Thursday, May 7, 2015

list of practicals

1.1 to test the presence  of starch in a given food sample.
1.2 To test the presence of of the adulterant metanil yellow in dal.

2.(a) To prepare temporary mount of onion cell.
    (b) to prepare temporary mount of cheek cell

3. (a) to study different types of plant tissue
     (b) to study different type of animal tissue

4. to determine the mass percentage of water imbibed by rasins.

note book work for cell

Answer the following questions

1 marks questions 

1.   What is cell

2.   What are prokaryotic cell

3.   What are eukaryotic cell

4.   What is plasma membrane

5.   What is protoplasm

6.   Name the biomolecules present in plasma membrane

7.   What is meant by selectively permeable

8.   Define diffusion

9.   What is osmosis
    3 marks questions 

10.                     Define hypertonic, hypotonic and isotonic solution

11.                     What is the main function of each of the following organelles. (a) ribosome (b) cell wall

12.                     Write main function of golgi bodies and vacuole.

13.                     Distinguish between prokaryotic and eukaryotic cells

14.                     Write down difference between organ and organelles

15.                     Write down the difference between diffusion and osmosis

16.                     Write difference between plant and animal cell

17.                     Distinguish between choromoplast and leukoplast

18.                     What will happen in a cell if its nucleus is removed? Give reason in support of your answer

19.                     Lysosomes are known as suicide bags’ why?

20.                     Write the name of cell organelles

5        5 marks questions 

21.                     Which organelles is the power house of cell. Write in brief its function

22.                     Write its location in cell . chromatin , chromosomes, tonoplast, nucleolus

23.                     Where do ribosome  get synthesized. write its  functions.

24.                     Draw a well labeled diagram of animal cell and plant cell and mention one function of the main cell organelles

25.                     Write a short note on mitochondria and Golgi apparatus 
26. write functions of plasma membrane 
27. write a note on endoplasmic reticulum.

Tuesday, May 5, 2015



Q1.‘Duke was an extraordinary dog.’ What special qualities did he
exhibit to justify this?
Duke was truly an extraordinary dog as he understood the needs of his master completely and  pushed him out of his depressed state. He understood that his master was not well and toned down his behaviour from his earlier boisterous self. He pushed his master out of bed and reignited in him an interest . He taught his master to walk again with infinite patience, painstaking care, and sensitivity which was very surprising in a dog.

Q2.In 1953, Hooper was a favoured young man.’ Explain.
It means that in the year 1953, Hooper had everything that he
could have ever wanted. He was a tall young man, with a healthy.
Muscular body. He was a member of the university football team.
Apart from that he had a well-paying job as a sales manager for a
chemical company. He also had a loving wife and a faithful dog
whose company he enjoyed very much.

Q3.Why do you think Hooper’s appointment as Assistant National
Manager is considered to be a tribute to Duke?
It was tribute because it was the result of Duke’s persistence, help,
support and love that Hooper regained an interest in life and
started working again and worked hard to prove that his disability
was not going to limit his aspirations and his ability to achieve his

I.He was a 23-kilo missile of joy. He hit Chuck above the belt, causing him to fight to keep his balance.
(a) Who has been called a "missile of joy" ?
(b) How did he hit Chuck ? Why ?
(c) Why did Chuck find it difficult to maintain his balance ?
(a) Duke, the dog, has been called a "missile of joy".
(b) He hit Chuck in such a way that he lost his balance and nearly fell, but didn't. Duke did this all due to sheer joy.
(c) Chuck found It difficult to maintain his balance because he was just out of hospital. He was very weak.

II. When two fellows stare at each other day In, day out, and one can't move and the other can't talk boredom sets in. Duke finally couldn't take it.
(a) Who are the two fellows mentioned above ?
(b) Why can't one fellow In the above line move ?
(c) Why can't the other talk in these lines ?
(a) The dog named Duke and his master Chuck are mentioned here.
(b) One fellow, that is Chuck, can't move because he has met with a very serious accident.
 (c) The other is the dog which can't speak as dogs can't do so.

III. Those who saw it said the dog knew instantly. He never jumped on Chuck again. From that moment, he took up a post beside his master's bed around the clock. But even Duke's presence didn't reach Chuck. The once—iron muscles slacked on the rangy frame.
(a) What does 'rangy' frame mean here ?
(b) Why did Duke never jump on Chuck again ?
(c) Why even Duke's presence didn't reach Chuck ?
(a) It is stout and strong.
(b) Duke never jumped on Chuck again as he was a dog but was like a human being• He understood everything.
(c) Even Duke's presence didn't reach Chuck because he was under a great depression.

