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Thursday, April 30, 2026

What is MS Excel-Formula and Functions?-Class-7-Ch-2(2026-27):



CBSE SOLUTIONS-2026-27
CLASS-7
CHAPTER-2 MS Excel-Formula and Functions

A. Use your pencil and fill the correct circles:
1. When you copy or move the formula to other cells, the reference cell automatically gets changed known as:
(A) Absolute reference
(B) Relative reference
(C) Mixed reference
(D) None of these
 Answer: (B) Relative reference

2. In order to work correctly, a function must be written in a specific way, called the:
(A) Arguments
(B) Equal to
(C) AutoSum
(D) Syntax
Answer: (D) Syntax

3. The AutoSum option is present in the ________ group on the Home tab.
(A) Insert
(B) Editing
(C) Clipboard
(D) None of these
Answer: (B) Editing

4. An error that occurs when the number is divided by 0 is:
(A) #VALUE
(B) #NAME?
(C) #####
(D) #DIV/0!
Answer: (D) #DIV/0!

5. This function finds the largest number in a range:
(A) Average
(B) Count
(C) Max
(D) Min
Answer: (C) Max

B. Write TRUE or FALSE:
1. An Excel formula always begins with an equal to (=) sign.
Answer: TRUE
2. The #VALUE! Error occurs if the formula is used incorrectly.
Answer: TRUE
3. The commonly used functions in MS Excel include Sum, Product, Average, Max, Min and Count.
Answer: TRUE
4. There are six types of cell references in MS Excel 2021.
Answer: FALSE
5. The Paste option is found in the Clipboard group on the Home tab.
Answer: TRUE

C. Fill in the blanks with the words given below:
1. While filling cells, sometimes it is not necessary to ________ a cell reference.
Answer: change
2. Absolute references use a dollar sign ($) to look a specific ________ or part of a cell reference.
Answer: cell
3. In the ________, the first cell address does not include a dollar sign.
Answer: formula
4. In ________ reference, either the row or column remains fixed.
Answer: mixed
5. Most ________ programs allow you to reference cells from different worksheets.
Answer: spreadsheet

Wednesday, April 29, 2026

WHAT IS NETWORKING?-CLASS-8-CH-2(2026-27):



CBSE SOLUTIONS-2026-27
CLASS-8
CHAPTER-2 NETWORKING: DIGITAL BRIDGES

A. Multiple Choice Questions
1. This device helps your computer to connect to the internet:
(A) Wi-Fi (B) LAN (C) MAN (D) Modem
Answer: (D) Modem

2. This device connects computers in a network:
(A) Modem (B) Switch (C) Both A & B (D) None of these
Answer: (B) Switch

3. It carries pieces of the message, like a puzzle:
(A) Switch (B) Hub (C) Packet (D) Modem
Answer: (C) Packet

4. This uses a wireless antenna that increases the communication range of the radio signal:
(A) Router (B) Switch (C) Both A & B (D) None of these
Answer: (A) Router

5. An overall design of a computer network is called:
(A) WAN (B) LAN (C) MAN (D) Network architecture
Answer: (D) Network architecture

B. Write TRUE or FALSE
1. A MAN is a network that covers larger area than a LAN.
Answer: TRUE

2. A PAN is a global computer network that spreads across cities, countries or continents.
Answer: FALSE

3. A WAN typically connects devices such as printers, phones, PDAs and laptops.
Answer: FALSE

4. The architecture of a network can be defined as the structure and organization of the company’s hardware and software.
Answer: TRUE

5. Twisted pair cables were invented by Alexander Graham Bell in 1881.
Answer: TRUE

WHAT IS SELF MANAGEMENT SKILL?-CLASS-9-U-II-CH-1(2026-27):



CBSE-SOLUTIONS
CLASS-9
PART-A
UNIT-II SELF MANAGEMENT SKILL-I

A. Multiple Choice Questions
1. Which of the following is not a self-management skill?
(a) Problem solving
(b) Bargaining
(c) Understanding self
(d) Confidence building
Answer: (b) Bargaining

2. Grooming refers to:
(a) time management
(b) problem solving
(c) neat and clean appearance
(d) self-management
Answer: (c) neat and clean appearance

3. Building self-confidence includes:
(a) Set goals in life.
(b) Always think positively.
(c) Talk to people who are confident.
(d) All of the above.
Answer: (d) All of the above.

