12th English Core Vistas 3. JOURNEY TO THE END OF THE WORLD

12th English Core Vistas 3. JOURNEY TO THE END OF THE WORLD

 12th English Core Vistas 3. JOURNEY TO THE END OF THE WORLD

प्रश्न बैंक - सह - उत्तर पुस्तक (Question Bank-Cum-Answer Book)

Class - 12

English Core

Vistas 3. JOURNEY TO THE END OF THE WORLD

QUESTIONS:-

1. What happened to Gondwana 150 million years ago?

Ans. Before 150 million years ago Gondwana was a giant amalgamated southern supercontinent. India and the Antarctica were part of the same landmass. Then the landmass was forced to separate into countries.

2. How do geological phenomena help us to know about the history of humankind?

Ans. Geological phenomena certainly help us to know about the history of humankind. A giant southern supercontinent-Gondwana did exist 650 million years ago. The climate was much warmer. It had a huge variety of flora and fauna. Gondwana thrived for 500 million years. Finally, it broke to separate countries as they exist today. It was the stage when dinosaurs were wiped out and the age of mammals started.

3. What are the indications for the future of humankind?

Ans. Rapid human population growth and limited resources exert pressure on land. Burning of fossil fuels has only helped in increasing the average global temperature. Melting of ice-caps, depletion of the ozone layer and global warming are the real and immediate dangers for mankind. They will affect the lives of all the marine animals and the birds of the region.

4. Why is a visit to Antarctica important to realise the effect of global warming?

Ans. Antarctica is the perfect place to study the effects that global warming is causing. It is here that one can see the effect of melting glaciers and collapsing ice-shelves and how this is likely to raise the water levels in the sea and the ocean, as a result of which many low lying regions will be submerged under water.

5. Why is Antarctica the place to go if we want to study the earth's past, present and future?

Ans. The Antarctica landmass, that was an amalgamated southern supercontinent called Gondwana dates back to 650 million years. It can help us better understand the formation of continents and mountains like the Himalayas as they are in the modern world. Its ice-cores hold over half-million-year old carbon records that are vital to study the Earth's past, present and future.

6. What are the reasons of increasing the average global temperature or the global warming?

Ans. The increase in human population has given birth to innumerable villages, towns, cities and megacities. The burning of fossil fuels has polluted the atmosphere. It has created a blanket of carbon dioxide around the world. It is slowly but surely increasing the average global temperature. Global warming has given birth to many climatic changes.

7. Why is Antarctica the perfect place to study changes in the environment?

Ans. Antarctica is the perfect place to study changes in the environment. These little changes can have big climatic repercussions. It has a very simple eco-system. It lacks biodiversity. The study of the microscopic phytoplanktons is very interesting. Scientists warn that a further depletion of the ozone layer will affect the lives of all sea animals and birds of the region. It will also affect the global carbon cycle.

8. How do phytoplankton sustain and nourish the entire Southern Ocean's food chain?

Ans. Phytoplankton are microscopic single-celled plants that use the sun's energy to absorb and synthesize organic compounds in the photosynthesis, thereby sustain and nourish the entire Southern Ocean's food chain.

9. The world's geological history is trapped in Antarctica. How is the study of this region useful to us?

Ans. The world's geological history is trapped in Antarctica. Antarctica is the coldest, driest and windest continent in the world. There was a time when India and Antarctica where parts of same landmass. 650 million years ago there existed a joint amalgamated southern supercontinent called Gondwana. This landmass centered around present-day Antarctica. Human beings did not exist as their civilization is only 12,000 years old. The climate at that time was warm and landmass flourished with a vast variety of flora and fauna.

The study of this region shows that Gondwana prospered for 500 million years. But then the dinosaurs got wiped out and mammals began to appear. The landmass disintegrated into countries and India, the Himalayas and South America were formed. This left Antarctica frigid at the bottom of the earth. Today, it stores the key to the significance of cordilleran folds and pre- Cambrian granite shields, ozone and carbon layers as well as a study of the evolution and extinction. This can help us to understand in a better way the formation of continents and mountains like the Himalayas as we find them in the modern world. Its ice-folds hold over half-million-year-old carbon records that are so crucial for the study of the Earth's past, present and future. Hence, the study of Antarctica helps us and knowing the geological history of the world.

10. How was the programme, 'Students on Ice' an attempt to equip future generations with knowledge to save Earth?

OR

What are Jeoff green's reason for including high school students in the students on Ice expedition?

Ans. The objective of the 'Students on Ice' programme was to take the high school students to the limits of the world and provide them with inspiring opportunities in education to enable them to understand and respect our planet.

According to Geoff Green, the High School students are the future policy-makers and through this programme they would be able to save this planet from the ecological hazards and the harmful effects of global warming. Antarctica, with its simple ecosystem and lack of biodiversity, is the perfect place to study how little changes in the environment can have major repercussions. Here they can see glaciers retreating and ice shelves collapsing. The school students' impressionable minds can study and examine the Earth's past, present and future by their voyage to Antarctica.