IV.  Duke felt the sudden slack in the leash and pulled it taut. Chuck swayed broke the fall with his good right leg, then straightened.
(a) When did Duke feel the sudden slack in the leash ?
(b)                        What did Chuck do then ?
(c)  What was the effect of what Chuck did on him ?
(a) Duke felt the sudden slack in the leash when Chuck dragged his left foot   giving looseness in the leash.
(b) Chuck swayed forward again and checked his fall with his good right leg.
(c) Chuck did all this three times and in that he felt exhausted.

V.  Thirteen months from the moment he worked full days, Chuck Hooper was promoted to regional manager covering more than four states
 (a) What helped Chuck Hooper achieve the promotion mentioned here ?
(b) What did Chuck's promotion reveal about the company's management ?
 (c) Who did Chuck owe his success to himself or Duke ?
(a) Chuck Hooper's recovery from a very serious accident helped him achieve this.
(b) It revealed that the company he served had real gentlemen who understood everything.
(c) He owed his success to Duke.

Short questions
Q. 1. Who was Charles-Chuck'-Hooper ? Where did he work and how did he look ?
Ans. Charles-'Chuck'-Hooper was zone sales manager of a chemical company. He was a favoured young man due to his competitive and result-oriented outlook. He had a big grin on his face. He was six-foot-one inch tall and looked smart. He had also played in the university football team.
Q. 2. One incident changed Hooper's life. What was the change ?
Ans. Hooper was the zone sales manager of a chemical company. He achieved everything he aspired for. But one evening when he was returning home, a car hit him. He got haemorrhage in the motor section of the brain. This completely paralysed his left making him a paralysed cripple.
Q. 3. Why was Duke put in a kennel
Ans. Charles was in hospital due to the accident. Due to the nature of his accident he needed Marcy to look after him. There was no one to take care of Duke at home. So he had to be put in a kennel.
Q. 4. How was Hooper involved in an accident ? How was he injured ?
Or  How was Chuck injured in the accident ?
Ans. Charles-'Chuck'-Hooper was driving home in one autumn twilight. A car suddenly pulled out in front of him without warning. He received very serious injuries in the brain leading to subdural hemorrhage, These paralyzed the left side of his body.
Q. 5. How did Hooper feel when he returned home after the hospital ?
Ans. Hooper returned home after about six weeks at the hospital. After the excitement homecoming wore off, Chuck got a bout of depression. When Marcy, his wife, went to each morning, he got all alone. That dispirited him and he went into depression•
Q. 6. Describe the first meeting between Hooper and Duke after Hooper is brought home from hospital. [V. Imp.J Ans. After Hooper was discharged he was brought home. Duke was at the kennel then. He was also brought home. Hooper had told that he would meet Duke standing. When Duke saw his master after a long period he quivered like 5000 volts and sprang up at him. Hooper
had to struggle to maintain his balance.
Q. 7. What happened when one evening Chuck's good hand idly hooked the leash onto Duke's collar ?
Ans. When Hooper did so, Duke understood that he was being called to go out for a walk. He shimmied himself and pranced. Hooper asked Marcy to support him by the elbow. He moved his right leg out in front. Then he straightened his right leg. It caused the left foot to drag forward alongside the right. Hooper had taken his first step.
Q. 8. How did Duke help Hooper to stand in the beginning and be on his own ?
Ans. Duke was instrumental in helping Hooper to walk again after his paralysis. One day Chuck hooked the leash into Duke's collar. He treated it as a signal to go out and pranced.
He then held the leash into his fingers. With Marcy's help he leaned forward. He straightened his right leg. This caused the left foot to drag forward. Hooper had taken his first step.
Q. 9. Describe how Hooper could walk with Duke's help after the beginning had been made.
 Ans. After the initial stage, Duke charged around to Hooper's good side, With Hooper standing, Duke walked to the end of the leash and tugged it steadily. They took four steps on the second day. On the following days Hooper would stand. Duke would keep the leash taut to balance him. This way Duke helped Hooper to take steps to the front porch. Then they went to the intersection quite far away.
Q. 10. How did Hooper's neighbours react to their walk when they had moved to their new house ?
Ans. Hooper's neighbours of their new house didn't know the story of Hooper and Duke.They only knew the gait of Hooper when he was out with Duke. They reacted saying that Hooper walked like a struggling mechanical giant. He was always pulled by the dog as if the dog owned him .


Q1:    Where does the brook begin?
 Place frequented by coots and herns.
Q2    Which is the last place to be visited by the brook?
A    Philip's farm is the last place to be visited by the brook. 
Q3 When is the brook specially noisy?
A    When it flows over stones.
Q4 What are the two things the brook is always doing?
A    Moving and making sounds are the two things the brook is always doing.
Q5Name some things that float down all streams (Use your imagination).
 Flowers, leaves, twigs, insects, fishes.
Q 6 Why is the water described as silvery?
A   The sun shines on the water making it sparkle like white silver.
Q 7 Why is gravel said to be golden?
A   It is yellow and brown in colour.
 Read the extracts given below and answer the Questions that follow 

I come from haunts of coot and tern,
I make a sudden sally,
And sparkle out among the fern,
To bicker down a valley.

a) What is the birth place of the Brook?

b) How does the Brook emerge after its birth?

c) Why does it 'bicker down a valley'?
    a)The birth place of the Brook is actually the haunt of water birds like the coot and the tern.

b)The Brook gushes out in a sudden sally after its birth.

c) It (the Brook) seems to bicker down a valley because it flows down a hilly terrain. When the water flows over such a terrain, it creates a lot of noise. This noise is described as 'bicker'.