4. Which of the following is a positive attitude?
(a) Ignoring the feedback
(b) Accepting the feedback but not using it
(c) Telling that feedback given is wrong
(d) Learning from feedback and improving it
Answer: (d) Learning from feedback and improving it

5. Dressing and grooming are important because they help us to look ______
(a) smart
(b) untidy
(c) shabby
(d) all of the above
Answer: (a) smart

Tuesday, April 28, 2026

WHAT IS BARRIERS IN COMMUNICATION?-CLASS-9-U-I-CH-3-4(2026-27):


CBSE-SOLUTIONS
CLASS-9
PART-A
UNIT-I COMMUNICATION SKILLS-I
Chapter-3 COMMUNICATION BARRIERS

A. Answer the following:
1. Define communication barrier.
Answer:
A communication barrier is any factor that prevents, distorts, or hinders the effective exchange of information between the sender and the receiver. It stops the message from being understood as intended.

2. Identify the different kinds of barriers.
Answer:
The different kinds of communication barriers are:
Physical Barriers: Noise, distance, poor technology, closed doors, etc.
Language/Semantic Barriers: Different languages, jargon, technical words, or ambiguous words.
Psychological Barriers: Emotions, stress, prejudice, lack of attention, or mental state of the receiver.
Cultural Barriers: Differences in cultural backgrounds, customs, beliefs, and values.
Organizational Barriers: Hierarchical structure, rules, policies, or poor organizational culture.
Physiological Barriers: Hearing impairment, speech problems, or tiredness.
Perceptual Barriers: Different interpretations of the same message due to personal experiences.

3. Describe the ways to overcome the barriers in communication.
Answer:
Ways to overcome communication barriers:
1. Use simple and clear language.
2. Be a good listener and show empathy.
3. Choose the right medium/channel of communication.
4. Reduce noise and physical distractions.
5. Provide proper feedback to ensure the message is understood.
6. Respect cultural differences and avoid assumptions.
7. Use visual aids (charts, diagrams, gestures) when needed.
8.  Develop emotional intelligence and control personal biases.
9. Encourage open and two-way communication.
10. Give proper training to employees on communication skills.

Monday, April 27, 2026

SELF MANAGEMENT SKILLS-II -CLASS-10-U-2(2026-27):



CBSE-SOLUTIONS
CLASS-10
PART-A
UNIT-II SELF MANAGEMENT SKILLS-II

A. Multiple Choice Questions (With Correct Answers).
1. Stress causes:
(a) Physical strain
(b) Emotional strain
(c) Psychological strain
(d) All of the above
Answer: (d) All of the above
2. ________ refers to focusing efforts on maintaining a healthy mind and body which is better capable of withstanding stressful situations.
(a) Emotional health
(b) Stress management
(c) Self-management
(d) Mental health
Answer: (d) Mental health
3. Having conscious knowledge of your own self, your capabilities, feelings and your own character is called:
(a) Self-awareness
(b) Self-motivation
(c) Self-control
(d) Independence
Answer: (a) Self-awareness
4. Stress management can:
(a) Improve mood
(b) Boost immune function
(c) Promote longevity
(d) All of the above
Answer: (d) All of the above
5. Which of the following is an important life skill?
(a) Self-awareness
(b) Self-motivation
(c) Self-regulation
(d) All of the above
Answer: (d) All of the above
6. Sonika gets up at 6 a.m. and goes for her hobby classes. Then she comes back home and finishes her homework before going to school. She does all the work by herself. No one tells her to do so. This is called ________.
(a) Self-Awareness
(b) Self-Motivation
(c) Self-Regulation
(d) Discipline
Answer: (b) Self-Motivation
7. High expectations from self can leave one with chronic anxiety and stress, thus leading to ________ stress.
(a) Physical
(b) Emotional
(c) Mental
(d) Financial
Answer: (b) Emotional
8. Trisha is always tense during exam time. She is a sincere and studious student, but the thought of exams creates anxiety in her. Which stress management technique would you suggest to help her?
(a) Yoga
(b) Exercise
(c) Vacation with family
(d) All of the above
Answer: (d) All of the above
9. Ravi works hard to get the best student award at the end of the year. What type of motivation is this?
(a) Internal
(b) External
(c) Both internal and external
(d) Not any specific type of motivation
Answer: (b) External

