Students and Teachers Forum

1. Write any two characteristics of planet mars to identify it when observed through telescope.

The figure shows Mars with its .....

2. Write any two differences between heredity variation and environmental variation.

Differences between heredity variation and environmental variation are:

 
Heredity variation Environmental variation 1. Heredity variation arises due to changes in number or structure .....

3. If T=(-1   -2) denotes the translation and F  the rotation about the origin through +90º.If the image  of the point A(x,y) is Aˡ (8,9) under the combined transformation TOF, find the co-ordinates of A. 

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4. Differentiate between input device and output device.

Input Device: Take an example keyboard, we type something in the keyboard. We provide some information to the keyboard and it is processesed inside the computer. This is input device. We provide information IN the .....

5. Write the 5 difference between communicable and non-communicable disease.

The difference between communicable and non-communicable diseases are presented in the table below: Communicable Diseases Non-communicable Diseases Communicable disease can pass from one person to another. Non-communicable .....

6. Give two reasons:
Why laboratory equipments are usually made from Borosilicate glass?

The two main reasons Borosilicate glass is used for laboratory equipments are:- 1. It has higher melting point, making it more heat resistant. 2. It is resistant to chemical corrosion i.e. extremely high chemical .....

7. Answer the following questions.

a. Why should we treat people equally ?
b. Why should we play a role of the mediator to settle a conflict?
c. Write down the three ways for sustainable peace.
d. How does a conflict occur?
e. Why should we be cautious while dealing with strangers?

e. Strangers are simply people who you do not know. We should be cautious while dealing with strangers because some strangers are bad, who try to prey on the children. The worst thing they could do was take you into their house. So, if strangers .....

8. Which hydrocarbon is more reactive, saturated or unsaturated? Why?

The molecular formula of methane is CH4. There are 4 hydrogen atoms and only one carbon atom in methane. You know,  hydrogen have only one electron to form a bond. Hydrogen and carbon share one electron each to form a single bond. Since .....

9. A basket contain 3 Red, 4 Black and 5 White balls. A ball is drawn randomly from the basket. Find the probability of not getting a black ball.

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10. The sum of first four terms is 40 and sum of first two terms is 4 of a geometric series whose common ratio is positive, find the sum of first eight terms.

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11. There are some geometric means between 1/2 and 16. If third mean is 4, find the number of mean between two numbers. Also find last mean.

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12. The ends of a line segment are A(2, 3) and B(1, -4). Find the co-ordinates of the images of A and B after enlargement with centre at the origin and scale factor -2. Draw the graph showing both the line segments.

Hope you can draw .....

13. If sum of first three terms of A.P is 42 and that of first five terms is 80.Find twientieth term of series

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14. Write a couple of paragraphs about the "Role of media to aware people" in about 120 words.

                                            The Role of Media to Aware People
 
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15. Write an essay on "Importance of farming in Nepal" in about 200 words.

Importance of farming in Nepal  

Our country Nepal has more villages than .....

16. Present your opinion about the education system of Nepal in about 120 words.

Despite its rich and exciting culture, Nepal is the country with a very low literacy level. Only a little over 50% of the population of Nepal know how to read and write. Women in Nepal are less literate than men. Only 42% percent of women are .....

17. Write an essay on "Importance of Computer" in about 200 words. You ca use the following activities:
Introduction ................. advantages .............uses ............... conclusion. 

 

                                                  Essay on 'Computer' Computer is the wonderful and mastermind gift .....

18. Write a couple of paragraphs about your plan after grade 10 using the given clues:
Stream of your study: Science/Education/Management/Humanities     -place of study, your aim to be in future     - how to help to nation.

                                                                   My Plan .....

19. Write an essay on "Tourism in Nepal" in about 200 words.

                                                                      .....

20. Present your views about the advantages of internet in this globalized world in about 200 words.

                                                             Internet and its .....

21. Write an essay on "Gorkha earthquake in Nepal 2072" in about 200 words.

         Gorkha Earthquake in Nepal 2072
 
Nepal earthquake of 2015, also called the Gorkha earthquake, severe earthquake that struck near .....

22. Complete the following story in your own words. 

The story begins once upon a time there was a thirsty crow. It flew to search for water. It saw a pot with little water at the bottom of it....................... 

                                                        A Thirsty Crow Once upon a time there was a crow, .....

23. Write an essay on "Village life" or "Town life" in about 200 words.

                                                                      .....

24. Prepare a readable story on the topic "A Woodcutter and his Axe" in about 120 words.

Long ago, there lived a woodcutter in a small village.  He was sincere in his work and very honest.  Every day, he set out into the nearby forest to cut trees.  He brought the woods back into the .....