By thirty hills I hurry down,
Or ship between the ridges
By twenty thropes, a little town,
And half a hundred bridges.

a) How does the Brook seem to move?

b) What are the things that the Brook passes by before it joins the brimming river?
  a) The Brook seems to move very hurriedly by hills and seems to slip between the ridges as it flows.

b) It passes hills, thropes, a little town, several bridges and Philip's farm before it joins the brimming river.
I chatter over stony ways,
In little sharps and trebles,
I bubble into eddying bays,
I babble on the pebbles.

a) How does the brook flow on a stony path?

b) What is the figure of speech used in the last two lines?

  a) The Brook creates a chattering sound when it flows on a stony path.

b) The poet has used alliteration with the use of the consonant sound 'b'. This produces a musical sound effect.



1). Road rage is criminally violent behaviour which causes accidents
or incidents on the road. Road rage takes on forms like speeding,
switching lanes, honking to terrorize other drivers or pedestrians on
the street. The reasons could be drugs, alcohol, and affluent
background. Read the information given above and write a letter
to the editor of a newspaper on the topic: Road rage – an urban
monster ’ Contents
Reasons leading to road rage:
1. driving at a slow speed of 20 km/hr in the overtaking lane
2. overtaking from the wrong side
3. honking to push someone else to go faster
4. cutting across from the extreme left to take a right turn
5. using obscene gestures while driving
How one can avoid becoming a victim
1. Stay in the car
2. Avoid making eye contact
3. Never respond to an obscene gesture in a negative manner
4. Keep a sorry sign in the car and don’t hesitate to hold it up when there is a need
5. Follow traffic rules
6. If you are being harassed, approach a traffic policeman

2.)The world we live in today is weighed down by the evils of violence
and crime. Psychopaths often target innocent young children and
cause irreparable harm to their minds and bodies. You feel that
introducing martial training in schools could be one solution to this
problem. Write a letter to the Editor of a newspaper on the topic- ‘Need for compulsory martial art training in schools’ in 150 words.



I.                 From the first stanza
1.How does the brook flow after taking its 'birth' ?
2• Which birds frequent the place where the brook takes its birth ?
3. How does the brook now down the valley ?
1. It flows hurriedly.
2.Coots and herns.                                                                                                                
3. It flows down the valley with a noise.

II.By thirty hills I hurry down,
Or slip between the ridges,
By twenty thorpes, a little town,
And half a hundred bridges,

1.      What come the way of the brook ?
2. What does "Twenty thorpes' here mean ?
3. What is the poetic device used here ?
1. Hills, ridges, thorpes, farms etc.
2. It means twenty small villages or hamlet,
3. Alliteration.
III. Till last by Philip's farm I flow
To join the brimming river,
For men may come and men may go,
But I go on forever
I. Where does the brook flow before joining the river?

2. What is the 'destiny' of man mentioned here?

3. What does 'I go on forever' mean ?

  I. By Philip's farm
2. Taking birth and dying

S'..JOO <
3. I will go on flowing forever.




Q4 The amount of homework she did was amazing. she would read, repeat, write and recite.
a)who is ‘she’ in the above lines?what home work is being talked about here?
b)why was she so keen on doing the home work?
c)what does this extract reveal about the character of ‘she’?
Q5 my grandmother called me to the pooja place and made me sit down on a stool. she gave me a gift of a frock material. then she did something unusual.
a)who is the speaker here?
b)why did the grandmother make the speaker sit on a stool?
c)what was that, that was ‘something unusual‘ done by her?
Q6 it is the story of an old lady and her desire to go to kasha or Varanasi.
a)who is this old lady?
b)why did she want to go to kasha?
c)why did the old lady not go to kashi?


Q 1 why did the grandmother identify herself with the main character of her novel ‘kashi yatre’?
Q2 why could Krishtakka not go to school and learn to read?
Q3 what reason did grandma give for women not being educated?
Q4 what did the grandmother do to be literate? how was she successful?
Q5 when did the grandmother realize the worth and value of being literate?
Q6how did the grandmother treat her granddaughter as her worthy teacher?


Q1 suppose you are sudha murthy. write a letter to your friend telling her how and why you taught your grandmother to read and write.(120 words)