Class-8 SA-2 Science(Hots Paper)

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Class-8 SA-2 Science(Hots Paper)



1. Define any five of the following terms :                                                                                                   (a) CONSTELLATIONS
( b) COMETS
(c) REGULAR REFLECTION
(d)ELECTROPLATING
(e) GRAVITATIONAL FORCE
 (f) PRESSURE
(g) ATMOSPHERIC PRESSURE
(h) MENSTRUATION
(I) ROLLING FRICTION
(J) OSCILLATION.

2. Fill in the blanks : 
(a) Asteroids are found between the orbits of _________ and _________
 (b) The size of the pupil becomes ____________ when you see in dim light.
 (c) The unit of frequency is..........................
 (d) Sprinkling of powder on the carrom board ________ friction.
(e) The north pole of a magnet ———— the north pole of another magnet.

3. Tick the correct answers :
(i) Which of the following is NOT a member of the solar system?
 a) An asteroid (b) A satellite (c) A constellation (d) A comet
(ii) Image formed by a plane mirror is
 (a) virtual, behind the mirror and enlarged
(b) virtual, behind the mirror and of the same size as the objet
 (c) real at the surface of the mirror and enlarged
(d) real, behind the mirror and of the same size as the object.
(iii) Which of the following voices is likely to have minimum frequency?
(a) Baby girl (b) Baby boy (c) A man (d) A woman
(iv) Reproductive age in women starts when their
(a) menstruation starts. (b) breasts start developing. (c) body weight increases. (d) height increases.
(v) A collection of large stars in the sky is known as
 (a)galaxy (b) satellite (c) constellation (d) comet.

4. Explain how you can locate the Pole Star with the help of Ursa Major.

5. Define Reflection and State the laws of reflection..

6. Sometime, a crackling sound is heard while taking off sweater during winters. Explain.

7. Does pure water conduct electricity? If not, what can we do to make it conducting?

8. Explain in what way noise pollution is harmful to humans.

9. Give examples to show that friction is both a friend and a foe.

10. Define force and write the effects of force.

11. A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?

12. Define Puberty and List changes in the body that take place at puberty.

13. What are sex hormones? Why are they named so? State their function.

14. Do all the stars in the sky move? Explain.

15. Define multiple reflection reflection and write its applications .

16. What are the factors affecting friction? Explain with examples.

17. Why are cars, airplanes & rockets streamlined?

18. Why is pituitary glands called “master glands”?

19. Which planet is known as morning and evening star,why is it so called.

20. What Is the function of endocrine gland.

ENGLISH WRITING SECTION (Class-10)

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ENGLISH COMMUNICATIVE (COURSE-A)

WRITING SECTION (Class-10)

3. Ashwani/ Aastha Sharma, in charge of the NSS Club of St. Andrew’s School, Kashipur , is

given the following letter to write a notice to be put up for students on the school notice board.

Write the notice in not more than 50 words, including relevant details from the letter in your

notice so that students may contribute generously . Do not give extra information. Put the notice in

a box. (5 marks)

The Philanthropic Society

5-Mount Hill Road

Dehradun

5 August, 2004

The Principal

St. Andrew’ s School

Kashipur , U .P .

Dear Sir,

We are a charitable organization working for helping the distressed people due to natural calamities

like the earthquakes, floods etc.

We would acknowledge it as a gesture of great benevolence if your students contribute to the cause

of rendering help to the hill people of Uttranchal who have experienced a terrible flood and have

been displaced by it. The students can contribute food articles, medicines, money, clothes, shoes

and otheritems of daily use. This will help to relieve the distress of the people of this area greatly.

These items may be collected next Saturday at about 1 p.m. in the school’ s NCC & Scouts room

when our team visits the school.

Thank you very much.

Yours sincerely,

K.C. Katihar

President

4. Read the following notes from the note-pad of Shri B.L. Sharma, the principal of St. Anthony

School, Vasant Kunj, New Delhi. He asks his assistant to draft a message on his behalf for Mr . K.

