What is meant by fossil?
Fossils are the preserved remains, or traces of remains, of ancient organisms. Bones, shells, feathers, and leaves can all become... View Article
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If the polynomial ax3 +bx2 – c is divisible by x2 + bx +c then ab =?
Answer: If f(x) is divisible by g(x), then the remainder of a long division would equal zero. The remainder after... View Article
Pooja has to work in the laboratory. What kind of clothes should she wear? Give the reason for your answer.
Synthetic fibres melt on heating. If they catch fire, they melt and stick to the body of the person wearing... View Article
What is cobalt?
A Silver-white magnetic metal, with the chemical symbol ‘Co’ and an atomic number of 27 is Cobalt. Cobalt is primarily... View Article
Expand the term ADP
ADP stands for adenosine diphosphate, and it’s not only one of the most important molecules in the body, but it’s... View Article
Why is Displacement = Avg. Velocity x Time, only when velocity is constant?
When a particle is moving with constant velocity then its magnitude and direction both are not changing means particle must... View Article
How are the bonds and electrons changed in the negative resonance structure of nitrobenzene?
Resonance structure is an alternating method or way of drawing a Lewis dot structure for a compound. Add image
Why should our diet contain sufficient fibres in it?
Fibre helps to eliminate stools and toxins from your body which means your colon is working efficiently. If you are... View Article
What is the law of Conservation of momentum?
The law of conservation of momentum states as For a collision occurring between object 1 and object 2 in an... View Article
How many chambers does the heart have?
The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and... View Article
Why are the reflex actions controlled by the spinal cord and not the brain?
A reflex action often involves a very simple nervous pathway called a reflex arc. A reflex arc starts off with... View Article
What is the working of ear?
Sound is transmitted as sound waves from the environment. The sound waves are gathered by the outer ear and sent... View Article
Find the coordinates of the point equidistant from point A(1, 2), B(3, -4)and C(5, -6).
Answer: The distance formula is the formula, which is used to find the distance between any two points, only if... View Article
What are protozoa?
Protozoa are small (but not simple) organisms. They are single-celled heterotrophic eukaryotes, which eat bacteria and other food sources. Protozoa... View Article
What is Newton’s law?
Newton’s three laws of motion may be stated as follows: Every object in a state of uniform motion will remain... View Article
dividing polynomial x4-9×2+9 by x2-3x, the quotient and the remainder are
On, Dividing p(x) = x⁴ – 9x² + 9 by g(x) = x² – 3x We get q(x) = x²... View Article
Find the value of k such that the polynomial x²-(k+6) X+2(2k-1) has sum of its zeroes equal to half of their product
Answer: The standard form of a quadratic equation is ax2+bx+c=0, Where a,b and c are real numbers and a≠0. a... View Article
Four angles of a polygon are 100° each. The remaining angles are 160° each. Find the number of sides of the polygon.
Let n be the number of sides: Sum of all interior angles of a polygon = (n – 2) 180o... View Article
Mention one example of biotic resources.
What are biotic factors? Biotic factors are the living components of an ecosystem and are sorted into three groups: producers... View Article
How to measure the conductance?
The conductance of a solution is a measure of the ability of that solution to carry a current. The transfer... View Article
