Directions: Read the following questions carefully and choose the correct answer from the given alternatives:
Q1. What was shown by the big T.V. Screen?
(a) An extinct animal
(b) A dot (c) A photograph
(d) None of the above
Ans: (b)
In the story "Vandana's Scientific Adventure," when Vandana switched on the big T.V. screen, it displayed a tiny dot. This dot was an important clue and part of the message sent by an alien spacecraft.
Q2. Which is the only planet where life exists till now?
(a) Sun
(b) Moon
(c) Mars
(d) Earth
Ans: (d)
Earth is the only planet known to support life until now. The story emphasizes the uniqueness of Earth as a planet with living organisms and compares it to other planets.
Q3. Who was the incharge of defence?
(a) Number two
(b) Number three
(c) Number one
(d) None of the above
Ans: (c)
In the story, Number one was in charge of defense and took the responsibility of handling the situation when the spacecraft from another planet approached Earth.
Q4. How many aircrafts were approaching our planet?
(a) one
(b) Two
(c) Three
(d) Four
Ans: (b)
Two aircraft were approaching our planet in the story. These aircraft were part of the alien spacecraft that came from another planet.
Q5. Where had the spacecraft come from?
(a) Earth
(b) Mercury
(c) Mars
(d) None of the above
Ans: (a)
The spacecraft came from Earth. The story unfolds the mystery of the alien spacecraft that was actually created and sent by Earth scientists as a part of the Viking Mission.
Q6. The Viking Mission found no signs of life on
(a) Mars
(b) Moon
(c) Earth
(d) None of the above
Ans: (a)
The Viking Mission, which was a real-life NASA mission to Mars, found no signs of life on the planet Mars. This is mentioned in the story as an interesting fact related to space exploration.
Q7. Where do Tillu and his parents live on a planet?
(a) Beneath the surface
(b) In a cave
(c) In a glasshouse
(d) None of the above
Ans: (a)
Tillu and his parents lived beneath the surface of their planet. They resided in an underground dwelling, which was an essential detail of their life on that planet.
Q8. What has Tillu never seen?
(a) Stars
(b) Sun and the stars
(c) Land
(d) Sun
Ans: (b)
Tillu had never seen the sun and the stars. Living beneath the surface of the planet, he had no direct view of the sky and celestial objects.
Q9. What bared Tillu’s way one day?
(a) Doorkeeper
(b) Tillu’s father
(c) A scientist
(d) A metal door
Ans: (b)
One day, Tillu's father barred his way. He did so to prevent Tillu from going out and taking risks while exploring the planet's surface without proper protection.
Q10. How did the door open?
(a) By slipping the magic card in a slot
(b) By someone
(c) By key
(d) Automatically
Ans: (a)
The door opened when Tillu slipped the magic card in a slot near the door. This was a unique mechanism to unlock and open the door to their dwelling.
Q11. Which creatures became extinct first?
(a) Animals
(b) Birds
(c) Fish
(d) Men
Ans: (b)
In the story, the birds were the first creatures to become extinct due to the pollution and environmental changes caused by humans. It highlights the importance of environmental conservation.
Q12. Sufficient power can be generated from .
(a) heat energy
(b) sound energy
(c) solar energy
(d) none of these
Ans: (c)
The story mentions that sufficient power can be generated from solar energy. This points to the potential of using renewable energy sources like solar power for various purposes.
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