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Yogita Ingle 5 years, 3 months ago

During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

Auro Prakash 5 years, 3 months ago

It is necessary for a human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system more efficient and helps in maintaining constant body temperature.

3Thank You

ANSWER

Respiration in plant

Posted by Risha Singh 5 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Risha Singh 5 years, 3 months ago

diffusion

Risha Singh 5 years, 3 months ago

Respiration in plant by the three steps........ Root _ root respiration by the diglfdusion. Stem _ stem respiration woody plants respiration by the lenticles and green stem respiration by the stomata. Leaves _ Respiration by the stomata.

Risha Singh 5 years, 3 months ago

What is ATP and ADP function

Yogita Ingle 5 years, 3 months ago

Plants have a branching shape, so they have quite a large surface area in comparison to their volume. Therefore, diffusion alone can supply all the cells of the plants with as much oxygen as they need for respiration.
Diffusion occurs in the rots, stems and leaves of plants.
Respiration in Roots:
Air occurs in soil interspaces. Root hairs of the roots are in direct contact with them.
Oxygen of the soil air diffuses through root hair and reaches all internal cells of the root for respiration.
Carbon dioxide produced by root cells diffuses in the opposite direction.
In water-logged conditions, soil air becomes deficient. In the absence of oxygen, metabolic activity of the root declines and the plant may wither.
Respiration in Stems:
The stems of herbaceous plants have stomata. The oxygen from air diffuses into the stem of a herbaceous plant through stomata and reaches all the cells for respiration.
The carbon dioxide gas produced during respiration diffuses out into the air through the same stomata.
In woody stems, the bark has lenticels for gaseous exchange.
Respiration in Leaves:
The leaves of a plant have tiny pores called stomata. The exchange of respiratory gases in the leaves takes place by the process of diffusion through stomata.

Auro Prakash 5 years, 3 months ago

The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. ...Respiration takes place in the mitochondria of the cell in the presence of oxygen, which is called "aerobic respiration

ANSWER

Main points to remember for the lesson reflection of light at curved surface

Posted by Esther Josna 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Auro Prakash 5 years, 3 months ago

(a) Angle of incidence is equal to the angle of reflection . (b) The incident ray, the reflected ray and the normal all lie in the same plane. Curved mirrors are classified as spherical mirrors or parabolic mirrors depending upon thecurvature of the mirror.

ANSWER

How to balance equation. tell me your answer.

Posted by Shubham Saxena ???? 5 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Shubham Saxena ???? 5 years, 3 months ago

I don't know your problem. But I can say that ( if in question,, if you have 5 answer so you can't send another answer in that question . Ok

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

Can somebody help me I'm not able to write my question here? I don't know what happened but some error has occurred. Please tell me how to resolve it? ??

Shubham Saxena ???? 5 years, 3 months ago

Ok thanks . For answering.

Divya Mishra 5 years, 3 months ago

When mass is equal to the side RHS and LHS

Manish Kaushik 5 years, 3 months ago

When the mass ie equal in both side RHS and LHS

ANSWER

Graphite and diamond are made from carbon but diamond is shining and graphite is dull ? Why?

Posted by Adarsh Tiwari 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Shubham Saxena ???? 5 years, 3 months ago

But the carbon atoms present in diamonds are structured in crystalline form & are bonded in a stronger tetrahedron pattern making it the hardest mineral of all, whereas the atomic structure of graphite are griped in an amorphous form. ... So the crystal lattice turns shiny. Thank you.

ANSWER

I know all the answers of my questions but can you explain this??

Posted by Shubham Saxena ???? 5 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Shubham Saxena ???? 5 years, 3 months ago

Are mene jo question iss question ke niche likhe hai vo question mujhe aate hai lekin me aap sabse puch raha hu . Ok

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

which question?? ?

Gaurav Pandey 5 years, 3 months ago

Shubham Saxena ???? 5 years, 3 months ago

What ??

Sanjay Sanjay 5 years, 3 months ago

Jsf

ANSWER

How to balance equation ??. This is important please tell me .

Posted by Shubham Saxena ???? 5 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

@Shubham Saxena my problem is that whenever I am writing a question on this site my question gets automatically removed. It is not allowing me to ask questions. I can just answer someone's else question. I don't know why it's happening. ?

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

welcome it's my pleasure? ??

Shubham Saxena ???? 5 years, 3 months ago

Thank you for answering . Welldone.

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

Identify each element found in the equation. The number of atoms of each type of atom must be the same on each side of the equation once it has been balanced. If possible, start with an element found in one compound on each side of the equation. Change the coefficients (the numbers in front of the compound or molecule) so that the number of atoms of the element is the same on each side of the equation. Remember, to balance an equation, you change the coefficients, not the subscripts in the formulas. Once you have balanced one element, do the same thing with another element. Proceed until all elements have been balanced. It's easiest to leave elements found in pure form for last. Check your work to make certain the charge on both sides of the equation is also balanced.