25. Construct a readable story with your own words on the basis of the outlines given below:

Long long ago a daughter of cat happened to fall in love with a man - wanted to be a girl for the man - worshipped the goddess - goddess made her a beautiful girl - the girl and the man got married - sitting in a room - the goddess wanted to check the past habit of the girl - goddess sent a mouse in front of the girl - the girl wanted to eat the mouse - chase the mouse - goddess changed her to a cat - moral.

                                                            .....

26. From the number cards, numbered from 1 to 30,a card is drawn at random. Find the probability of getting cubed number or square numbered card.

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27. The probability of solving a mathematical problem by two students A and B are 1/2 and 1/5 respectively.If the problem is given to the both students, find the probability of solving.

Given: P (A solving the problem) = P (A) = 1/2 and, P (B solving the problem) = P(B) = 1/5 P (the problem is solved) =? P (problem is solved) = 1 - P' (problem is not solved)   ...............................(i) P' (problem is .....

28. What is the probability of getting 3 on the dice and head on the coin when a dice is rolled and a coin is tossed simultaneously.

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29. In the given diagram , ∡A = ∡D , prove that : AC . OB = BD.OC

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30. The simple interest and compound interest of a sum of money in 2 years are Rs. 1000 and Rs. 1050 respectively. Find the annual rate of interest and the principal.

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31. A card is drawn randomly from a deck of 52 cards, find the probability of getting the card of spade or heart.

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32. On what factors does the formation of Queen and worker bee from larva depend?

The formation of the queen and worker bee from larva depends on the following factor: You may know that, in some human societies, the designation of royalty is passed on through a genetic birthright. Same happens in a honeybee.  According .....

33. How do you define duty? State in your own words.

Duty may be defined as responsibilities which an individual has to finish on time. Duty is a moral and legal obligation. It can also be defined as the responsibility of an individual to be performed. Further, duty is a task or action that one is .....

34. Where are fossils generally imprinted?

Look at the following picture: You can see some mak of a leaf on the rock. We call this as imprint fossil. Imprint fossils are also known as impression fossils. They do not contain any carbon material. Fossils are generally imprinted in .....

35. Write any four differences between morphology and embryology.

You know that the body of an organism is made of up different internal and external structures. Limbs of human, flippers of the whale, wings of birds and insects, patagium of a bat, fins of fishes, etc. are some of the examples of the .....

36. How are fossils formed? Explain.

Trees, animals, etc which are dead get buried under the mud, sand, rocks for long time. To form fossils, such phenomenon usually takes place nearby water sources. For the long time, the stones get into small pieces and the organic matter .....

37. In the  figure , ∡PQS = ∡PRQ. Prove that : PQ2 = PS.PR.

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38. In what ratio does the point (5, 3) divide the line segment joining (2, 3) and (7,3)?

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39. सर आइज्याक न्युटन

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40. A man stands 50m from the foot of a pole. He finds the angle of elevation to be 30 while observing the top of the pole. If his eye is 1.5m above the ground, find the height of the pole.

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41. सरकारले वीरको सम्मान गर्यो । (स्त्रीलिङ्ग)

सरकारले वीराङ्गनाको सम्मान गर्यो । .....

42. What is the percentage of oxygen in the air?

By volume, dry air contains 20.95% (i.e. 21 %) oxygen. Hence, the percentage of oxygen in the air is .....

43. What are the measures to make Financial Education effective in Nepal?

The measures to make financial education effective in Nepal are as follows: - It should be kept as a part of the syllabus in secondary and higher secondary school. - Awareness programme should be launched to make people know the essence of .....

44. The angle of elevation of the top of the tower of height 100 meters from the opposite side of the tower are found to be 45° and 60° respectively. Find the distance between the two points of observation on the ground.

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45. A sum of money increased by its 0.10 in every 6 months after how long time the semi-annual compound interest on Rs. 4000 will be Rs. 1324?

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46. In the given figure, ∡OLG = ∡LKG and ∡LOG =90⁰. Find the length of LG and GO.

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47. Simplify and solve:
  19 ×32x = 27-x

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48. The last term of an arithmetic series of 20 terms is 195 and common difference is 5. Calculate the sum of the series.

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49. Find the total surface area and volume of given prism.

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50. solve (0°≤A≤180°)
sin A =cos 60 °

Sin A =  ⁡cos60∘ Or,sin⁡sinA= 12 Or, sinA =sin30∘ or⁡sin150∘ Or, A = 30∘ or .....