Balanced equation has equal number of atoms on both the sides of the equation. Balanced equation is required to keep the Law of conservation of mass true.

1Thank You

Jagdish Shukla 3 years, 2 months ago

Bhumika shingvi happy new year🎉🎊🎇

0Thank You

Bhumika Shingvi 3 years, 3 months ago

If there is a eq given like Cu+O2 = CUO We have to balance this equation like in this eq O is having 2 atoms and CU have no atoms with it so we will add no. To balance it Like 2Cu+O2 = 2CuO So this is the balanced chemical equation

2Thank You

ANSWER

Is vena cava only vein which provides deoxyenated blood ?

Posted by Bal Ganesha 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Aarti Mahato 3 years, 2 months ago

Only pulmonary vein carries oxygenated. Vena Cava carries de-oxygenated blood

0Thank You

Jagdish Shukla 3 years, 3 months ago

Yes

1Thank You

Pearl S 3 years, 3 months ago

False

4Thank You

Tanya Mehta 3 years, 3 months ago

1Thank You

ANSWER

sir what is EMF and SUPER CONDUCTOR in electricty chapter class 10???

Posted by Madhav Mullick 3 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Jagdish Shukla 3 years, 3 months ago

EMF (Elector motive force)

0Thank You

Bal Ganesha 3 years, 3 months ago

Sorry, Please note that in 3rd line that's not curse actually that is cause . Thank you

2Thank You

Bal Ganesha 3 years, 3 months ago

EMF ( Electro motive force ) • It is the maximum potential difference between two terminals of a battery . • It is a curse . When EMF is applied , the current flows in the circuit . • It is a work done by source in taking a unit charge once around the complete circuit .

2Thank You

ANSWER

Nacl Hcl H2O

Posted by Jagdish Shukla 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Jagdish Shukla 3 years, 2 months ago

Xxx

0Thank You

Jagdish Shukla 3 years, 3 months ago

Happy new year friends

1Thank You

Karan Mehra 3 years, 3 months ago

Sodium chloride. Hydrogen chloride. Water

1Thank You

Jagdish Shukla 3 years, 3 months ago

Hii

4Thank You

ANSWER

What is a championship

Posted by Jagdish Shukla 3 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

How does CO2 from the air enter the leaves of a plant to be used in photosynthesis?

Posted by Sameeksha Dangi 3 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Ritik Yadav 3 years, 3 months ago

CO2 enter the leaves by stomata

1Thank You

Mmm .... 3 years, 3 months ago

CO2 enter from air into the leaves through stomata

1Thank You

Vinay Jain 3 years, 3 months ago

By stomata

2Thank You

ANSWER

What is mean by coordination

Posted by Tanish Wagh 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Krish Jaat 3 years, 3 months ago

The organisation work in a regular manner to his best

0Thank You

ANSWER

Which is the longest cell in human body

Posted by Baaacha Baacha 3 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Arif Parray 3 years, 3 months ago

Neron

1Thank You

Kaver Mokashi 3 years, 3 months ago

Neuron

0Thank You

Krish Jaat 3 years, 3 months ago

Neron is the biggest cell in our body

0Thank You

Pearl S 3 years, 3 months ago

Neuron

0Thank You

Raunak Kumar 3 years, 3 months ago

The longest cell in the human body is the 'neuron' with a length of 90cm-100cm, linking the central nervous system (brain and spinal cord) to other parts of the body.

2Thank You

ANSWER

How many hair on our body?

Posted by Aashish Singh 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Vinay Jain 3 years, 3 months ago

Depends upon person

0Thank You

Bhumi Gothwal 3 years, 3 months ago

Uncountable

0Thank You

Raunak Kumar 3 years, 3 months ago

Nobody knows.

4Thank You

Baaacha Baacha 3 years, 3 months ago

Uncountable

3Thank You

ANSWER

On which plant mendel work ? Why he choose only that plant

Posted by Aadivya Mathur 3 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Aryan Kumar 3 years, 3 months ago

Pea plant ( pisum sativum) because it is easily available. And grow

0Thank You

Baaacha Baacha 3 years, 3 months ago

Pea plant as because its contrasting characters

1Thank You

Pearl S 3 years, 3 months ago

Because he found a contrasting characteristics on pea plant

0Thank You

Aadivya Mathur 3 years, 3 months ago

But why he chose that plant

1Thank You

Aadivya Mathur 3 years, 3 months ago

Pea plant 🌿

2Thank You

ANSWER

What is net power?

Posted by Ankit Class 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Harsh Patil 3 years, 3 months ago

2Thank You

ANSWER

Bhai kis kis ke school me pre board start ho gya h

Posted by Shubham Keshari 3 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Arnold Richard 3 years, 3 months ago

Bro Jan 2 se first pre board hai humara

0Thank You

Raunak Kumar 3 years, 3 months ago

Khatam bro😁 from delhi

0Thank You

Pearl S 3 years, 3 months ago

Khatam.....

0Thank You

Prince Bajetha 3 years, 3 months ago

Bro mere hone wale h

0Thank You

Kunal Sharma 3 years, 3 months ago

Ha Bhai

0Thank You

ANSWER

Make a binary fission in amoeba and budding is yeast and hydra with the help of diagram

Posted by Cn.Nabish _Jn 3 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Preeti Dabral 3 years, 3 months ago

3Thank You

ANSWER

What is resistant?

Posted by Aditya Kumar 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Krish Jaat 3 years, 3 months ago

Which can oppose the current flow

0Thank You

Shreyansh Gupta 3 years, 3 months ago

Resistant is the power of a device called resistance which is used to oppose the flow of electricity or to low the speed of current flowing through the particular conductor

0Thank You

Aanya Sharma 3 years, 3 months ago

Resistance is a optsrical in the electric circuit. Resistance is measured in ohms.

0Thank You

Ⓚⓐⓥⓨⓐ 🦋 3 years, 3 months ago

❥Ꭺɴꮪꮃꭼꭱ࿐ Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω).

1Thank You

ANSWER

Science ka sample paper

Posted by Preeti Maravi 3 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Rupali Shukla 3 years, 2 months ago

You can purchase educart or oswal company because these are the best book for practice in market

0Thank You

Bhumi Bisht 3 years, 3 months ago

Bhai search on google or on sample papers book

0Thank You

Krish Jaat 3 years, 3 months ago

On CBSE guide

0Thank You

Xyz Xyz 3 years, 3 months ago

A gya ha

4Thank You

ANSWER

Left hand thumb rule

Posted by Rehan Rahim 3 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Rajat Negi 3 years, 3 months ago

There is no thing as left hand thumb rule. Maxwell's right hand thumb rule states if we hold a conductor in our hand and keep the direction of the thumb in the direction of the current then the direction of our curved finger will point towards the direction of the magnetic field lines. If the current flows upward then the magnetic field line flows anti-clockwise and if the current flows downwards the the magnetic field lines flows clockwise.

0Thank You

Harjit Singh 3 years, 3 months ago

Fleming

1Thank You

ANSWER