Monday, 3 April 2017

CBSE Class 6 Maths - Ch2 Whole Numbers - NCERT Ex 2.1 (#cbsenotes)(#ncertanswers)

Chapter 2: Whole Numbers  

CBSE Class 6 Maths - Ch2 Whole Numbers - NCERT Ex 2.1 (#cbsenotes)(#ncertanswers)

NCERT Ex 2.1 

CBSE Class 6 Maths 

Q1: Write the next three natural numbers after 10999.

Answer:
10,999 + 1 = 11,000
11,000 + 1 = 11,001
11,001 + 1 = 11,002


Q2: Write the three whole numbers occurring just before 10001.

Answer:
10,001 – 1 = 10,000
10,000 – 1 = 9,999
9,999  – 1 = 9,998


Q3: Which is the smallest whole number?

Answer: ‘0’ (zero) is the smallest whole number.


Sunday, 2 April 2017

CBSE Class 12 - Biology - Chapter - Genetics (MCQs for AIPMT/NEET) (#cbsenotes)

Genetics 

CBSE Class 12 - Biology - Chapter - Genetics (MCQs for AIPMT/NEET) (#cbsenotes)

CBSE Class 12 - Biology - 
(MCQs for AIPMT/NEET)


Q1: Removal of introns and joining the exons in a defined order in a transcription unit is called

(a) Splicing
(b) tailing
(c) transformation
(d) capping


Q2: Klinefelter’s syndrome is indicated by an XXY sex chromosome combination. This abnormality is due to:

(a) gene deletion.
(b) gene duplication.
(c) gene translocation.
(d) non-disjunction.


Q3: Molecular basis of organ differentiation relies on modulation in transcription by

(a) RBA polymerase
(b) ribosome
(c) anticodon
(d) transcription factor

Saturday, 1 April 2017

CBSE Class 6 - Maths - CH1 - Knowing Your Numbers (NCERT Ex 1.3) (#cbsenotes)

Knowing Your Numbers 

CBSE Class 6 - Maths - CH1 - Knowing Your Numbers (NCERT Ex 1.3) (#cbsenotes)

CBSE Class 6 - Maths - CH1 - NCERT Ex 1.3 Answers


Q1. Estimate each of the following using general rule:
(a) 730 + 998 
(b) 796 – 314 
(c) 12,904 +2,888 
(d) 28,292 – 21,496


Answer:
(a) 730 round off to     700
998 round off to 1000
──────
Estimated sum =  1700
──────

(b) 796 round off to   800
314 round off to 300
──────
Estimated sum = 500
──────

(c) 12904 round off to 13000
2888 round off to   3000
──────
Estimated sum  = 16000
──────

(d) 28292 round off to      28000
21496 round off to  21000
 ──────
      Estimated difference = 7000
 ──────

Friday, 31 March 2017

CBSE Class 12 - Physics - Electrostatic Potential and Capacitance (Short Q and A) (#cbsenotes)

Electrostatic Potential and Capacitance 

CBSE Class 12 - Physics 
(Short Q and A)
CBSE Class 12 - Physics - Electrostatic Potential and Capacitance (Short Q and A) (#cbsenotes)


Q1: Define Electrostatic Potential.

Answer: The electrostatic potential at a point is defined as amount of work done per unit positive test charge in moving the test charge from infinity to that point against the electrostatic force due to the electric field.
Q4: Is electric potential a scalar quantity or vector quantity?


Q2: Name the physical quantity whose SI unit is Joule coulomb⁻ⁱ?

Answer:  Electric potential


Q3: Does the electric potential increase or decrease along the electric line of force?

Answer: It decreases along the electric line of force.


Q4: Is electric potential a scalar quantity or vector quantity?

Answer: Scalar quantity


Monday, 27 March 2017

CBSE Class 9 - SA2 Mathematics Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 Mathematics Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 Mathematics Sample Question Paper (2016-17)





CBSE Class 9 - Mathematics - CH 14: Statistics - Important Points

Statistics - Important Points

CBSE Class 9 - Mathematics 
CBSE Class 9 - Mathematics - CH 14: Statistics - Important Points

In statistics we study collection, presentation analysis and interpretation of data.

Facts or figures collected with a definite purpose are called data.

Data are fundamental. Statistical tests are performed on raw not manipulated data.

The number of times an observation occurs in the given data is called frequency of the observation.

Class intervals are the groups in which all observations are divided.