Aryan Verma 5 years, 3 months ago

An equal number of atom in each reactant and pruduct this is called balance equation

ANSWER

Please tell me about Trigonometry chapter 9 . I know but tell me without rhyme.

Posted by Shubham Saxena ???? 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Shubham Saxena ???? 5 years, 3 months ago

Who are you. And this app is only for asking questions and solving other students doubt and questions. Ok

Yashsvee Kumar 5 years, 3 months ago

Hllo

ANSWER

Can i have the pictures of all the map in chapter 5 of geography urgently please help me out

Posted by Tanisha Chhikara 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Manish Kaushik 5 years, 3 months ago

And you wouldn't purchase the exammate Contect me MANISH KAUSHIK IN FB I'd is Manish pandat Ok

Manish Kaushik 5 years, 3 months ago

Purchase the exam mate 2021 It is very best book ? for exam It includes all the important maps chapter wise

Yashsvee Kumar 5 years, 3 months ago

Okk just I will solve this

ANSWER

Balanced equation

Posted by Venkateshwar Reddy 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Sampoorna Pati 5 years, 3 months ago

When mass is equal to the reactant side(RHS) as well as product side (LHS) it is balanced equation. It is based on the law of conservation of mass where mass can neither be created nor be destroyed.

Auro Prakash 5 years, 3 months ago

A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side

ANSWER

Why and how does water enter continuously into the root system

Posted by Om Om 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 3 months ago

Cells of the root are in close contact with soil and actively take up ions. The ion concentration increases inside the root and hence, osmotic pressure increases the movement of water from the soil into the root, which occurs continuously.

ANSWER

Q.1 Explain excretion in plants ???

Posted by Pranshul Solanki 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Pranshul Solanki 5 years ago

O Khushi ya googel sa bhej diya boh bhi humans ka... ??

Khushi Jain 5 years, 3 months ago

Sorry I have sent excretion in humans ?

Khushi Jain 5 years, 3 months ago

The process of the removal of the harmful metabolic wastes from the body is called excretion. Excretory system of human beings includes : A pair of kidneyA Urinary BladderA pair of UreterA UretheraProcess of Excretion Renal artery bring in blood containing waste substances to the kidneys. Kidney filters blood. Urine produced in the kidneys passes through the ureters into the urinary bladder where it is stored until it is released through the urethera.Function of Kidney : It is remove waste product from the blood i.e., urea which is produced in the liver.Nephron : Each kidney has a large number of filtration units called nephrons. Nephron is the structural and functional unit of Kidney. Mechanism of Urine Formation : The Urine formation involves three steps:Glomerular Filtration : Blood is filtered from the glomerulus into Bowman Capsule of the nephron. This filtrate passes through the tubules of the nephron.Tubular re-absorption : Now, useful substances from the filtrate Like , glucose, amino acids etc. are reabsorbed by the capillaries surrounding the nephron into the blood.Secretion : Urea, extra water and salts are secreted into the tubule which open up into the collecting duct & then into the ureter.Haemodialysis: The process of purifying blood by an artificial kidney. It is meant for Kidney failure patient.

ANSWER

A convex mirror of focal length f produce images 1/n time of the side of the object. The distance of the object from the mirror is

Posted by Gagandeep Singh 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yash Khedkar 5 years, 3 months ago

focal length = f magnification = 1/n now let object was placed at a distance u = x now we know that m = |v/u| => v = x/n Applying mirror formula 1/u+1/v = 1/f plugging the values of u,v and f we get -1/x + n/x = 1/f n-1/x = 1/f x = f(n-1) thus the object was placed at f(n-1) distance

ANSWER

A virtual,erect,magnified image of an object is to be formed with the concave mirror of focal length 20cm. Which of the following suitable object distance from the mirror. A. 10cm B. 20cm C. 30cm Please give correct answer with explaination.

Posted by Saurav Kumar Tiwari 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Bharat Supreme Yadav 5 years, 3 months ago

What is Reflected

ANSWER

What are outside raw material used for by an organism

Posted by Md Asif Raza 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Sheetal Barik 5 years, 3 months ago

Food as source of energy Water for proper digestion Oxygen for breakdown of food to obtain energy.

Sreehari Satheesh 5 years, 3 months ago

Food,water and oxygen for a human being It varies from the complexity of an organism

Yogita Ingle 5 years, 3 months ago

All living entities require energy to sustain and maintain life. Plants and animals slightly differ in their raw material intake for survival.

