Why should soil be turned?
The process of loosening and turning the soil is called ploughing (tilling). Before sowing the seeds, it is necessary to... View Article
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The food synthesized by the plant is stored as__________?
The food synthesized by the plant is stored as starch. Explanation Starch is the food that gets stored in plant... View Article
Explain preparation of soil
Preparation of the soil is the first step before the growing of the crop. It helps to turn the soil... View Article
What is Hypertonic solution?
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a... View Article
Write a short note on vascular bundle
A vascular bundle is a part of the transport system in vascular plants which is comprised of two tissues: xylem... View Article
Calculate the number of charges to make one coulomb
We know that the charge on an electron is negative and it is -1.6⨯10-19 coulomb. We need to calculate the... View Article
Explain melting and freezing according to states of matter.
A change of state is a physical change in a matter. They are reversible changes and do not involve any... View Article
What are the physical states of matter?
Anything that has mass and occupies space is called matter. A matter is made up of tiny particles. These particles... View Article
If x + 1/x = 5, find the value of x2 + 1/x2
Given : ( x + 1 /x ) = 5 We need to find x2 + 1 / x2 ( x... View Article
Write a short note on static electricity.
Static electricity can be defined as the imbalance of electric charges on the surface of a metal or an object.... View Article
Why does the charge to mass ratio of anode rays depend on the gas from which it originates?
Anode rays are produced in the discharged tubeon applying a high electrical voltage to the gas which is present in... View Article
Explain how alcohols react with phosphorus trihalides
Alcohols reactions with phosphorus trihalides. (i) Alcohols react with liquid called phosphorus trichloride to make chloroalkanes. The reaction is given... View Article
Sides AB and BC and Median AD of a triangle ABC are proportional to sides PQ AND PR and median PM of triangle PQR. Prove triangle ABC~ triangle PQR .
Given Two triangles. ΔABC and ΔPQR in which AB, BC and median AD of ΔABC are proportional to sides PQ,... View Article
Prove root 5 is an irrational number
Given:√5 We need to prove that√5 is irrational Proof: Let us assume that √5 is a rational number. Sp it... View Article
What is mylien sheath?
A protective covering that surrounds fibers called axons is called Myelin sheaths. Myelin sheaths are sleeves or covering of fatty... View Article
What is auxiliary motion?
To understand auxiliary motion we need to first learn about weaving. Weaving is the process of producing fabric by interlacing... View Article
How stomatal action contribute to regulation of plants temperature ?
Stomata are the minute openings or tiny pores,presentin the epidermis of leaves. Stomata plays an important role by permitting theexchangeof... View Article
Define locomotion
Locomotion is defined as the act of exhibiting various motions such as running, walking, jumping, crawling, swimming, etc by the... View Article
What is avagadro number?
The number of particles present in one mole of any substance is a fixed value of 6.022 x 1023. This... View Article
It is said that real image is inverted,also it is said that image formed by cinema hall is real image. Why are we not able see image inverted In a cinema hall?
The light from the reel is focussed on a lens that forms a real inverted image and this light is... View Article