Makkar , the vice principal of the school. Using the information from the note-pad, draft the

message, in not more than 50 words. Put the message in a box. (5 Marks)

1. Request to attend urgent meeting - in my office at 10.00 am today

2. Class teachers of X, XI & XII also to participale in the meeting

3. Agenda-planning for a two-week excursion to Gangotri during summer vacation.

5. Anil/ Anjali Diwan of Model Town, Delhi reads ‘,the following advertisement in the newspaper

about Help The Old, an organization for helping the aged of India. He/ she writes a letter saying

he/she along with a group of NSS students would like to help the aged in some way. As Anil/ Anjali

write the letter in not more than 150 words. Ask for the programmes you can .join, the kind of

service you and your schoolmates can provide. Also ask for information about the ways you can

collect or donate money to them. (10 marks)

6. Rosa Nair, a student of S.D. Public School. Hamirpur (H.P.) has to take part in a speech

competition on the topic “Stop Crowding Hamirpur”. During the last decade it has grown from a

lovely green hill station into a heavily populated industrial town. Using the ideas from the table and

the hints given below, ideas from the unit on “Environment” and your own ideas, write Rosa’s

speech in not more than 150-200 words. (10 marks)

HAMIRPUR (1994-2004)

HINTS:

* Deterioration in civic amenities

* Pollution levels increasing everywhere

* Overcrowding in streets, buses, markets

* Suggest some practical solutions

ENGLISH GRAMMAR SECTION (Class-10)-5

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CBSE TEST PAPER-02

ENGLISH COMMUNICATIVE (COURSE-A)

GRAMMAR SECTION (Class-10)

C.1. The following paragraph has not been edited. There is one mistake in each line. Underline the

error and write the correct word in the blank provided. 5 marks

A survey founds that all the (a) _____

Cases of harassment was (b) _____

Not reportedly and forty (c) _____

Percent of the reporter said (d) _____

They usually ignored so (e) ______

Incidents and that no action was taken

C.2. Look at the words and phrases below and rearrange them to form meaningful sentences.

5 marks

(a) remain/anymore/Pepsi/the choice/on the campus/may not

(b) the soft drink / the Delhi University / is out / students union / to shake.

(c) on the / students/ North Campus / the Coke bottles / smashed / the

(d) ransacked / most / which / canteens / store / coke /were / and Pepsi

(e) The move / supported / the students / the teachers / and / have

C. 3. In the given paragraph, one word has been omitted in each line. Using (/) mark the place and

give the omitted word in the blank provided. 5 marks

The Delhi police have given description (a)_____

of a man was last seen at the (b)_____

restaurant is on Parliament Street. (c)______

The man is tall has a thick (d) _____

moustache. He also a big scar over his left eye. (e) _____

ENGLISH GRAMMAR SECTION (Class-10)-4

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ENGLISH COMMUNICATIVE (COURSE-A)

GRAMMAR SECTION (Class-10)

1. In the passage given below, one word has been omitted in each line. Write the missing word

along with the word that comes before and the word that comes after it in your answer sheet. Ensure

that the word that forms your answer is underlined as shown. (½x8=4 marks)

English is / useful language. The people is a useful

who speak English today make the a)

largest speech community the world. b)

A speech community is similar other c)

kinds communities. The people who d)

form speech community share a common e)

language. Often they live side side as f)

they in a neighbourhood, a village or a city. g)

More often form the whole country. h)

2. The following passage is an extract from an article about an insectivorous plant called sundew

but some of the words have to be filled in the blanks. Complete the paragraph by writing ONE

suitable word in each blank. Correctly number and write the answer in your answer sheet.

(½x8=4 marks)

The sundews (a) __________________________ about 90 to 100 species of mainly perennial

herbs. Found worldwide, (b) ___________________ are among the most common of insectivorous

plants. (c) ___________ small white, pink, or purple flowers grow alone or in one-sided clusters.

The leaves form small rosettes (d) _________________ the ground in bog areas; the upper surface

of (e) _________________ leaf is covered with prominent, gland-tipped, green to reddish hairs.