The raw materials required by an organism will vary depending on the complexity of the organism and its environment.
All animals take in food, water and oxygen as raw material from the outside
As for plants, they take in carbon dioxide, water and sunlight to synthesize their own food in the presence of chlorophyll(found in green plants).

Various outside raw materials used by an organism are as follows:

a. Food as source of energy.
b. Oxygen for the breakdown of food to obtain energy.
c. Water for proper digestion of food and other functions inside the body.

ANSWER

What do you mean by sexual relationship.

Posted by Akash Singh 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Malaika Sharma 5 years, 3 months ago

Pls don't ask such ques.

ANSWER

Plz muje tym table bnane me help kro ta k october k end tk mra syllabus ho jye

Posted by Khush Kaur 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Guddy Kirola 5 years, 3 months ago

Some subjects are easy so u can easily learn them in 4or5 days like English and Hindi and computer so firstly do them .....then others

Krish Modi 5 years, 3 months ago

So jaaa

3Thank You

ANSWER

What is the most important criterion to decide whether something is alive ?

Posted by Vinod Gupta Vinod Gupta 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Guddy Kirola 5 years, 3 months ago

Movement

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

The most important criteria to decide that something is alive is the movement.

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

The criteria we use to decide whether something is alive or not are:- ♤ Whether there is a movement ♤ Respiration ♤ Respond to stimuli ♤ Exhibits growth & development ♤ It remove its metabolic wastes

ANSWER

A circular coil of area 1.5m^2 is placed normal to a uniform magnetic field of induction 2Wb m^2.The field is increased uniformly to 4Wb m^2 in 20sec. Calculate the induced emf. Please try to answer this question quickly.

Posted by Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Explain the procedure of oesterds experiment

Posted by Juned Alam 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 2 months ago

In 1820, Hans Christian Oersted performed an important experiment which showed that there was a connection between electricity and magnetism. When a current was switched on through a wire, it made a compass needle turn so that it was at right angles to the wire. Oersted's experiment was of fundamental importance to the development of physics in making the link between electrical and magnetic effects. The aim of this activity is to demonstrate what was involved in Oersted's discovery of electromagnetism.

ANSWER

Importance of DNA coping

Posted by Trina Baruah 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Trina Baruah 5 years, 3 months ago

The genetic information from generation to generation carried BY DNA THE Organism produce of its own organism due DNA

ANSWER

Chemical names

Posted by Shivam Gupta 5 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4

Posted by Aniket Take 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Akash Singh 5 years, 3 months ago

Hydrogen gas is released during this reaction and when iron react with sulphuric acid it form feso4 along with hydrogen gas.

Shruti Janghu 5 years, 3 months ago

H2 gas is evolved. Fe + H2SO4 = FeSO4 + H2

Shivam Singh 5 years, 3 months ago

H2O

ANSWER

A concave mirror produces a real image of size 3 times that of the object at a distance of 30 cm from the pole pile of mirror. Find the position of the object

Posted by Sanjana R 5 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

An electric lamp is marked 25w, 220v. It is used for 10 hours daily. Calculate; i) it's resistance while glowing. ii) energy consumed per day. iii) cost of using it at the rate of Rs 5 for 30 days

Posted by Swetha .S 5 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Reaction of magnesium sulphate and clorine then form

Posted by Sam_ Verma 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Shivam Singh 5 years, 3 months ago

Mgso4+cl------->mgcl2 +so4

Sahil Kumar 5 years, 3 months ago

MgSO4 + Cl-------->MgCl2 + SO4

Harini 10-A3 5 years, 3 months ago

Magnessium chloride and sulfur(SO4)

ANSWER

What is the oxidation of fooď

Posted by Partik Dagar 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Anish Gupta 5 years, 3 months ago

Oxidation, a chain reaction that occurs in the presence of oxygen, is responsible for the deterioration in the quality of food products, including off-flavors and off-odors. It is affected by processing, packaging and storing methods, as well as product ingredients.

Yashneet Kaur 5 years, 3 months ago

ANSWER

The breakdown of pyruvate to give carbon dioxide water and energy takes place in

Posted by Adeshpreet Singh Bumrah 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Rohit Das 5 years, 3 months ago

It happens in ' mitochondria '.

Aparna Salini Shiburaj 5 years, 3 months ago

Mitochondria

ANSWER

define isobars

Posted by Aayush Saxena 5 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Yashneet Kaur 5 years, 3 months ago

a line on a weather map that joins places that have the same air pressure at a particular time

Account Deleted 5 years, 3 months ago

according to meterology , a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period Acoording to chemistry ,each of two or more isotopes of different elements, with the same atomic weight.