Saturday, December 5, 2020

CBSE PORTAL : “(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –III (Classes 9 & 10)” plus 5 more

CBSE PORTAL : “(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –III (Classes 9 & 10)” plus 5 more

(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –III (Classes 9 & 10)

Posted: 04 Dec 2020 03:21 AM PST

(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –III (Classes 9 & 10)

Sample Paper LEVEL –III (Classes 9 & 10)

1) The passenger pigeon, dodo, and stegosaurus are examples of species that are no longer living on the earth. What term is used to describe these?

a) Extinct species
b) Active species
c) Volatile species
d) Threatened species

2) A highlight of the annual Earth Day ceremony at the United Nations is the ringing of the Peace Bell. Which country gifted this bell?

a) France
b) Japan
c) Sweden
d) India

3) Which branch under entomology deals with the scientific study of butterflies and moths?

a) Scientology
b) Apiology
c) Lepidopterology
d) Anthropology

4) When rain water comes in contact with the dry earth (containing a certain bacteria) it lets out a pleasant earthy odour. Which word is used to describe “this pleasant smell of rain”?

a) Nectar
b) Petrichor
c) Ambrosia
d) Dust

5) The Jog Falls located in Karnataka is one of the highest plunge waterfalls in India. Which river creates Jog Falls?

a) Sharavathi
b) Mandavi
c) Kalinadi
d) Gangavalli

6) ‘Limnology’ is a study of inland bodies of water and related ecosystems. Limnology divides lakes into three zones: littoral, photic, and profundal. Which of the following zones receives the least light?

a) Photic zone
b) Profundal zone
c) Littoral zone
d) Limnetic zone

7) The term ‘smog’ was first used in 1905 to describe the conditions of fog that contained soot or smoke in it. Smog is basically a combination of various gases with water vapour and dust. Which of the following persons used the word 'smog' for the first time?

a) H A Des Voeux
b) Oscar Auerbach
c) Robert O Becker
d) Robert M Jacobson

8) A “sink hole” is a natural depression or hole in the Earth’s surface underlain with soluble rocks. It may be referred to as a collapse of the ground into a void below caused by which one of the following?

a) Tunnelling
b) Water
c) Volcano
d) Earthquake

9) This book written by former US Vice President Al Gore in 2009 is the sequel to his famous documentary and book An Inconvenient Truth. Name the book.

a) Our Choice: A Plan to Solve the Climate Crisis
b) Earth in the Balance
c) The Riverkeepers
d) Climate Capitalism

10) This indicator is a measure of human demands on the Earth’s ecosystems. It represents the amount of biologically productive land and sea area necessary to supply the resources a human population consumes, and to assimilate associated waste. Identify the term given to this indicator.

a) Population footprint
b) Growth footprint
c) Sustainable footprint
d) Ecological footprint

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Answer : 1(a), 2(b), 3(c), 4(b), 5(a) 6(b), 7(a), 8(b), 9(a), 10(d)

Courtesy : Teri Green Olympiad

Papers

(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –II (Classes 6 & 8)

Posted: 04 Dec 2020 03:11 AM PST

(Papers) TERI GREEN Olympiad : Sample Paper LEVEL –II (Classes 6 & 8)

Sample Paper LEVEL –II (Classes 6 & 8)

1) According to Darwin’s theory of evolution, differences between species may be a result of which of the following?

a) The disuse of body structures
b) The transmission of acquired characteristics
c) Natural selection
d) Mutagenic agents

2) The place where an earthquake originates inside the earth is called its focus. What is the point on the earth’s surface vertically above the focus called?

a) Epicentre
b) Epix
c) Centre
d) None of the above

3) Mercury occurs naturally on the earth’s crust. It is released into the environment by volcanic activity, weathering of rocks, and also human activity. Which neurological disorder is caused by mercury poisoning?

a) Bright’s disease
b) Hiroshima disease
c) Minamata disease
d) Osteosclerosis

4. Which of the following best describes the geological formation of an aquifer?

a) Does not contain water
b) Contains water but does not transmit
c) Is a rock outcrop
d) Contains and transmits water