Saturday, 25 March 2017

CBSE Class 6 Maths - Knowing Our Numbers - NCERT Ex 1.2 (#cbsenotes)

Knowing Our Numbers 

CBSE Class 6 Maths - Knowing Our Numbers - NCERT Ex 1.2 (#cbsenotes)

NCERT Ex 1.2 Solutions

CBSE Class 6 Maths 

Q1. A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final day was respectively 1094, 1812, 2050 and 2751. Find the total number of tickets sold on all the four days.

Answer:
Number of tickets sold on first day = 1,094
Number of tickets sold on second day = 1,812
Number of tickets sold on third day = 2,050
Number of tickets sold on fourth day = 2,751
────────
Total tickets sold = 7,707
────────
∴ 7,707 tickets were sold on all the four days.


Q2: Shekhar is a famous cricket player. He has so far scored 6980 runs in test matches. He wishes to complete 10,000 runs. How many more runs does he need?

Answer:
Runs to achieve = 10,000
Runs scored =    – 6,980
      ────────
Runs required  = 3,020
             ────────

∴ he needs 3,020 more runs.

CBSE Class 9 - SA2 English (Comm) Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 English (Comm) Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 English (Comm) Sample Question Paper (2016-17)





Friday, 24 March 2017

CBSE Class 6 Maths - Ch1 - Knowing our Numbers (NCERT Ex 1.1 Answers)(#cbsenotes)

Maths - Ch1 - Knowing our Numbers 

CBSE Class 6 Maths - Ch1 - Knowing our Numbers (NCERT Ex 1.1 Answers)(#cbsenotes)

CBSE Class 6  NCERT Ex 1.1 Solutions

Q1: Fill in the blanks:
(a) 1 lakh = _______________ ten thousand
(b) 1 million = _______________ hundred thousand
(c) 1 crore = _______________ ten lakh
(d) 1 crore = _______________ million
(e) 1 million = _______________ lakh


Answer:
(a) 10
(b) 10
(c) 10
(d) 10
(e) 10


Q2: Place commas correctly and write the numerals:
(a) Seventy-three lakh seventy-five thousand three hundred seven.
(b) Nine crore five lakh forty-one.
(c) Seven crore fifty-two lakh twenty-one thousand three hundred two.
(d) Fifty-eight million four hundred twenty-three thousand two hundred two.
(e) Twenty-three lakh thirty thousand ten.

CBSE Class 9 - Chemistry - MATTER IN OUR SURROUNDINGS (Worksheet) (#cbsenotes)

MATTER IN OUR SURROUNDINGS 

CBSE Class 9 - Chemistry - MATTER IN OUR SURROUNDINGS (Worksheet) (#cbsenotes)

Based on  Class 9 - Chemistry NCERT Chapter 
(Worksheet)


Fill in the blanks

The process of converting solid into liquid is called _________.


__________ is the process in which the liquid phase changes to gaseous phase at a constant temperature and constant pressure.


The amount of a water vapour present in air is called__________.


________ is the reverse process of evaporation.

Thursday, 23 March 2017

CBSE Class 9 - SA2 English (C) Sample Question Paper (2015-16) (#cbsepapers)

CBSE Class 9 - SA2 English (C) Sample Question Paper (2015-16)

CBSE Class 9 - SA2 English (C) Sample Question Paper (2015-16)





CBSE Class 11/12 - Biology - Environmental Biology (MCQs for AIPMT/NEET)

Environmental Biology 

CBSE Class 11/12 - Biology - Environmental Biology  (MCQs for AIPMT/NEET)

(MCQs for AIPMT/NEET)

Q1: Green-house effect is warming due to

a) infra-red rays reaching the earth
b) moisture layer in atmosphere
c) increase in temperature due to increase in carbon dioxide concentration of atmosphere
d) ozone layer of atmosphere


Q2: The relation between algae and fungi in a lichen is 

a) symbiosis
b) parasitism
c) commensalism
d) protocooperation


Q3: Major aerosol pollutant in jet plane emission is

a) Sulphur dioxide
b) carbon monoxide
c) methane
d) chlorofluoro-carbons

Wednesday, 22 March 2017

Career in Management After CBSE 12

Career in Management After 12th

Career in Management After CBSE 12

In last two decades, management has emerged as the most sought career option.  In the world of globalization, management is one of the largest, most varied, most demanding and most interesting domain of work. In layman language, management is the culmination of art and science of managing people and resources in businesses.

Managers are required in every field, but generally, it symbolises a career in corporate houses, hospitality industry, multinational Management firms etc.

Career in management enables one to understand all major and minor aspects of business administration. Planning, organising, leading, monitoring, essentials of a management delegating and controlling are some curriculum.

CBSE Class 9 - SA2 Social Science Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 Social Science Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 9 - SA2 Social Science Sample Question Paper (2016-17)