Questions

Q:

The magnitude of the gravitational force will be equal to the _________.

 

A) product of mass and acceleration due to the gravitational force   B) ratio of mass and acceleration due to the gravitational force
C) ratio of acceleration due to the gravitational force and mass D) reciprocal of product of mass and acceleration due to the gravitational force  
 
Answer & Explanation Answer: A) product of mass and acceleration due to the gravitational force  

Explanation:
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Q:

Which is a green planet in the solar system?

A) Pluto B) Venus
C) Uranus D) Mars
 
Answer & Explanation Answer: C) Uranus

Explanation:

Uranus is the seventh planet from the Sun which looks green color. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn.

 

Which_is_a_green_planet_in_the_solar_system1558075325.jpg image 

 

Colors of other planets::

 

Mercury - Gray or slightly brownish

 

Venus - Pale yellow

 

Earth - Blue with white clouds

 

Mars - Mostly reddish brown

 

Jupiter - Orange and white bands

 

Saturn - Pale gold

 

Uranus - Green

 

Neptune - Pale blue

 

Pluto - Light brown

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Q:

Fill in the blank with the most appropriate option.

Plants that do not have a differentiated plant body belong to the group _____

A) Bryophyta B) Phanerogams
C) Thallophyta D) Pteridophyta
 
Answer & Explanation Answer: C) Thallophyta

Explanation:
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Q:

When an object is thrown vertically upwards, at its maximum height its _____________.

 

A) potential energy is zero B) momentum is maximum
C) kinetic energy is zero D) gravitational force is maximum
 
Answer & Explanation Answer: C) kinetic energy is zero

Explanation:
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Q:

The APGAR scale measures the

the apgar scale measures the

A) heart rate B) muscle tone
C) respiration D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

The Apgar score is a measure of a baby's condition after birth. Elements of the Apgar score include color, heart rate, reflexes, muscle tone, and respiration.

 

 

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Q:

Country completely surrounded by South Africa?

 

A) Kingdom of Lesotho B) Nagoya
C) Republic of Korea D) Osaka
 
Answer & Explanation Answer: A) Kingdom of Lesotho

Explanation:
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Q:

Which of the following statement(s) is/are CORRECT?

I. Acids are sour in taste and generate H+ ions.

II. Acids are sour in taste and generate OH– ions.

III. Bases are bitter intaste and generate OH– ions.

A) Only I and III B) Only I and II
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and III

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Filed Under: Chemistry
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Q:

Which of the following statements is/are correct?

1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves.

2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant.

3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant.

Select the correct answer using the code given below.

 

A) 1 only B) 1 and 2 only
C) 2 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All are correct. Gravitational waves don’t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world’s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.

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