# Class 12 Informatics Practices - Plotting Data using Matplotlib ( Questions and Answers) Part-1

Q1: Define visualisation.

Answer: Data visualisation means graphical or pictorial representation of the data using graph, chart, maps etc.

Q2: Name any library that is used for data visualisation in Python.

Answer: matplotlib is a python library that provides various types of data visualisation interfaces.

Q3: How does visualisation help?

Answer: Visualisation also helps to effectively communicate information to intended users.

# Class 8 - Science - Crop Production and Management (Worksheet)

Fill in the blanks with suitable words:

1. Cultivation of plants and rearing of animals for food and other beneficial items is called ____________.

2. When plants of the same kind are grown and cultivated at one place on a large scale, it is called a ________.

3. The process of loosening and turning of the soil is called _________ or _________.

# Committees For Tournaments

Class 12 - Physical Education - Planning in Sports

Question: List names of various committees are formed for Tournaments?

1. Arrangement committee,

2. Technical committee,

3. Discipline committee,

4. Reception committee,

5. Boarding and Lodging committee,

6. Ceremonial committee,

7. Press and Media committee,

8. Certificate Writing committee,

9. Medical committee,

10. Announcement committee,

11. Recorders and Bulletin board committee.

Question: Write down the role of the various committees before a tournament.

Answer: The following are the roles of the various committees before a tournament.

Organising Committee:

Responsible for organising and smooth running of the tournament. It instructs other committee one month prior to the tournament and assigns tasks and responsibilities to them.

# CLASS 12 ENGLISH - AUNT JENNIFER’S TIGERS (Questions and Answers)

Q1. How do ‘denizens’ and ‘chivalric’ add to our understanding of the tiger’s attitudes?

Answer: Like all beasts of prey, the tigers are the denizens of the forest. They live far away from human settlements. They are called ‘chivalric.’ This indicates the majestic and honourable position that they occupy in the world of animals. So, the use of the words ‘denizens’ and ‘chivalric’ adds to our understanding of the tiger’s attitudes.

Q2. Why do you think Aunt Jennifer’s hands are ‘fluttering through her wool’ in the second stanza? Why is she finding the needle so hard to pull?

Answer: Aunt Jennifer is weaving tigers on the panel. Her hands are moving about her wool. She is finding the needle quite hard to pull. The weight of years of her married life is lying heavy on her hand. This makes the pulling of the needle so hard.

# CBSE Class 9 - Maths - Real Numbers (MCQs)

Choose the correct option in each of the following questions:

Q1. Which of the following is a rational number?

(a) 2√3

(b) π

(c) 0

(d) √3 + 1

Q2. Every point on a number line represents

(a) a rational number

(b) a natural number

(c) an irrational number

(d) a real number

# CBSE Class 10 Physics - Electricity (1 Mark Based Questions and Answers) Part-1

Q1: By what other name is the unit joule/coulomb called ?

Q2: Which of the following statements correctly defines a volt ?

(a) a volt is a joule per ampere.

(b) a volt is a joule per coulomb.

Answer: (b) a volt is a joule per coulomb.

Q3: (a) What do the letters p.d. stand for ?

(b) Which device is used to measure p.d. ?

(a) p.d. stands for potential difference.

(b) Voltmeter is used to measure p.d.

# Class 12 Business Studies - MCQs (Set-5)

Q1: Policy formulation is the function of

(a) top level managers

(b) middle level managers

(c) operational management

(d) all of these

Q2: Which of the following is NOT a Principle of management by Taylor?

(a) Science, not rule of the Thumb

(b) Functional foremanship

(c) Maximum not restricted output

(d) Harmony not discord

Q3: Under industrial policy, the role of _______ has been decided.

(a) Public Sector

(b) Private Sector

(c) Public Sector and Private Sector

(d) Government

# CBSE Class 10 Biology - Questions and Answers Related to Activity To Show Chlorophyll is Necessary For Photosynthesis

Chapter: Life Processes (NCERT Book Activity 6.1)

Activity Steps

Step 1: Take a potted plant with variegated leaves – for example, a money plant or croton.

Step 2: Keep the plant in a dark room for three days so that all the starch gets used up.

Step 3: Now keep the plant in sunlight for about six hours.

Step 4: Pluck a leaf from the plant. Mark the green areas in it and trace them on a sheet of paper.

Step 5:  Dip the leaf in boiling water for a few minutes.

Step 6:  After this, immerse it in a beaker containing alcohol.

Step 7: Carefully place the above beaker in a water bath and heat till the alcohol begins to boil.

What happens to the colour of the leaf? What is the colour of the solution?

Step 8: Now dip the leaf in a dilute solution of iodine for a few minutes.

Take out the leaf and rinse off the iodine solution.

Observe the colour of the leaf and compare this with the tracing of the leaf done in the beginning.

What can you conclude about the presence of starch in various areas of the leaf?

# Class 10 - English - First flight – Chapter 3: Two Stories about Flying

(Q and A)

Q1: What did happen when the author turned the aeroplane twelve degree west towards England?

Answer: When the author turned the aeroplane twelve degrees west towards England, he saw huge storm clouds that looked like black mountains standing in front of him across the sky.

Q2: Explain the statement: “I was very happy to go behind the strange aeroplane like an obedient child.”

Answer: The pilot came across huge storm clouds. He could neither go above them nor go around them due to lack of fuel. Then, he saw a black plane without lights on its wings, flying near his plane. Its pilot waved and signalled him to follow him. The author did not have much choice but to follow him.

Q3: “I'll take the risk." What is the risk? Why does the pilot of the old Dakota take it?

Answer: The risk was that of going through the storm In the narrator’s old Dakota aeroplane. He flew through as he did not have fuel to fly around them, and couldn't fly over them. Also, he wanted to get home for a big English breakfast.

# CBSE Class 12 Chapters: Nature and Significance of Management and Principles Of Management- Worksheet

Fill in the blanks with suitable words:

1. The father of Scientific Management is￼￼_______.

2. The father of Modern Management is _______.

3. The most misinterpreted word in management is _____________.