HARI VIDYA BHAWAN Worksheet – 37

Class- IX

Subject- Science (Session- 2020-21)

Ch- 6 Tissues (Practice Questions)

Date-03/10/2020

Instructions to be followed:

From now onwards students do your worksheet in your particular subject notebook respectively. Don't use rough sheets, old copies or anything else. All the stationary shops have already opened. So, you can purchase it.

All the student must complete their worksheets as Periodic test marks will be given to those who completes it else you will have to go through pen paper test after the school reopens.

Read each and every topic (which will be given in worksheets) of the chapters from NCERT Books.

All the students must purchase NCERT books as it will help you to understand the chapter.

If you have any query related to worksheet, ask your queries in WhatsApp group between 8:00 am to 3:00 pm.

Multiple Choice Question:- Q.1 Which of the following component is not an example of simple tissue in

plants?

a) parenchyma b) collenchymas c) xylem d) sclerenchyma

Q.2 The cell wall of meristematic tissue is made up of-

a) Protein b) Amino acid c) Peptidoglycan d) Cellulose

Q.3 Which type of tissue forms glands-

a) connective b) epithelial c) nervous d) muscular

Q.4 Father of histology is-

a) Malpighi b) Bichat c) Mayer d) none of these

Q.5 Which of the following tissues are generally made up of dead cells?

a) phloem b) epidermis c) xylem d) endodermis

Answer the following questions-

Q.6 Describe the components of phloem. Define translocation?

Q.7 What are the permanent tissues of the plants? Give their functions.

Q.8 What is sclerenchyma? Describe location, structure and economic importance

of this tissue.

Q.9 Define collenchyma tissues.

Q.10 What are the difference between meristematic tissue and permanent

tissue?

HARI VIDYA BHAWAN

Subject: English

Class-X

Work sheet-38

DATE:-03/10/2020,

Instructions to be followed:-

1. From now onwards students do your worksheets in your

particular subject notebook respectively. Don’t use rough

sheets, old copies or anything else. All the stationary shops

have already opened. So you can purchase it.

2. All the students must complete their worksheets as periodic test

marks will be given to those who completes it else you will

have to go through pen paper test after the school reopens.

3. Read each and every topic (which will be given in worksheets)

of the chapters from NCERT books.

4. All the students must purchase NCERT books as it will help

you to understand the chapters.

5. If you have any query related to worksheet, ask your queries in

whatsapp group between 08:00 am to 03:00 pm.

Ch-7 GLIMPSES OF INDIA

Write the following question answers in the notebook

1. A BAKER FROM GOA Q1. What are the elders in Goa nostalgic about? A. The narrator often finds his elders thinking about ‘those good old days’ and telling them about the famous breads that date back to the time when Portuguese ruled over Goa. They ponder over the past and tell them that though the Portuguese have left Goa but the bakers still exist, if not the original ones, their legacy is being continued by their sons.

Q2. Is bread-making still popular in Goa? How do you know? A. Yes, bread-making is still popular in the city of Goa. It is evident from the existence of time-tested furnaces, mixers and moulders. The legacy of bakers is being continued by their sons. You will find a bakery in every Goan village as bread is an important part of the Goan culture.

Q3. What is the baker called? A. The baker is referred to as ‘Pader’ in the city of Goa.

Q4. When would the baker come everyday? Why did the children run to meet him? A. The baker would come twice every day during the narrator’s childhood days. Once in the morning to deliver the loaves of bread and secondly, in the evening on his return after selling his stock. The children would go running to him to take the special bread bangles he had made for them.

Click over the link to get the knowledge about the the following :

https://youtu.be/u_1Fyczjgm8

II. COORG

Q1. Where is Coorg? A. Coorg is the smallest district of Karnataka and is located somewhere between Mysore and the coastal city of Mangalore.

Q2. What is the story about the Kodavu people’s descent? A. It is said that the Kodavus are of either Greek or Arabic descent. According to one story, a part of Alexander’s army could not return to its homeland and so, settled there. As the traditional dress of the Kodavus, Kuppia is similar to the dress of the Arabs and Kurds, the Kuffia, it is said that probably the Kodavus are descendants of the Arabs.

Q3. What are some of the things you now know about

i.The people of Coorg?

A. People of Coorg are known to be descendents of the Greeks or the Arabs. This is because of their dressing style. They are independent and ferocious. They are the bravest soldiers in the Indian Army. At the same time, they are

welcoming and are known for their hospitality. They have married amongst their locals and their culture is very different from what is seen in mainstream Hindus.

ii.The main crop of Coorg?

A. Coffee is the main crop of Coorg. During the monsoon season, when the weather is pleasant and the wind is blowing, it carries with it the strong fragrance of coffee. Coffee estates with colonial bungalows are abundant and even provide homestays for visitors to experience the Coorgi way of life.

iii.The sports it offers to tourists?

A. A variety of high-energy adventure activities are offered to tourists like river rafting, canoeing, rappelling, rock climbing and mountain biking. Trekking is also one of the famous activities.

iv.The animals you are likely to see in Coorg?

A. Fishes like Mahaseer are found in the waters of the river Kaveri. Birds like Kingfisher and other animals like squirrels, langurs, butterflies, bees accompany you in this area while wild elephants can be seen enjoying bathing in the rivers. If you are on a trek, Macaques, Malabar squirrels, langurs and slender loris can be spotted on the trees.

v.Its distance from Bangalore, and how to get there?

