Click 👉 Questions and Answers: Unit 8: Science and Technology - Life on Mars
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Use of English/Grammar Exercise
Unit 8: " Science and Technology"
The Lesson - Life on Mars
(National Book Foundation - New Book/New Syllabus Based on Single National Curriculum Pakistan 2024-2025 and Onwards)
Define the underlined word
1. These missions will incorporate cutting-edge biotechnology designed to detect individual molecules.a. fossils b. new erac. latest or most advanced stage d. old technology
2. A Martian meteorite fueled speculation and debate in 1996.a. forming of a theoryb. investment in stockc. problematicd. sure thing
3. Scientists found that the rock, called ALH84001, had a peculiar chemical makeup.a. commonb. funnyc. unique d. distinctive
4. In recent months, they've made a series of astonishing discoveries. a. extremely surprising or impressive b. big eventc. insignificantd. boring
5. The evidence wasn't absolute proof of past Martian life but rather pointers in that direction.a. flexibleb. partialc. establishedd. indefinite
Statements from the article
Give the meaning of the statements (Deductive skills)
a
Some 75 percent of the scientists said "they thought life once existed there". And of them, 25 percent think that 'Mars harbors life today’.
The statement means that 75 percent of scientists believe that life existed there in the past, and 25 percent believe that life exists today
b
"We believe that these are indeed microfossils from Mars", McKay said, adding that the evidence wasn't "absolute proof” of past Martian life but rather "pointers in that direction".
McKay said that microfossils are not absolute proof that life existed on Mars, it just gives a hint.
c
For life to exist on Mars, there must be liquid water. There is plenty of water on Mars, but most of it is frozen in the polar ice caps and buried.
Water is needed for life to exist on Mars, but the water that exists on Mars is in frozen form.
d
Several different chemicals and Molecular structures were exciting because they looked similar to byproducts of life on Earth. However, life. these chemicals and structures can also be created without life.
The molecular structure looked similar to byproducts of life on the but they can also be created without life.
Use of Language:
| Statements from the article | Give the meaning of the statements (Deductive skills) |
a | Some 75 percent of the scientists said "they thought life once existed there". And of them, 25 percent think that 'Mars harbors life today’. | The statement means that 75 percent of scientists believe that life existed there in the past, and 25 percent believe that life exists today |
b | "We believe that these are indeed microfossils from Mars", McKay said, adding that the evidence wasn't "absolute proof” of past Martian life but rather "pointers in that direction". | McKay said that microfossils are not absolute proof that life existed on Mars, it just gives a hint. |
c | For life to exist on Mars, there must be liquid water. There is plenty of water on Mars, but most of it is frozen in the polar ice caps and buried. | Water is needed for life to exist on Mars, but the water that exists on Mars is in frozen form. |
d | Several different chemicals and Molecular structures were exciting because they looked similar to byproducts of life on Earth. However, life. these chemicals and structures can also be created without life. | The molecular structure looked similar to byproducts of life on the but they can also be created without life. |
1. Complete the following sentence using an appropriate conjunction.
2. Combine the pairs of sentences using the conjunction given in the brackets and rewrite them.
a. I was unwell. I had to work. (even though)Ans: I was unwell even though I had to work.
b. They joined the party. They weren't invited. (although)Ans: They joined the party although they weren't invited.
c. Omer studied very hard. He won't fail the exam. (so that) Ans: Omer studied very hard so that he won't fail the exam.
d. We tried calling you. You never receive the call. (but) Ans: We tried calling you but you never receive the call.
e. You can go. You finish the work. (when)Ans: You can go when you finish the work.
f. They don't stay here. They left last summer. (since) Ans: They don't stay here since they left last summer.
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Summary of poems:
Central Ideas of poems:
Paraphrasing of poems:
Source: English Book (National Book Foundation, Pakistan)
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