Saturday, June 24, 2017

CBSE Class 8 - Science - Coal and Petroleum (Q and A) (#cbseNotes)

Coal and Petroleum
(NCERT Exemplar  Q & A)

CBSE Class 8 - Science - Coal and Petroleum (Q and A) (#cbseNotes)
Petroleum Refinery


Question 1: You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?

Answer: Decantation


Question 2: What does CNG stand for and why is it considered to be a better fuel then petrol?

Answer: CNG stands for compressed natural gas. It is considered to be a better fuel because it is less polluting.


Question 3: Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.

Answer: Kerosene is used as fuel for stove,lamps and jet aircrafts.


Question 4: Fill in the blanks in the following sentences.

1. Coal is one of the ________ used to cook food.
2. When heated in air, coal burns and produces mainly _________ gas.
3. Coal Tar is a black, thick - with an ________ smell.
4. Petroleum, ______ and _______ are fossil fuels.
5. Forest and coal are _________ natural resources.

Thursday, June 22, 2017

CBSE Class 11 / NEET/ PMT - Biology - Ch 7 - Animal Tissues - Part 1 (Very Short Question and Answers) (#cbseNotes)

Animal Tissues (Part-1)

Very Short Q & A 

CBSE Class 11 / NEET/ PMT - Biology - Ch 7 - Animal Tissues - Part 1 (Very Short Question and Answers) (#cbseNotes)

Q1: Define tissue?

Answer: A group of cells similar in structure, function and origin.


Q2: Can cells in a tissue be dissimilar in structure or function?

Answer: Yes the tissue cells can be dissimilar in structure and function but they are always similar in origin.


Q3: Who coined the word 'animal tissue'?

Answer: Bichat

😇 Note:
Marie François Xavier Bichat, a french anatomist. He is also known as father of histology. Unfortunately he died very young at the age of 30.





CBSE Class 11 Informatics Practices - Syllabus (2017-18) (#cbseNotes)

Informatics Practices Syllabus (2017-18)


CBSE Class 11 Informatics Practices

CBSE Class 11 Informatics Practices - Syllabus (2017-18) (#cbseNotes)

Here presents the prescribed syllabus for Class 11 Informatics Practices for the curriculum 2017-18.


Wednesday, June 21, 2017

Tuesday, June 20, 2017

CBSE Class 12 - Computer Science - C++ Practical Class Design Snippet-3 (#cbseNotes)

C++ Practical
Class Design Snippet-3

CBSE Class 12 - Computer Science - C++ Practical Class Design Snippet-3  (#cbseNotes)

Question : Write a Program to define the classes PERSON, GAME and STUDENT & to access the essential data using multiple inheritance?


Answer:

CBSE Class 12 - Business Studies - Chapter 3 - Importance Of Business Environment (#cbseNotes)

Importance Of Business Environment

Class 12 - Business Studies

CBSE Class 12 - Business Studies - Chapter 3 - Importance Of Business Environment (#cbseNotes)

Question: What is the importance of Business Environment?


Answer:

① Identification of opportunities to get first mover advantage:
Understanding of business condition helps an association in recognizing favorable open doors and getting their advantages preceding rivals and ,competitors in this way receiving the rewards of being a pioneer. It helps the business enterprises for meeting the challenges successfully.


② Identification of threats:  
Correct and revised information of business environment causes an organisation to distinguish those dangers which may antagonistically influence its operations. For instance, Bajaj Auto made impressive enhancements in its  bikes when Honda and different MNCs entered the vehicle business.

NTSE Science Quiz - 25 (SAT 2016) (#ntseQuiz) (#scienceQuiz) (#cbseNotes)

NTSE Science Quiz - 25

(SAT 2016)

NTSE Science Quiz - 25 (SAT 2016) (#ntseQuiz) (#scienceQuiz) (#cbseNotes)

Q1: Cow has a special stomach as compared to that of lion in order to:

(a) absorb food in better manner
(b) digest cellulose present in the food
(c) assimilate food in a better way
(d) absorb large amount of water

Q2: Pancreas is composed of -

(a) Only exocrine cells
(b) Only endocrine cells
(c) Both exocrine and endocrine
(d) Nephron


Q3: Which one of the following animals is different from others is not having the parried gill pouches ?

(a) Whale
(b) Water snake
(c) Star fish
(d) Sea horse



Q4: Which of the following is a result of biological magnification ?

(a) Top level predators may be most harmed by toxic chemicals in environment
(b) Increase in carbon dioxide
(c) The green-house effect t will be most significant at the poles
(d) Energy is lost at each tropic level of a food chain