Mercury is closer to the Sun than the Venus. But Venus is hotter than Mercury. Which of the following statements supports this?
Mercury has no atmosphere and Venus has a thick atmosphere which can retain the heat.
Mercury is mostly made up of sedimentary rocks while Venus contains igneous rocks.
Mercury being closer to the sun, Sun abosrbs the heat of the Mercury.
All the above.
Which of the following statements is correct about man-made satellites?
I. They are launched into space using rockets.
II. They revolve around the Earth.
III. They can be used to forecast weather
I only
II only
I and II only
I, II and III
The time in between observing a new moon and a full moon is
One week
Two weeks
Three weeks
Four weeks
How long does it take for the earth to complete one rotation about its own axis?
1 year
1 month
12 hours
24 hours
Saptarishi constellation seems to resemble a
Hunter
Scorpion
Bear
Cow
The only planet with life in solar system is
Moon
Sun
Mars
Earth
Which of the following planets is closest to the earth?
Venus
Jupiter
Mercury
Pluto
Which of the following events is not caused by the rotation of earth about its own axis?
Cycle of day and night
Cycle of phases of moon
Sunflower turning to face the sun in the day
The leaves of the rain tree closing every evening
Which of the following graphs most probably represents the temperature changes on a hot and clear day in Delhi between 6 am and 6 pm?