The glands excrete a clear, sticky fluid (f) ___________ clings to them like dewdrops; the name

sundew is (g) ____________________________ from these drops, as they are not dried up by the

sunlight. If a small insect alights on the leaf or brushes past it, it is (h) _______________________

fast by the sticky hairs, which curve inward and press the victim down onto the surface of the blade,

where it is digested.

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3. Read the dialogue and complete the passage given below. Write the correct answer in your

answer sheet against the correct blank number. Do not copy the whole sentence. (4 marks)

Meenu: How did you get up that tree?

Rohan: I used a ladder of course. But someone went off with it while I was sawing this branch. Go

and get another one instead of just standing here asking silly questions.

Meenu asked Rohan (a) ____________________________________________________. Rohan

snapped angrily that (b) ________________________________________. He added that (c)

___________________ ________________________________________. He ordered Meenu (d)

_________________________________________________ ___________________________ .

4. Look at the words and phrases below. Rearrange them to form meaningful sentences. The first

one has been done as an example. Write the correct sentences in your answer sheet. Remember to

number the answers correctly. (3X 1=3 marks)

Example:

a fashion /has become /with/ eating out/ people/ today/ the.

Eating out has become a fashion with the people today.

1. by /relished /home cooked food/ no longer /the youngsters/ healthy/ is,

2 to /the popularity/ every corner/ junk food/ has led/ of/ eating joints/ around / of/ the opening

3. what / that /do not realize /we / be pleasing / may not be /to/ to /so/ our digestive system/ may/

the taste buds

ENGLISH GRAMMAR SECTION (Class-10)-3

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ENGLISH COMMUNICATIVE (COURSE-A)

GRAMMAR SECTION (Class-10)

7. In the passage given below, one word has been omitted in each line. Write the missing word

along with the word that comes before and the word that comes after it in your answer sheet. Ensure

that the word that forms your answer is underlined as shown. (½x6=3 marks)

Egyptian pyramids served tombs for kings served as tombs

and queens, but they also places of ongoing a)

religious activity. After a ruler died, his her b)

body carefully treated and wrapped to c)

preserve it a mummy. According to ancient d)

Egyptian belief, the pyramid, the mummy e)

was placed, provided a place the monarch f)

to pass into the afterlife.

2. Look at the notes on gorillas given below. Then use the information to complete the paragraph by

writing suitable words and phrases in each space. Do not add any new information. The first one

has been done as an example. Write your answers in the answer sheets against the correct blank

number:

(5 marks)

Largest primate

ground-dwelling herbivore

found central forests of Africa

move about—knuckle-walking

Males — ht from 1.65 m to 1.75 m, wt from 140 kg to 165 kg

females about half the weight of males.

endangered, poaching

habitat destruction and the bush meat trade.

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The Gorilla

The gorilla, the largest of the primates, (a) _______________________. It

(b) _____________________________. Gorillas move about by knuckle-walking. Males range in

height from 1.65 m to 1.75 m, and in weight from 140 kg to 165 kg. Females (c)

________________________Gorillas (d) _______________________ have been subject to intense

poaching for a long time. Threats to gorilla survival (e) ____________________________.

3. Given below are instructions for making vermicelli upma. Use these to complete the paragraph

that follows as shown. Write the correct answer in your answer sheet against the correct blank

number. Do not copy the whole sentence. (½X 8= 4 marks)

1. Heat some oil in a pan. Fry the vermicelli till golden in color. Keep aside.

2. Heat some more oil in a pan. Toss in the mustard seeds followed by the black gram. Stir fry both

till the mustard seeds splutter fully and the gram is red in color.

3. Add warm water along with salt to taste and bring to a boil.

4. Reduce the heat and add the vermicelli. Cook whilst stirring often till all the water has

evaporated and the vermicelli is well cooked. Remove from heat and serve garnished with grated

coconut.

