CBSE Board Class 10 English Core Sample Papers 2011
CBSE Board Sample Papers 2011 for Class 10 English Core
SECTION - A (READING)
Plant tissue culture (PTC) is the art and science of multiplying plants or plant parts (such as organs, tissues, cells, pollens, spores and embryos ) under controlled conditions of light, temperature or humidity in an optimal nutrient medium under aseptic conditions in a glass vessel..
Even a single cell has the potency to perform all the metabolic activities to form an independent plant. This phenomenon is known as totipotency. This is successfully used in tissue culture. Infinite number of plants can be produced from single explant in a short span of time, irrespective of natural conditions. The seedlings will be genetically true copies of the mother plant. That means , genetic purity can be maintained as far as required, in every seedling, which is almost impossible in conventional means of propagation.
PTC has been successfully tried in almost all plant varieties. Some plants like orchids produce millions of non-endospermous seeds in a single fruit, which cannot be cultivated in natural conditions. When grown through PTC, they have more than 75% germination. In the medium in which plants are cultivated all the required micro and macro nutrients and vitamins are added. PTC has been commercialised and is a lucrative business.
a) Name the different parts of a plant mentioned here . 1
b) What is totipotency ? 2
c) What is the advantage of totipotency ? 2
d) What are the true copies of mother plant referred here ? 1
e) What is produced by orchid plants ? 1
f) What is plant tissue culture ? 2
g) What happens when orchid plants are grown through PTC ? 1
h) Find the words from the passage which mean 2 x 1 = 2
i) making a large profit
Q2. Read the following passage and answer the questions that follow:
What is a snake ? A snake is a reptile without legs. A reptile usually has scales,lays eggs, breathes air and doesn’t spend much time taking care of its babies. It is also cold-blooded, which means that its body doesn’t stay in the same temperature all the time. Snakes get very cold on winter days and very hot in the summer. Because of this,
This article is the property of BoardGuess.com. Any unauthorized use is strictly prohibited. for more information.snakes usually stay in burrows during very hot and cold weather. A burrow is a hole in the ground where they can live. All snakes are carnivores or meat-eaters. Small snakes eat bugs and frogs.Longer ones eat fish, birds, mice and rabbits. They use sharp teeth and strong muscles to catch the prey. If the prey animal is bigger than its mouth, the snake can dislocate(unhinge) its bottom jaw to fit the big animal in.
Venom is the poison that snake put into its prey through its fangs(teeth). This either kills the prey animal or make it paralysed so that the prey can’t move. Once venom gets into the prey, it is easy for the snake to eat it. Some venomous
snakes have bright colours or patterns which can warn us. Rattle snakes have rattles to scare away animals or people that might hurt them.
a) Why do snakes usually stay in burrows during very hot and cold weather ? 2
b) How do the snakes use their venom ? 2
c) What is meant by ‘cold-blooded’ ? 1
d) What do you mean by ‘carnivores’ ? 1
e) How does a snake catch the prey bigger than its mouth ? 1
f) Find a word from the passage which means ‘frighten or become frightened’1
SECTION - B (WRITING)
Q3. You are Kiran / Kirmayi of Gandhi of Gandhi Park, Andhra Pradesh. Write a letter to the Govt of A.P. complaining to him about the lack of facilities malfunctioning of the
Government Hospital in your area. 8 M
Write a letter to the Commissioner of Chennai Corporation, complaining about the poor sanitary conditions and mosquito-menace in your locality.
Q4. Majority of women and girls are facing the problem of eve-teasing at the bus stop It has become a common phenomenon in the vicinity of schools and colleges. Write an article about the problem drawing the attention of the police and authorities. 8 M
Write a paragraph with the hints given below in not more than 80 words:
Fire in slum area-20 march, 2008.-Rampur in Guntur-weaker sections-small shops-gutteddeath of twenty people-voluntary club, President, Citizen’s Club-rescue operationstemporary shelter in Govt. Shool-issue of blankets, food packets etc.- arrival of local
magistrate- investigation by police –need of precautionary measures
Q5.You are Surya / Nandita working for ‘India Today’. Last week, you attended a seminar on ‘Pleasures of Eye-Donation’, organised by the Young Buzz of your district. Write a report of this seminar in not more than 100 words for publication in India Today. 4
You are Lingesh / Lila. As a responsible citizen you have organised a campaign on ‘Say No to Polythene Bags’, in your locality. Write a report in not more than 125 words for publication in a magazine.
SECTION – C ( GRAMMAR)
Q6. 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 after in your answer sheet.Ensure that the word forms your answer is underlined as shown. First one has been done for you.