B. State ‘T’ for True or ‘F’ for False
1. Stress is one of the main reasons for low productivity in all stages of life.
Answer: T (True)
2. One gets used to continue stress over a long period of time, so it doesn’t need to be managed.
Answer: F (False)
3. Chronic stress promotes mental and physical readiness to accomplish tasks.
Answer: F (False)
4. Stress impacts different people in different ways.
Answer: T (True)
5. Yoga is a mind-body practice that makes people aware of the link between mind and body.
Answer: T (True)

C. Answer the following Questions
1. What is the meaning of stress? List the causes of stress.
Answer:
Stress is the body's response to any demand or challenge (physical, emotional, or psychological).
Causes of stress:
1. Physical strain
2. Emotional strain
3. Psychological strain
4. High expectations from self or others
5. Exam pressure, family issues, work overload, etc.

2. List any four activities that can help in managing stress.
Answer:
1. Yoga and meditation
2. Regular physical exercise
3. Spending time in nature
4. Listening to music / deep breathing / vacation with family

3. How can being in nature help in stress management?
Answer:
Being in nature (like parks, gardens, or greenery) has a calming effect on the mind. It reduces cortisol (stress hormone) levels, lowers blood pressure, improves mood, and helps in refreshing the mind and body, thereby reducing anxiety and stress.

4. What are the physical symptoms of stress?
Answer:
1. Headache
2. Muscle tension or pain
3. Fatigue / tiredness
4. Sleep problems (insomnia)
5. Increased heart rate / chest pain
6. Digestive issues (stomach upset)

5. What does being self-reliant mean?
Answer:
Self-reliant means depending on oneself for taking decisions and doing work without needing help or instructions from others. It involves taking responsibility for one's own tasks and goals.

6. List any four benefits of working independently.
Answer:
1. Increases self-confidence
2. Develops decision-making skills
3. Improves time management
4. Builds a sense of responsibility and achievement

7. Explain the life skills that enhance the capability to work independently.
Answer:
The important life skills are:
Self-awareness: Knowing one's strengths, weaknesses, and emotions.
Self-regulation: Controlling emotions and behavior.
Self-motivation: Doing work without external pressure.
Discipline: Following a routine consistently.
These skills help a person become more confident and capable of working independently.

8. What does self-awareness mean? Why is it important?
Answer:
Self-awareness means having conscious knowledge of your own self — your capabilities, feelings, character, strengths, and weaknesses.
Importance: It helps in better decision-making, managing emotions, setting realistic goals, improving relationships, and reducing stress caused by unrealistic expectations.

9. How does self-regulation motivate an individual to strive towards attaining his or her goals?
Answer:
Self-regulation is the ability to control one's emotions, thoughts, and behavior in order to achieve long-term goals. 
It helps by:
1. Maintaining focus and discipline
2. Avoiding distractions and impulsive actions
3. Managing negative emotions like anxiety or frustration
4. Building consistency and perseverance, which leads to goal achievement.

10. What is self-motivation? Explain with the help of an example.
Answer:
Self-motivation is the inner drive that pushes a person to take action and complete tasks without needing external rewards or pressure from others.
Example: Sonika wakes up at 6 a.m. for hobby classes and finishes her homework before school without anyone telling her. She does this because she is internally motivated to improve herself.

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