The vomiting centre is in the fourth ventricle called chemoreceptor trigger zone.It is present in medulla oblungata of brain. Vomiting is believed to be controlled by two distinct brain centres—the vomiting centre and the chemoreceptor .....

The vasomotor center (VMC) is a portion of the medulla oblongata that, together with the cardiovascularcenter and respiratory center, regulates blood pressure and other homeostatic .....

The cardiovascular centre is a part of the human brain responsible for the regulation of the rate at which the heart beats through the nervous and exocrine systems. It is found in the medulla .....

Homeostasis, in a general sense, refers to stability, balance, or equilibrium. Physiologically, it is the body’s attempt to maintain a constant and balanced internal environment, which requires persistent monitoring and adjustments as .....

Solution : MP = Rs.400 d = Rs.80 SP = MP - d = 400 - 80 = Rs. 320 VAT % = 13 % VAT amount = VAT% of MP = 13% of 320 = (13/100) * 320 = Rs . .....

Fossil fuels are formed due to dead and decayed plants and animals. This plants and animals get buried under the earth's surface in the absence of oxygen for millions of years. And hence fossil fuels are formed. But those plants have prepared .....

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Upthrust is the force that pushes an object up and makes it seem to lose weight in a gass or liquid. Resultant force  is a force equal to the sum of all forces applied to an object which lose .....

We breath, move and there is no absolute rest is our body so body can't be in absolute .....

Africa is a continent of mixed races with more than 800 black races plus white European immigrants. Literally, divided into equal halves by equator the continent normally has a hot and humid climate. North African are mostly Muslims while the .....

Born on August 1775, Gorkha District, Bhimsen Thapa was the Mukhtiyar and de facto ruler of Nepal from 1806 to 1837. He was the son of Amar Singh Thapa. He rose to power after helping the exiled ex-King Rana Bahadur Shah engineer his return to power .....

The set "A" is the Domain,

• The set "B" is the Codomain,

• And the set of elements that get pointed to in B (the actual values produced by the function) are the Range, also called the .....

Triangle is a geometrical shape or a polygon having three sides and three .....

Importance of water vapour are as follows :- Water vapour is a greenhouse gas. Rain would not exist without water vapour.  The sky would be blue with no clouds at all if it weren’t for water vapour. That means it would always be .....

Definitely, Nepal is a beautiful garden in the sense that there are people of different caste, religion, culture and language. According to the census report 2068, people of 125 castes live in Nepal. People belonging to a different culture, .....

Because the moon has less mass than Earth, the force due to gravity at the lunar surface is only about 1/6 of that on Earth. (ie. 9.8/1.6 = 6) If a man can jump $.....$

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good! keep it .....

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Having  equal number of protons and electrons can make a element .....

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The exosphere is a thin air on earth . It is made up mostly of helium, and hydrogen.  The upper level of the exosphere is the farthest point from earth  and there is .....

I behave with my seniors  By speaking politely and helping them. By treating them respectfully. Helping in the works.  Obeying their .....

Two equal and oppositely directed forces acting on an object will be in equilibrium on following condition:- When they are balanced by a third force When their moments about the same point are equal  Only if they Act on the same point on .....

Obviously. They like the way I do work and help them in need.  They always appreciate what I am doing and encourage me to move with good works..  I have never hurt them with bad deeds.  What about .....

Any five good behaviours I do in-home are  I speak politely with my family members.  Help mother in works.  Do my work on time. I don't speak rough words.  I respect seniors and love .....

Globalisation is the process by which the world is becoming increasingly interconnected as a result of massively increased trade and cultural exchange. Globalisation has increased the production of goods and services. Localisation is the process .....

Topography is a broad term used to describe the detailed study of the earth's surface. This includes changes in the surface such as mountains and valleys as well as features such as rivers and .....

Morphology, is the study of the size, shape, and structure of animal, plants and microorganisms and of the relationships of their constituent parts. The term refers to the general aspects of biological form and arrangement of the parts of a plant or .....

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Solution : ⦟ACB = ⦟ABC  ( base angles of isosceles triangle are equal ) ⦟ACB = 80 ⦟ACB +⦟ ACD = 180 (straight angle)  80 + ⦟ACD = 180 ⦟ACD = 100 ⦟ACD +⦟ CDE = 180 (since AC // ED) 100 + ⦟CDE = 180 ⦟CDE = .....

In triangle ABD,   ∡ADB+  ∡ADB  + ∡A = 180° or,  ∡A= 180° - 48 - 48 = 84o Finally,   ∡A= ∡DCE = 84°   [ Opposite exterior angle of cyclic .....

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Solution: ∠PNM = ∠RPN (Alternate angles) ∠PNM = 25 ∠POM = 2 ∠PNM (Central angle is double of inscribed angle) ∠POM = 50 ∠RON = 2 ∠RPN ( Central angle is double of inscribed angle substended on same arc) ∠RON = .....

Solution : ∠ABC = 90 (Angle subscribed by semi-circle is 90) ∠BAC + ∠ACB + ∠ABC = 180 (Sum of angles of triangle adds 180) 3a/2 + a + 90 = 180 5a/2 = 90 a = (90*2)/ 5 a = 36 Again, ∠BDC = ∠BAC = 3a/2   = (3*36) / .....

∠OQR = ∠ORQ (Base angles of isosceles triangle are equal) ∠ORQ = 55 ∠QOR + ∠OQR + ∠ORQ = 180 ( Sum of angles of triangles is 180) ∠QOR + 55 + 55 = 180 ∠QOR = 180 - 110 = 70 ∠QPR = 1/2 * ∠QOR ( Inscribed .....

∠ABC = 90 (Angle made by semi-circel is 90) ∠A + ∠ABC +∠ C = 180 x/2 + 90 + x = 180 3x/2 = 90 x = 60 ∠OBC = ∠OCB = x  ( base angles of isosceles triangle) ∠OBC = .....

Here, PQ= OQ = OP ( given, and OQ and OP are raddi) So, triangle POQ is isosceles triangle. Now , Angle POQ = 60o so angle PRQ = 1/2 POQ                    = 60o / 2     .....

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Solution : diameter of cylindrical part = 126 m Radius r = 126 cm / 2 = 63 m height of cylinder = 5m total height = 21 m height of cone h = 21 m - 5 m = 16 m Then, length of cone l = √(r2 + h2) = 65 m CSA of cone = πrl = 22/7*63*16 = .....

Solution :  Volume of small sphere = 4/3 * π * r3 = 4/3 * π * 33 = 36π Radius of cylindrical vessel r = 4 cm Since, small sphere is dropped in it, so volume increases is 36π Now , increased volume of cylinder = 36π or, π * .....