11. Why is Antarctica the place to go to, understand the earth's present past and future?

Ans. Antarctica is a part of the earth's past history. We come to know that about 650 million years ago there was a giant super-continent in the south. It wa called Gondwana. India and the Antarctica were parts of the same landmass Gondwana. Things were quite different then. Humans hadn't yet arrived on the earth. The climate of Antarctica was much warmer. It had a huge variety of flora and fauna Dinosaurs became extinct. The age of mammals started. The landmass was forced in to be separated into countries as they exist today.

The study of Antarctica can also help us to understand the earth's present and future as well. About 90 per cent of the earth's total ice volumes are stored in Antarctica There are no trees, buildings and human settlements in Antarctica. We lose all earthly sense of perspective and time here. Antarctica also provides a warning for the future What will happen if the global warming results in constant melting of icebergs? It will bring disastrous results. The further depletion of the ozone layer will affect sea animals, vegetation and humans very adversely.

12. Describe Tishani's journey to the end of the earth-the Antarctica region and his experiences during that journey. Particularly, highlight the success of 'Students on Ice' programme of Geoff's Green.

Ans. The narrator boarded a Russian research ship the 'Akademik Shokalskiy'.She was heading towards the coldest, driest and windiest continent in the world- Antarctica. Her journey began 13.09 degrees north of the Equator from Madras. She had to cross nine time-zones, six checkpoints, three bodies of water and at least three ecospheres. She travelled for over 100 hours.

The author spent two weeks in a place where 90 per cent of the earth's total ice volume is stored. There were no trees, no billboards or buildings. She lost all earthly sense of perspective and time.

'Students on Ice' programme of Geoff Green was quite successful. The aim of the programme was to take high school students to the ends of the world. It provided them inspiring educational opportunities. They could develop a new understanding and respect for their planet. The most thrilling experience of the narrator was his walking on the ocean.

OBJECTIVE QUESTIONS:

Q1. Name the program which aimed to take high school students to the end of the world?

(a) The author's delight

(b) Geoff Green's 'Students on Ice' programme

(c) Teachers delight

(d) School programme

Q2. What is the aim of The Journey to Antarctica?

(a) to know the geography more closely

(b) world tour

(c) to sensitize the young minds towards climatic change

(d) to see the beauty of the earth

Q3. The lesson Journey to the end of the Earth revolve around

(a) children and their tour

(b) tourism

(c) It revolves around the world

(d) world's most preserved place, Antarctica

Q4. When do you know that the threat of global warming is very real?

(a) when you see the seals on ice floes

(b) when you see the austral light

(c) When you see glaciers retreating and ice shelves collapsing

(d) All of the above

Q5. What caused disturbance to the silence of the continent?

(a) the humans

(b) Avalanches

(c) The birds

(d) the animals

Q6. What is the figure of speech used in the line, "It's like walking into a giant ping-pong ball"?

(a) Metaphor

(b) Alliteration

(c) Pun

(d) Simile

Q7. The author's first emotion on facing Antarctica's expansive white landscape was

(a) wonder

(b) relief

(c) shock

(d) disbelief

Q 8. Antarctica has been described as:

(a) coldest, driest, windiest

(b) hottest and inhabitable.

(c) thriving with all sorts of life

(d) All of the above

Q9. If we want to know our earth, the human race and its past, present, and future where should we go?

(a) Northern Pole

(b) Southern Pole

(c) Gondwanal

(d) Antarctica Continent

Q 10. How do geographical phenomena help us?

(a) how small changes cause big things to happen

(b) it makes us study

(c) it helps us to watch everything closely

(d) none

Q 11. Which program was a life changing program?

(a) Tour and Travels

(b) Know Antarctica

(c) Know your earth

(d) Students on Ice

Q 12. Where is the world's geological history trapped?

(a) on southern pole

(b) On Northern Pole

(c) on Asia Continent

(d) On Antarctica Continent

Q 13. Where does 90% of earth's total ice exist?

(a) Pacific region

(b) Southern oceans

(c) Northern pole

(d) Antarctica Continent

Q 14 What are the reasons for increasing global temperatures?

(a) cutting of trees

(b) human activities

(c) increasing pollution

(d) All of these

Q 15. What is phytoplankton?

(a) Oceans

(b) Southern oceans

(c) Microscopic grasses

(d) None

Q 16. Why was the programme 'Students on Ice' a great success?

(a) because of its arrangements

(b) good travel facilities

(c) good food arrangements

(d) because of the life changing exposure to the youngsters

Q 17. The narrator was aboard on the ship named?

(a) World carrier

(b) Academic Discovery

(c) Akademik Shokalskiy

(d) Denim Explorer

Q 18. Which program was the author a part of?

(a) Tour Program

(b) Research Programme

(c) Students on Ice Program

(d) None

Q 19. Gondwana existed roughly around

(a) 110 million years ago

(b) 450 million years ago

(c) 250 million years ago

(d) 650 million years ago

Q 20. How many years back were India and Antarctica part of the same landmass?

(a) 100 million years back

(b) 650 million years ago

(c) 200 million years ago

(d) 400 million years ago

JCERT/JAC Hindi Elective प्रश्न बैंक - सह - उत्तर पुस्तक (Question Bank-Cum-Answer Book)

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