First some oil is heated in a pan and the vermicelli (a) ______________________________ and

kept aside. Then some more oil is heated in a pan. The mustard seeds (b) ____________________

followed by the black gram. Both (c) _________________________________ till the mustard

seeds splutter fully and the gram is red in color. Warm water (d)

_________________________________ along with salt to taste and (e)

_________________________ to a boil. The heat (f) __________________________ and the

vermicelli (g) _____________________________ . It is stirred often till all the water has

evaporated and the vermicelli is well cooked. It is then removed from heat and (h)

______________________ garnished with grated coconut.

4. Complete the following dialogue between two friends. Write only the correct answer against the

correct blank number in your answer sheet. (3x1=3 Marks)

Sheela: Hello! Could I speak to Rani?

Reghu: Rani has gone out. This is her brother Reghu speaking. (a) _________________?

Sheela: I am her friend, Sheela. (b) __________________________________?

Reghu: She’s gone for her tuition and will be back in an hour.

Sheela: (c) _________________________________________________________?

Reghu: I’ll definitely give her your message. Does she have your telephone number?

Sheela: Yes she does.

ENGLISH GRAMMAR SECTION (Class-10)-2

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ENGLISH COMMUNICATIVE (COURSE-A)

GRAMMAR SECTION (Class-10)

7. Mr. M. Sharma is the owner of K.P. Bakeries. He has made the following notes about a wedding

cake to be delivered to one Mr. John. Write a brief note to Mr. John, using the information from the

note pad given below. Do not add any new information. Write the correct answer in your answer

sheet against the correct blank number. Do not copy the whole sentence. (5 marks)

Dear Mr. John,

We are pleased to a) ...........................................................................................is ready.

It is a cake b) ................................................................................................on it.

The names of the bride c) ......................................................................................on the top.

Since it is a perishable item, d) ..................................................................................this evening.

We shall not be responsible if e) .........................................................................afterwards.

Yours truly,

M. Sharma

Proprietor (K.P. Bakeries)

8. Given below is a conversation between David and his friend, Meenu. Complete the dialogue in

any suitable way. Write the correct answer in your answer sheet against the correct blank number.

Do not copy the whole sentence. (4 marks)

David : Hello. Is this 26897367?

Meenu : Yes. (a) _________________________________________________?

David : To Meenu. I am her friend, David.

Meenu : David! It’s Meenu. (b) ______________________________________?

David : I’m calling from Indira Gandhi International airport. I’m here for a visit.

Meenu : That’s great. (c)____________________________________________?

David : I wanted to give you a surprise.

Meenu : When did you arrive? (d) ____________________________________?

David : I just got here and I’m alone.

9. The following passage has not been edited. There is one error in each of the lines. Write the

incorrect word and the correction in your answer sheet as given below against the correct blank

number. Remember to underline the word that you have supplied. (½ x 8 = 4 marks)

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Children love picnics and outings of their parents e.g. of with

though they are equally happier doing things with a)

them around the house. A parent may make b)

his child feels special by following some simple c)

rituals. Bedtime stories, the game of cards or d)

simply talking and laugh together before going to e)

bed some give children a wonderful sense f)

of well-being. They hardly ever forgot these moments, g)

and cherish them throughout these lives. h)

10. Look at the words and phrases below. Rearrange them to form meaningful sentences. The first

one has been done as an example. Write the correct sentences in your answer sheet against the

correct blank number. (1/2 X 6 =3 marks)

And a very / the king / named Acanthus / talented sculptor / Pygmalion was /of Cyprus /of a village.

Pygmalion was the king of Cyprus and a very talented sculptor of a village named Acanthus

A. had finished/he smiled/when he / the ivory statue / of a beautiful woman/one day.

B. smile /at having found/it was/ the innocent/new and unique / of a child/ something

C. by the beauty/ that/to worship it /he was / falling down / he felt like / so impressed / on his knees/

of the statue.

D. that he / a masterpiece / and called / he realized / this beauty, / had created / Galatea.

E. was a devoted / to the goddess / he prayed / to breathe life / into it / of Aphrodite,/ since he /

follower.