5. The Four Pests Campaign of China was initiated in 1958 as a hygiene campaign aimed at eliminating the four common pests, three of which were rats, flies, and mosquitoes. The extermination of the fourth had upset the ecological balance and enabled crop-eating insects to proliferate. Identify the fourth pest. 

a) Bees
b) Silkworm
c) Bedbugs
d) Sparrow

6. A rainforest has four layers. Which layer lies below the emergent layer?

a) Forest floor
b) Canopy
c) Under storey
d) There is no layer beneath the emergent layer

7. LED is an efficient semiconductor light source used as indicator lamps in many devices as well as in households, and for other lighting purposes. It is energy-efficient, durable, and long lasting. What does LED stand for? 

a) Light-emitting diode
b) Light-efficient diode
c) Light-energy diode
d) Light-emission diode

8. This ornamental invasive plant from South America has spread all over the globe because of human actions. The dense mats of this plant, which grows on fresh water bodies chokes out native vegetation and fish by reducing the dissolved oxygen content of the water. Which is this plant? 

a) Water Hyacinth
b) Water Lily
c) Lotus
d) Blue Iris

9. The “grey blanket” over Australia refers to the sporadic spread of a particular animal, which causes extensive agricultural damage to Australia every year. Which is this animal?

a) Rat
b) Rabbit
c) Kangaroo
d) Koala Bear

10. “Permafrost” is permanently frozen soil and occurs mostly in high latitudes storing a massive amount of a particular element. As a result of climate change, permafrost is at the risk of melting and releasing the stored element in the form of a gas. Identify the gas.

a) Ozone
b) Hydrogen
c) Nitrogen oxide
d) Carbon dioxide

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Answer : 1(c), 2(a), 3(c), 4(d), 5(d) 6(b), 7(a), 8(a), 9(d), 10(d)

Courtesy : Teri Green Olympiad

Papers

(Download) CBSE Class-12 Sample Paper And Marking Scheme 2018-19 : Bengali

Posted: 04 Dec 2020 02:36 AM PST

(Download) CBSE Class-12 Sample Paper 2018-19 :Assamese

Posted: 04 Dec 2020 02:32 AM PST

(Download) CBSE Class-12 Sample Paper 2018-19 : Assamese

Class: XII
Assamese-044
Sample Question Paper 2018-19                                                     


Click Here To Download Full Sample Paper

CBSE (Class XII) Previous Year Papers Printed Books

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Courtesy: CBSE

CBSE Board Class-XII
सीबीएसई बोर्ड कक्षा-12
AC and Refrigeration
Assamese
CBSE 12

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 : (Home Science)

Posted: 04 Dec 2020 02:26 AM PST

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 :

(Home Science)

Time: 3 Hrs. M.M.: 75
General Instructions: -

1. This question paper contains five sections A, B, C, D and E.
2. In every section choice question is given.
3. Questions No. 1 to 8 are of 1 mark each and to be answered in one word or one sentence each.
4. Questions No. 9 to 16 are of 2 marks each and to be answered in approximately 20-30 words each.
5. Questions No. 17 to 19 are of 3 marks each and to be answered in approximately 30-50 words each.
6. Questions No. 20 to 27 are of 4 marks each and to be answered in approximately 60-80 words each.
7. Questions No. 28 to 32 are 5 marks each and to be answered in approximately 80-120 words each.

SECTION-A (7x1=7)

Note- Attempt any 7 questions out of the given 8.

1. “The old age needs special care.” Justify this statement with the help of one example. 1
2. List any two common features of childhood. 1
3. What will you do if an article is excessively blued in colour? 1
4. Define food hygiene. 1
5. What do you understand by the term dovetailing? 1
6. What is RDA? 1
7. Why is it important to sterilize dustbin? 1
8. List any two factors affecting the safety of food at home. 1

SECTION-B (7x2=14)

Note- Attempt any 7 questions out of the given 8.