A. Coorg is at a distance of 260 kms from Bangalore. The nearest airports are Mangalore (135 km) and Bangalore (260 km). There are flights to Mangalore from Mumbai, and to Bangalore from Ahmedabad, Chennai, Delhi, Goa, Hyderabad, Kochi, Kolkata, Mumbai and Pune. The nearest railheads are at Mysore, Mangalore and Hassan. There are two routes to Coorg from Bangalore. Both are almost the same distance (around 250-260 km). The route via Mysore is the most frequented one. The other route is via Neelamangal, Kunigal, Chanrayanapatna.

Click over the link to get the knowledge about the the following :

https://www.youtube.com/watch?v=cacjuT3K2lI&ab_channel=EnglishAcademy

III.TEA FROM ASSAM Question 1.

Read the following extracts carefully and answer the questions that follow:

1.“Chai-garam… garam-chai,” a vendor called out in a high-pitched voice. He came up to their window and asked, ”Chai, sa’ab?” “Give us two cups,” Pranjol said. They sipped the

steaming hot liquid. Almost everyone in their compartment was drinking tea too.

“Do you know that over eighty crore cups of tea are drunk every day throughout the world?” Rajvir said. “Whew!” exclaimed Pranjol. “Tea really is very popular.”

(a) How many cups of tea are drunk everyday throughout the world? (b) Where were Pranjol and Rajvir when this conversation took place?

(c) Find the word in the extract which is an expression of astonishment. (d) Who was selling the tea and where was he?

Answer:

(a) Over eighty crore cups of tea are drunk everyday throughout the world. (b) Pranjol and Rajvir were in a train when this conversation took place.

(c) ‘Whew!’ is an expression of astonishment from the extract. (d) A tea vendor was selling tea and he was outside the window of the train compartment.

2.Pranjol’s father slowed down to allow a tractor, pulling a trailer-load of tea leaves, to pass.

“This is the second-flush or sprouting period, isn’t it, Mr Barua?” Rajvir asked. “It lasts from May to July and yields the best tea”. “You seem to have done your homework before

coming”, Pranjol’s father said in surprise. „ “Yes, Mr Barua”, Rajvir admitted. “But I hope to learn much more while I’m here.”

(a) Why did Mr Barua feel surprised ? (b) How did Rajvir want to spend his stay there ?

(c) Which word in the extract means ‘agreed’? (d) What is the sprouting period of tea?

Answer: (a) Mr Barua was surprised to know that Rajvir already knew a lot about the tea gardens of

Assam. (b) Rajvir wanted to spend his time discovering the beauty of Assam. He wanted to learn

more about the tea plantations of Assam. (c) ‘admitted’ from the extract means ‘agreed’.

(d) The sprouting period or the second-flush of tea lasts from May to July.

Click over the link to get the knowledge about the the following :

https://www.youtube.com/watch?v=DVTDD5eqRgc&ab_channel=EnglishAcademy

Hari Vidya Bhawan Worksheet-39

Class-X

Subject- Information Technology

Date:-3.10.20

Instructions to be followed:-

1:- From now onwards students do your worksheet in your particular subject notebook respectively. Don't use rough sheets,

old copies or anything else. All the stationary shop have already opened. So, you can purchase it.

2:- All the student must complete their worksheets as Periodic test marks will be given to those who completes it else you will

have to go through pen paper test after the school reopens.

3:- Read each and every topics (which will be given in worksheets) of the chapters from NCERT books.

4. All the students must purchase NCERT books as it will help you to understand the chapter.

5:- If you have any query related to worksheet, ask your queries in WhatsApp group between 8:00 am to 3:00 pm.

Part –II UNIT-6 Database Development (basic)

Do questions and answers session

Q.1 Define database.

(for Ans. See page no 493 Paragraph -1 from sission-1)

Q.2 Describe the components of the database system. (for Ans. See page no 496 all 3 point describe)

Q.3 What are the advantages and disadvantages of DBMS?

Ans. Advantages of DBMS (for advantages see page no. 493-494 & write At least 5 point with explanation in 2 lines. )

Disadvantages of DBMS

1. Cost of Hardware and Software – This is the first disadvantage of database management system. This is because for DBMS, it is mandatory to

have a high speed processor and also a large memory size because now a days there is a large amount of data

in every field which needs to be store safely and with a security.

2. Cost of Staff Training – Educated staff (database administrator, application programmers, data entry operations) who maintains the

database management system also requires good amount.

3. Complexity: As we all know that now a days all companies are using the database management system as it fulfills lots of

requirement and also solves the problem. But a problem arises, that is all these functionality has made

database management system an extremely complex software. For the proper requirement of DBMS it is very

important to have a good knowledge of it by the developers, DBA, designers and also the end users.

4. Performance: Traditional file system is written for small organizations and for some specific applications due to which

performance is generally very good. But for the small scale firms, DBMS does not give a good performance

as its speed is very slow.

5. Frequency Upgrade/Replacement Cycles: Now a days in this world we need to stay up-to-date about the latest technologies, developments arriving in

the market. Frequent upgrade of the products is done by the DBMS vendors in order to add new functionality

to the systems. Sometimes these changes and updates are so fast that the users find it difficult to work with

that system because it is not easy to learn new commands and understand them again when the new upgrades

are done.

Q.4 Define database server.

(for Ans. See page no 494 last paragraph)

Q.5 What is RDBMS? Give two examples of RDBMS.

(for Ans. See page no 494 )

Q.6 What is relational Database?

Ans. A relational database is a type of database that stores and provides access to data points that are related to one

another. The columns of the table hold attributes of the data, and each record usually has a value for each attribute,

making it easy to establish the relationships among data points.

Q.7 Name and define four objects that are managed using MS-Access.

(for Ans. See page no 497 )

Note:- do answer of the question from the suggested page no. of your IT book.

OR

Watch this link video to understand the above questions https://www.youtube.com/watch?v=VcdXUKtV_04

(watch this video)