Class 11 - Physics - CH3 - Motion In a Straight Line

Motion in straight line!
(source:clker.com)

NCERT Chapter Solutions

Q3.1 In which of the following examples of motion, can the body be considered approximately a point object:
(a) a railway carriage moving without jerks between two stations.
(b) a monkey sitting on top of a man cycling smoothly on a circular track.
(c) a spinning cricket ball that turns sharply on hitting the ground.
(d) a tumbling beaker that has slipped off the edge of a table.

CBSE - Class 10- English (Comm.) Workbook - Integrated Grammar Practice 3

Gutenberg who invested Typography
(source:wikipedia)

Integrated Grammar Practice 3

Q1: Read this telephone conversation between two friends and complete the passage given below.

Answer:
Sunil : Where have you been? I've called you six times.
Rajeev : I was cleaning my room.
Sunil : You couldn't stop cleaning to answer your phone?
Rajeev : I was cleaning my room so I could find the phone!

CBSE - Class 9 - Maths - CH1 - Number Systems (Ex 1.3)

Exercise 1.3

Q1. Write the following in decimal form and say what kind of decimal expansion each has:

Answer:

CBSE - Class 6 - Science - CH 13 - Fun with Magnets

NCERT Chapter Solutions

Magnetic Hill at Leh road (India) - which can pull cars
(source: wikipedia)

Q1: Fill in the blanks in the following:

Answer:

(i) Artificial magnets are made in different shapes such as _bar-magnet_, _cylindrical_ and _horse-shoe magnet_.

(ii) The Materials which are attracted towards a magnet are called_magnetic materials_.

(iii) Paper is not a _magnetic_ material.

(Explanation: Paper does not attract to magnet. Therefore it is a non-magnetic material).

(iv) In olden days, sailors used to find direction by suspending a piece of _bar magnet_.

(v) A magnet always has _two__ poles (i.e. North Pole and South Pole).

CBSE Class 9 - Biology - CH6 - Tissues (Set-1)

PLANT TISSUES 

MCQs, NCERT Chapter Solutions and Q & A (asked in CBSE examination)

MCQs

Q1: The study of tissues is called ...
a) cytology
b) embryology
c) histology
d) pathology

Answer: c) histology


Q:2 Which of the following statement is NOT true?
(a) Most of the plant tissues are the supportive type.
(b) Tissues ensure the division of labour.
(c) Sedentary existence contributes to the organ system design in animals.
(d) Organ systems are far more complex in animals than in plants.

Class 9 - Maths - CH1 - Number Systems - Ex 1.2

NCERT Chapter Solutions

Is Pi rational or irrational?
(src:openclipart.org)

Q1: State whether the following statements are true or false. Justify your answers.

Answer:

(i) Every irrational number is a real number. ✓(TRUE)

Explanation: Real numbers are the collection of rational and irrational numbers.

(ii) Every point on the number line is of the form  √m, where m is a natural number. ✗ (FALSE)

Explanation:  Since -ve numbers cannot be expressed as square roots.

(iii) Every real number is an irrational number. ✗ (FALSE)

Explanation: Real numbers contains both rational and irrational numbers.

Class 9 - Maths - CH1 - Number Systems (Ex 1.1)

NCERT CHAPTER SOLUTIONS

Exercise 1.1 (Rational Numbers)

Q1: Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?

Answer: Yes zero is a rational number. It can be represented as p/q form e.g. 0/1, 0/2, 0/15 etc.

CBSE -Class 10 - English (C) - Workbook - Unit 6 - Connectors

Unit 6 - Connectors - Answers

Few types of connectors

A.2 Read the sentences in Column A and identify the role (i.e. the "job") of the underlined words. Then match each sentence with a role in Column B.

Answer:

1	2
Food and drink prices in New York are           very high; furthermore, renting an apartment there is very expensive.	adds information
Ragini has a great sense of humour. In the same way, her sister Taarini loves a good joke.	introduces a similar idea
The film had poor reviews. So, I went out with my friends to see a play instead.	gives a different/ opposite idea
Sujoy is a lazy boy. Consequently he failed in his exams.	introduces the results

Jumbled Up Sentences (Set-2) - English Grammar #englishgrammar #class9English #class10English

Jumbled Up Sentences (Set-2) - English Grammar 

Rearrange the following jumbled-up sentences into meaningful ones. (asked in various exam papers)

Q1: 

Example: of/care/is important/post-operative/quick recovery/for/a patient

Solved:  Post-operative care is important for quick recovery of a patient.

1. the/first/doctor/a diagnosis/makes/an illness/of
2. he or she/what/then/kind/decides/of treatment/needed/is
3. can/treated with/many/be/a course of drug/illnesses
4. may/the doctor/if/is serious/the case/operate

CBSE - Class XI - Computer Science - Simple C++ Snippets (Part-2)

Q1. What is the size of a variable?

Answer: When you declare a variable, memory is allocated for that variable. For example char variable takes 1 byte of memory while an int variable consumes two bytes.

Note how much int will occupy memory space is platform dependent. For example, Turbo C++ is DOS based program allocates 2 bytes to an int variable. While visual c++ 6.0 compiler meant for 32-bit Windows applications, allocates 4 bytes to an int variable.