9. How does play influence physical development of a child? Explain with two examples. 2
10. Write any four ways of reducing psychological fatigue. 2
11. Explain any two reasons of saving money in our lives, to your younger sister. 2
12. How can you keep your kitchen free from pests? Write any four points. 2
13. Discuss any four points that you would consider while planning balanced diet for a family. 2
14. Expand FSSAI and draw its logo. 2
15. Define consumer education. List the names of any one government and one non-government agency, providing consumer education. 2
16. Write any four characteristics of Adulthood. 2

SECTION-C (2x3=6)

Note- Attempt any 2 questions out of the given 3.

17. Your mother has invited her friend for dinner. She wants to bring a variety in meals.Suggest any three ways of doing this to her. 3
18. Ms. Singh found holes in her silk saree which was stored in a box during summer season. Give three possible reasons for it. Write three precautions which we should take to avoid this problem. 3
19. What is the difference between Heavy, Moderate and Light work? Give one example of each. 3


Click Here To Download Full Sample Paper

Click Here To Download Full Marking Scheme

CBSE (Class X) Previous Year Papers Printed Books

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Courtesy:CBSE

CBSE Board Class-X
सीबीएसई बोर्ड कक्षा-10
Sample Paper
Home Science
Class-10

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 : (Information and Communication Technology)

Posted: 04 Dec 2020 02:25 AM PST

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 :

(Information and Communication Technology)

Time: 2 ½ Hrs. M.M.:40
General Instructions:

(i) The sample question paper consists of 16 questions.
(ii) All questions are compulsory; however internal choice has been given in few questions.

1. Multiple choice questions 5

a. Which of the following is not an input device?
i) Scanner
ii) Microphone
iii) Speaker
iv) Trackball
b. ___________ acts as the nerve centre that sends control signal to all other units.
i) Control Unit
ii) Software
iii) ALU
iv) Memory
c. Random Access Memory and Read Only Memory are examples of_______________.
i) Auxiliary Memory
ii) Primary Memory
iii) Secondary Memory
iv) Both primary and secondary memory
d. GIMP, Adobe Photoshop, Corel Draw, and Picasa are examples of _________softwares.
i) Spreadsheets
ii) Word Processors
iii) Desktop publishing
iv) Presentation
e. It allows a visited website to store its own information about a user on the user’s computer.
i) Spam
ii) Malware
iii) Cookies
iv) Adware
2. Aayush wants to send highly sensitive form data such as username and password which method out of GET/POST should he use to send the form data?
3. Define Shareware. 1
4. Identify the tools used for the following purpose:

a. To lighten the colours in an image.
b. To shift one part of an image, a layer, a selection or a path to a direction and the other part to the opposite direction.
5. What is the significance of System Software? 1
6. What does Open-source in Open- Source software mean? 1
7. Name any four tools used for Retouching an image in GIMP. 2
8. Write any four exclusive rights that a copyright owner possesses?
OR
What is a firewall? 2
9. Differentiate between Blur and Sharpen tool. 2
10. Write the CSS code to:
i. Apply 50px indentation to all text paragraphs marked with <p>.
ii. Make the text in the paragraphs marked with <p> tag “italics”.
OR
List the advantages of using CSS. 2
11. Explain the various values associated with “scrolling” attribute of FRAME tag. 3
12. Observe the following code carefully and answer the questions that follow:
<html>
<head>
<title>NETWORK SECURITY</title>
<style type="text/css">
li {
letter-spacing:10px ;
text-transform: lowercase;
}
</style>
</head>
<body> The Dos and Don’ts of network security
<ol>
<li> KEEP ANTI-VIRUS SOFTWARE UP TO DATE.</li>
<li> SAVE THE FILE TO COMPUTER OR A DISK.</li>
<li> RUN AN ANTI-VIRUS SCAN REGULARLY.</li>
</ol>
</body>
</html>


Click Here To Download Full Sample Paper

Click Here To Download Full Marking Scheme

CBSE (Class X) Previous Year Papers Printed Books

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Courtesy:CBSE

CBSE Board Class-X
सीबीएसई बोर्ड कक्षा-10
Sample Paper
Information Technology
Class-10
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