Q.3. Discrete Aurora’ often in news, related to :
A. Earth
B. Jupiter
C. Mercury
D. Mars
A. Earth
B. Jupiter
C. Mercury
D. Mars
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Q.1. In 2006, International Astronomical Union (IAU) defines criteria to classify any object as a planet.
Which among the following is correct in this context :
1. It needs to be in orbit around any fully fledged star.
2. It needs to have enough gravity to pull itself into a spherical shape.
3. It needs to have atleast one moon orbiting around it.
4. It must be bigger than earth in size
Which among the following is correct in this context :
1. It needs to be in orbit around any fully fledged star.
2. It needs to have enough gravity to pull itself into a spherical shape.
3. It needs to have atleast one moon orbiting around it.
4. It must be bigger than earth in size
Select the correct code :
Anonymous Quiz
38%
A. 1, 2 Only
21%
B. 2 and 3 Only
37%
C. 1,2 and 3 Only
4%
D. 2,3 and 4 only
Q.2. Recently, the scientific community has shown a growing interest in studying asteroids. Why do we study asteroids?
Select the most appropriate answer :
A. They have not changed much in billion yrs.
B. They are small in size
C. They are nearest to us
D. They can strike earth
Select the most appropriate answer :
A. They have not changed much in billion yrs.
B. They are small in size
C. They are nearest to us
D. They can strike earth
Q.3. In recent times, Scientists are working on making a device which could create artificial gravity in space.
Which among the following is incorrect in this context :
1. Artificial gravity is a force that simulates the effect of gravity in a spaceship.
2. It is caused by the attraction to the Earth.
3. Artificial gravity is based upon centripetal force in a rotating frame of reference.
Which among the following is incorrect in this context :
1. Artificial gravity is a force that simulates the effect of gravity in a spaceship.
2. It is caused by the attraction to the Earth.
3. Artificial gravity is based upon centripetal force in a rotating frame of reference.
Select the correct code :
Anonymous Quiz
13%
A. 1, 2 Only
23%
B. 2 and 3 Only
44%
C. 1 and 3 Only
20%
D. All of the above
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Q.1. Consider the following statements regarding features of Geostationary orbit :
1. Angular velocity of the satellite is equal to angular velocity of earth
2. Period of rotation is equal to period of revolution of earth
3. A subset of geosynchronous orbit
4. There is only one geostationary orbit.
5. Nearly at an altitude of 36000 Km from the center of earth.
1. Angular velocity of the satellite is equal to angular velocity of earth
2. Period of rotation is equal to period of revolution of earth
3. A subset of geosynchronous orbit
4. There is only one geostationary orbit.
5. Nearly at an altitude of 36000 Km from the center of earth.
How many of the above statements is/are correct :
Anonymous Quiz
10%
A. Only
47%
B. Only 3
27%
C. Only 4
16%
D. All 5
Q.2. Consider the following statements regarding Nano fertilizer :
1. These made with nanoparticles or uses nanotechnology to improve nutrient efficiency.
2. A reduction in particle size of a fertilizer results in decreased surface/volume ratio per unit weight.
3. They are more pocket-friendly than its conventional counterpart
1. These made with nanoparticles or uses nanotechnology to improve nutrient efficiency.
2. A reduction in particle size of a fertilizer results in decreased surface/volume ratio per unit weight.
3. They are more pocket-friendly than its conventional counterpart
How many of the above statements are correct ?
Anonymous Quiz
12%
A. Only one
50%
B. Only two
36%
C. All three
3%
D. None
Q.3. Consider the following statements regarding impact of microgravity :
1. It is a condition where gravity seems to be very small.
2. Astronauts can float in their spacecraft - or outside, on a spacewalk.
3. Developing foetus is likely to sit high up in the mother’s womb in microgravity
1. It is a condition where gravity seems to be very small.
2. Astronauts can float in their spacecraft - or outside, on a spacewalk.
3. Developing foetus is likely to sit high up in the mother’s womb in microgravity
How many of the above statements are correct ?
Anonymous Quiz
10%
A. Only one
48%
B. Only two
39%
C. All three
2%
D. None