Ultrasonic sounds used to measure e.g. sounds are used
the depth oceans and the principles a. _____________
behind is known sound navigations b. _____________
and ranging, sonar. Ultrasonic weaves sent c _____________
from transmitter from the surface of the sea, d. _____________
from a ship. sound waves are reflected e. _____________
by the sea bottom are sensed a receiver f _____________
system and recorded. the known value g _____________
of the speed of sound water. h _____________
Q7) Write the correct form of the under lined word in the passage. 4
The process of
a) educate is largely concerned with our inter-relations with our fellow-beings. In fact, education is a process of
b) adjust and harmony with our social environment. The child begins to learn this with
c)refer to his home environment and then to the school environment and in later years to the environment of his professional and other fields of
d) operational. The attitude that good education gives man as a gift is the attitude of understanding and
e) interesting in our fellow beings, resulting in
f) tolerable and friendliness with them. This attitude of understanding and
g) appreciative others starts with understanding and appreciating ourselves. In this the
h) contribute of literature is invaluable.
Q8, Read the following the passage and fill in the blanks with correct form of the words
given in brackets. 8
All know that (a) __________ [drink] is bad and is sure (b) ___________ [spoil] your
health which is our duty (c) ___ _____________ [protect]. (d) _______________ [avoid]
wine, tea and other such things is easy (e)___________ [adopt] but it needs a man fully
(f)___________ [determine] who is ready (g) _________ [bear] the pangs of pains if he
decides h.)_________ (remain) healthy.
Q9. Rearrange the following words and phrases to form meaningful sentences
The first has been done as an example. 3 x.1= 3
Just a slip of paper/to many people/that takes a letter/from one town to another/a stamp is.
Ans : A stamp is, to many people just a slip of paper that takes a letter from one town to
a. vast and important / that is / knowledge /stamps / contain
b. is a waste of time /many people / think / that / stamp collection
c. pleasure/provides / stamp collection / as / they are /vast knowledge / and / a treasure of history.
Q10.Read the extract given below and answer the questions that follow. Answer in one
or two lines only. 5
The minute they entered the class room, they stopped short and gasped. Thee were drawings all over the room, on every ledge and windowsill, dazzling colours and brilliant lavish designs, all drawn on great sheets of wrapping paper. There must have been a hundred of them, all lined up. These must be the drawings for the contest. They were ! Everybody stopped and whistled or murmured admiringly.As soon as the class had assembled, Miss Mason announced the winners.
Jack Beggles had won for the boys, she said and his design for an outboard motor was on exhibition in Room Twelve, along with the sketches by all other boys.
a) Why did they stop short and gasp ? 1
b) How did they react to the drawings ? 1
c) Who won the contest meant for girls ? 1
d) Why did Maddie think that Peggy would win the drawing contest
for girls ? 1
e) Find a word from the passage which means ‘lavish’. 1
Q11. Read the extract given below and answer the questions that follow. Asnwer in one
or two lines only. 5
He wandered for seven years and finally sat down under a fig tree, where he vowed to stay until enlightenment came. Enlightened after seven day, he renamed the tree the
Bow Tree (Tree of Wisdom) and began to teach and to share his new understandings.
At that point he became known as the Buddha.(The Awakened or The Enlightened).
The Buddha preached his first sermon at the city of Benares, most holy of the dipping
places on the river Ganges.
a) Who m does “he” refer to ? Why did he wander ? 1
b) Why was the fig tree renamed ? 1
c) Where did he give his first sermon ? 1
d) What is so special about Benares ? 1
e) Find from the passage w the word which means ‘religious or moral lecture’ 1
Q12. Answer the following question in about 80 words: 6
Write the character sketch of Natalya.
Illustrate the statement that ‘Coorg is a piece of heaven on earth’.
Q13. Answer the following questions in 30-40 words 4
What are the freedoms Mandela talks about as a boy and as a student ?
What do you know about Otters from the lesson ‘Mijbil the Otter’ ?
Q14. Read the extract given below and answer the questions that follow: 4
I am Rapunzel, I have not a care;
Life in a tower is tranquil and rare;
I’ll certainly never let down my bright hair !
a) Where do you think is Rapunzel found ? 1
b) What kind of life is she living? 1
c) What kind of girl does she prove in the end ? 1
d) Whose hair is referred to here ? 1
He should be snarling around houses
At the jungle’s edge
Baring his white fangs, his claws,
Terrorising the village!
a) Why do you think he should be snarling around houses ? 1
b) What does he do while moving at jungle’s edge ? 1
c) How do villagers feel and why ? 2
Q15. Answer any two of the following questions in 30 to 40 words each on the basis of
the lines given below: 6
a) ‘It sits looking
over harbour and sit
on silent haunches
and then moves on’.
What does ‘it’ refer to here and how is it described by the poet ? 3
b) “The forest that was empty all these days.”
How does the poet depict the empty forest ? 3
c) ‘And stares with his brilliant eyes
At the brilliant stars’.
Who stares at the stars and why does he do so ? 3
Q16. Answer the following question in 100 words: 8
‘How singular life is ? And how full of changes it is !’ Illustrate the character of Matilda in the light of this statement.
Describe the role played by Bholi’s teacher in transforming her ?
Q17. Answer the following question in 30-40 words: 4
Why was the thief grateful to Anil ?
Explain the phrase ‘honour among thieves’ with reference to the lesson ‘A Question of
Q18. Answer the following question in 20 - 30 words. 3
What do you think about Think-Tank in the play ‘The Book that Saved the Earth’. ?
How was the young lawyer treated by Lutkins’ mother ?
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