F. to life and / married her / after the goddess/ his wish, / Pygmalion / Galatea came / granted him.

11. Look at the newspaper items below. Then use the information in the headlines to complete the

paragraphs. Write the answers in your answer sheets against the correct blank number. Do not copy

the whole sentence (4 marks)

(a) BLASTS OUTSIDE ATHENS POLICE STATION

Three bombs___________________________________________________ on Wednesday in a

series of timed blasts, causing serious damage and rattling security forces just 100 days before the

Olympic Games. :

(b) SECURITY SYSTEM AT SHANTINIKETAN TO BE ‘REDESIGNED’

The Vishwa-Bharti University authorities ______________________________________

__________________________ at Shantiniketan in the wake of last week’s theft at Tagore’s

Memorial Museum.

(c) FAKE DOCUMENTS RACKET BUSTED

A racket in printing and selling of ___________________________________________

Police. One person has been arrested in this connection.

(d) “5 LAKH JOBS TO BE CREATED BY 2010” -----PLANNING COMMISSION

Mr. Naresh Mathur, member of the planning commission said yesterday that __________

_____________________________________________________________by the year 2010.

ENGLISH GRAMMAR SECTION (Class-10)-1

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ENGLISH COMMUNICATIVE (COURSE-A)

GRAMMAR SECTION (Class-10)

7. Look at the notes given below. Use the information to complete the paragraph by writing suitable

words or phrases in each space. Do not add any new information. Write only the correct answers

against the correct blank numbers in your answer sheet. 1×4=4 Marks

Coral reefs (a)____________________ . They are damaged (b) ____________________ . So they

are (c) _________________ nutrients. Carbon build-up is even more (d) _________________ than

rise in temperature. This has led to the fall in marine life.

8. Complete the following passage with one word in each blank. Write the correct answers against

the correct blank numbers. Do not copy the whole sentences. ½×8=4 Marks

One of the most significant pilgrim centres (a) __________________ the country, Varanasi,

(b) _______________________ famous for its temples and ghats. It is located (c)

_____________________ the river Ganges. The waterfront is decorated (d) ________________

hundreds of lovely ghats, (e) ___________________ city houses the famous Kasi Viswanath

Temple. Pilgrims flock the ghats (f) _________________the ritual bath. A popular belief is

that (g)____________________ who die in Varanasi are liberated (h) ___________________

the cycle of birth and death.

9. Given below are instructions to draw a circle. Use these to complete the paragraph that follows.

Write correct answers in your answer sheet against the correct blank numbers. Do not copy the

whole sentences. 1×4=4 Marks

Take a compass and insert a pencil into the provided hole and tighten it.

Keep the pointed end of the compass on one end of a scale.

Extend the arm, having the pencil, to the required length to obtain the radius.

Then keep the pointed end of the compass at the required point.

Rotate the arm having the pencil about the pointed arm to obtain a circle.

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A compass is taken and a pencil is inserted into the provided hole and tightened. The

pointed end of the compass (a) _____________ . The arm having (b) _______________ to obtain

the radius. The pointed end of the compass (c) _______________ . The arm having the pencil (d)

_______________ about the pointed arm to obtain a circle.

10. In the passage given below there is an error in each line. Write the incorrect word and the

correction against the correct blank number in your answer sheet. Underline the word you have

supplied. The first one has been done for you. ½×8=4 Marks

I still cherished the first cherished - cherish

six months on the organization (a)

where I began I career. I felt (b)

a sense to belonging there. I met (c)

different people who made our (d)

stay at a work-place memorable. (e)

That is the power of the good orientation (f)

programme. It educate employees (g)

on various importance issues. (h)

11. Rearrange the following words and phrases to form meaningful sentences. The first one has

been done for you as an example. Write the answers against the correct blank numbers in your

answer sheet. 1×4=4 Marks

in the / is swimming / with tremendous / one sport / potential / country /

One sport in the country with tremendous potential is swimming.

(a) our/is/full of/talented swimmers/country /

(b) not / utilized / potential / fully / their / is /

(c) academic subjects / other activities / take precedence / over / in school /

(d) has done / the sport / the government / very little / to boost /