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    • Posted by Sagar Admane 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Dilip Kumar 7 years, 2 months ago

    Bro there is no trick to remember all function of animalia. You have to read carefully and understanding function of animalia in hindi. Read carefully many time.

    1Thank You

    ANSWER

    • Posted by Shivam Pandey 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Manisha Malpani 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Anurag Dhuriya 7 years, 2 months ago

    By composite fish culture we can earn more money with less spending

    1Thank You

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    • Posted by Aarav Tanwar 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Satyam Kumar 7 years, 2 months ago

    Another drawback is he could not able to define the position of electron in extra nucleur portion

    0Thank You

    Shivam Pandey 7 years, 2 months ago

    Major drawback of rutherford model of atom that he did not explain the stability of the atom

    0Thank You

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    • Posted by Khaitan Patil 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Gaurav Seth 7 years, 2 months ago

    <th>BASIS FOR COMPARISON</th> <th>ACUTE DISEASE</th> <th>CHRONIC DISEASE</th>
    Meaning Such disease which occurs suddenly and last for a short period is called as acute disease. Such disease which shows it's prolonged effects on human health. The condition is said to be chronic when the disease lasts for more than three months. Such disease can be life-threatening and majorly affect the immune system of the body and thus declines the health.
    It Appears Suddenly. Gradually.
    Time Span It lasts for a short time, usually few days to the week. It lasts for longer or lifetime also.
    Effects They do not cause long term or ill effects on human. They may cause severe long term effects on human health, which may be life-threatening too.
    Examples Cold, burn, breaking of bone, typhoid, jaundice, cholera, burn, strep throat, etc. Diabetes, arthritis, cancer, tuberculosis, heart disease, asthma attack, osteoporosis, etc.

    1Thank You

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    • Posted by Ashish Kumar 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    David ......... 7 years, 2 months ago

    Study of living cells is called cell biology

    2Thank You

    ANSWER

    • Posted by Mahi Malani 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Priyanshu Belwal 7 years, 2 months ago

    1.REPTILIA 2.AVES 3.AMPHIBIA 4.MAMMALIA 5.PISCES

    4Thank You

    ANSWER

    • Posted by Ankit Rao 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Bhargav G 7 years, 2 months ago

    The Propagation of sound. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.

    1Thank You

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    • Posted by Alokik Mahajan 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Shivam Pandey 7 years, 2 months ago

    The upward force exerted by liquid on the body which is submerged in it is called bount force. This property is called bouncy

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    • Posted by Sandhya Singh 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Shivam Pandey 7 years, 2 months ago

    We know that on heating kinetic energy of particles in air increases and on cooling kinetic energy of particle decreases so that is temprature is also responsible for increase and decrease of sound wave

    1Thank You

    Sagar Rawat 7 years, 2 months ago

    Because when temperature increase particles of air charged more than before and decrease in low temperature

    1Thank You

    ANSWER

    • Posted by Aniket Tipre 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Shailendra Pandey 7 years, 2 months ago

    The energy of a body due to its motion is called a potential energy

    1Thank You

    Akanksha Kumari? 7 years, 2 months ago

    Potential energy refers to the energy possessed by an object which is not in motion. Different types of potential energy are: 1.Elastic potential energy 2.Gravitational potential energy

    1Thank You

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    • Posted by Megha Vats 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Tanu Meena 7 years, 2 months ago

    It provide strength , rigidity and support to the plants

    0Thank You

    Akanksha Kumari? 7 years, 2 months ago

    Functions of Sclerenchyma are as follows: 1. It provides mechanical and protection support to the plants. 2.It gives strength, rigidity, flexibility and elasticity to the plant body. 3.It enables the plant to withstand various strains.

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    • Posted by Akanksha Pandey 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Akanksha Kumari? 7 years, 2 months ago

    Did you mean nomenclature?

    0Thank You

    ANSWER

    • Posted by Dipankar Dutta 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Tanu Meena 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Nisha Soni 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Ramhet Ahirwar 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Kush Saini 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Yashank Kumar 7 years, 2 months ago

    f is directly proportional to 1/d^2.......1 F is directly proportional to Mm... ..2 From 1and 2 F is directly proportional to Mm/d^2 Directly proportional change =g Earth mass 6*10power24. (M) Earth radius 6.4*10power6. (d^2) G=6.673*10power-11 g=GMm/d^2 g=6.7*10power-11*6*10power24/(6.4*10power6)^2 g=9.8

    1Thank You

    Yogita Ingle 7 years, 2 months ago

    As per Newton's law, Force = mass × acceleration = m×a .....................(1)
    where m is mass and a is acceleration
    Gravitational force acting on a mass m on earth's surface = G (m×M)/R2 = m × GM/R2  ..........................(2)
    where G is Gravitational force constant, M is mass of earth and R is radius of earth
    By comparing (1) and (2), acceleration due to gravity = a = (G×M)/R2

    1Thank You

    ANSWER

    • Posted by Itika Singhal 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Sarika Kapur 7 years, 2 months ago

    cytoplasm

    0Thank You

    Garima Mittal 7 years, 2 months ago

    Nucleus

    0Thank You

    Yogita Ingle 7 years, 2 months ago

    A nucleus is often the largest organelle in a plant cell. It is enclosed by a double membrane called the nuclear envelope.
    A phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment.

