1. Consider the following statements.
1. LEDs function solely through
movement of electrons.
2. LEDs can effectively be powered
by solar panels.
(a) Only
(1) is true
(b) Only
(2) is true
(c) Both
(1) & (2) are true
(d)
Neither (1) Nor (2) is true
2. Consider the following.
I. Parts of Antarctica
II. Atacama Desert in Chile
III. Volcanic slopes of Hawaii
Which of the above areas have
environments and landforms similar in composition to that of Mars.? .
(a) I and III
(b) I, II and III
(c) I and II
(d) None of these
3. Where is “Olympus Mons”?.
(a) Mars
(b) Earth
(c) Saturn
(d) Kuiper Belt
4. Match the following
|
Holi Colours
|
Metals
|
| 1. Blue | A. Iron |
| 2. Red | B. Mercury |
| 3. Green | C. Copper |
| 4. Purple | D. Chromium |
(a) 1 –A, 2-B, 3-C, 4-D
(b) 1 –D, 2-B, 3-C, 4-A
(c) 1 –C, 2-B, 3-A, 4-D
(d) 1 –B, 2-C, 3-A, 4-D
5. What
is “Henneguya salminicola” that was in news recently?
(a) A
novel living being found in Mars
(b) An
endangered Himalayan tree
(c) An
extinct mammal
(d) None
of these
Answers
1. (c)
https://indianexpress.com/article/explained/explained-behind-nobel-chemistry-of-mobile-batteries-6061400/
https://vigyanprasar.gov.in/wp-content/uploads/dream-feb-2020-eng.pdf
2. (b)
https://www.nasa.gov/vision/earth/everydaylife/mars.html
https://indianexpress.com/article/technology/science/atacama-desert-may-hold-clues-to-alien-life-on-mars-study-5080501/
https://indianexpress.com/article/technology/science/oldest-meteorite-collection-on-earth-discovered-in-chile-5746807/
3. (a)
https://solarsystem.nasa.gov/planets/mars/in-depth/
4. (a)
https://indianexpress.com/article/lifestyle/life-style/holi-2017-artificial-colours-for-the-skin-happy-holi-colours-4555435/
https://indianexpress.com/article/cities/chandigarh/organic-colours-a-big-hit-this-holi-chandigarh-shopkeepers-5636791/
5. (d)
https://indianexpress.com/article/explained/what-is-henneguya-salminicola-6289506/
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