    3Thank You

    Molik Agarwal 7 years, 2 months ago

    Nucleus

    2Thank You

    ANSWER

    • Posted by Anish Jaiswal 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Sarika Kapur 7 years, 2 months ago

    When 1N of force is applied and then 1m of displacement occurs in the same direction of the force is applied then it is called as 1 Joules of work done occurs

    0Thank You

    Bhumika Jindal 7 years, 2 months ago

    Work done means when a applied force do some displacement

    1Thank You

    Itika Singhal 7 years, 2 months ago

    Work of an object is said to be done if a force is applied on it and the object is displaced. Work done = force × displacement

    0Thank You

    Yogita Ingle 7 years, 2 months ago

    Work done by a body is against the applied force if the displacement is in a direction opposite to the force. In the case of gravity, if a body is lifted above the ground, work is done against gravity. 
    All bodies with mass are attracted towards the earth by gravity, so when a body is lifted one has to do work to raise it. 
    Work done against gravity = Force x Displacement = Weight x Height = mgh = gravitational potential energy stored in the body.

    3Thank You

    ANSWER

    • Posted by Muskan Rai 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Sarika Kapur 7 years, 2 months ago

    We can separate both of these material with the help of magnet because iron has the property by which it is attracted by the magnet

    0Thank You

    ANSWER

    • Posted by Jayant Sinha 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Yogita Ingle 7 years, 2 months ago

    Kinetic energy of a body depends upon:
    (i) K.E. of a body is directly proportional to its mass.
     K.E. ∝ m.
    (ii) K.E. of a body is directly proportional to the square of its velocity.
     K.E. ∝ v

    0Thank You

    C P 7 years, 2 months ago

    Mass and velocity

    1Thank You

    ANSWER

    • Posted by Krishna Vishwakarma 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Bhargav G 7 years, 2 months ago

    Lysosomes are called suidal bags of cell because when cell get damaged it go for repairing it if it can't repair it will burst and the powerful digestive enzyme digest their own cell

    0Thank You

    Tanu Meena 7 years, 2 months ago

    Simply lysosomes have special digesting enzymes which digest thier own cell when the cell get damaged therefore they're called suicidal bags

    1Thank You

    Yogita Ingle 7 years, 2 months ago

    Lysosomes are cellular organelles that contain digestive enzymes that break down waste materials, foreign material and cellular debris. Lysosomes are capable of digesting nucleic acid, polysaccharides, fats, and proteins. Along with them lysosomes also digest or damage its own cells by its own enzymes, which lead to cell death. This process is called as autolysis. Hence lysosomes are also called as suicide bags

    1Thank You

    Aishwarya Nagrani 7 years, 2 months ago

    The realize enzymes then digest there own cell dies hence lysosomes are called suidicdal bag

    1Thank You

    ANSWER

    • Posted by Himanshi Upadhyay 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Khushi Boora 7 years, 2 months ago

    Manure provide humus to the soil which helps in increasing water holding capacity of soil.

    2Thank You

    Bhumika Jindal 7 years, 2 months ago

    Manure and organic matter provide nutrients to yhe soil which increase its fertility

    1Thank You

    Akanksha Kumari? 7 years, 2 months ago

    It helps in increasing the soil fertility and provide nutrients to crops.

    1Thank You

    Umesh Varma 7 years, 2 months ago

    Manure are very fertile and it is very use ful for agriculture work

    1Thank You

    ANSWER

    • Posted by Itika Singhal 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Khushi Boora 7 years, 2 months ago

    Weight as gravity acts on it. Mass is measured by beam balance.

    1Thank You

    Aishwarya Nagrani 7 years, 2 months ago

    Weighing machiene show kg or pound so that people understant best but it is really just an estimate the mass above them scale show newton but that might consufed people .so the scale estimate of your mass based on the force your body exert on it

    2Thank You

    ANSWER

    • Posted by Mohd Ali 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Jatin Chauhan 7 years, 2 months ago

    We know that, weight is the FORCE with which a body is attracted by the earth . Also, force = mass × acceleration Here, force = mass × acceleration due to gravity , that is g So , weight (force) = m×g Weight = 5 × 10 Weight = 50 N

    2Thank You

    ANSWER

    • Posted by Mohd Ali 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Khushi Boora 7 years, 2 months ago

    Usually weight is greater than mass but in some exceptions like in centre of earth weight is zero and doesn't become zero.

    1Thank You

    Sarika Kapur 7 years, 2 months ago

    Weight is greater because we get our weight by multiplying the acceleration due to gravity in our mass Hence, weight is calculated in Newton whereas mass is calculated in kg

    0Thank You

    Bhumika Jindal 7 years, 2 months ago

    Weight =mass× gravity So mass will greater

    1Thank You

    Umesh Varma 7 years, 2 months ago

    Mass is not greatwr than weight

    0Thank You

    ANSWER

    • Posted by Loga Nayagi 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Tanu Meena 7 years, 2 months ago

    Party candidates get party tickets to fight in elections

    1Thank You

    ANSWER

    • Posted by Pinki Chaudhary 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Mohd Ali 7 years, 2 months ago

    Because snake and turtle fall in the category of reptille

    1Thank You

    Pinki Chaudhary 7 years, 2 months ago

    It is snake and turtle

    1Thank You

    ANSWER

    • Posted by Abhishek Kumar 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Meghna Thapar 6 years, 1 month ago

    • Potential Energy of An Object At A Height:

    Suppose a body of mass m is raised to a height h above the surface of the earth. The force acting on the body is the gravitational pull of the earth m x g which acts in the downward direction. To lift a body above the surface of the earth, we have to do work against this force of gravity.

    Work done = Force x Distance

    So, W = m x g x h

    This work gets stored up in the body as potential energy.

    Thus, potential energy = m x g x h

    Where m is the mass of the body, g is acceleration due to gravity; h is the height of the body above the reference point.

    0Thank You

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