General Science - Online Test

Q1. What speed should a galaxy move with respect to us so that the sodium line at 589.0 nm is observed at 589.6 nm?
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. A cube-shaped permanent magnet is made of a ferromagnetic material with a magnetization M of about The side length is 2 cm. Magnetic dipole moment of the magnet is.
Answer : Option B
Explaination / Solution:
No Explaination.


Q3. Which of the following are also called lungs of our planet?
Answer : Option D
Explaination / Solution:

The Amazon in South America is the largest, most diverse tropical rainforest on Earth, covering an area of five and a half million square kilometres. The Amazon rainforest functions as a giant air machine that absorbs a large amount of carbon dioxide, and produces oxygen. That is why it is often called the "Lungs of the Earth.

Q4. The correct name of the compound [Cu(NH3)4](NO3)2is
Answer : Option C
Explaination / Solution:

Tetraamminecopper(II)nitrate is [Cu(NH3)4](NO3)2
Q5. Following conversion in forward and backward directions is regulated as : Blood calcium Bone calcium
Answer : Option C
Explaination / Solution:

Thyrocalcitonin (TCT) influence the metabolism of calcium inside the body. Parathyroid hormone (PTH) absorption of calcium in bone.

Q6. The resistance of a conductivity cell containing 0.001M KCl solution at 298 K is 1500 Ω. What is the cell constant if conductivity of 0.001M KCl solution at 298 K is 0.146 × 10–3 S .
Answer : Option D
Explaination / Solution:

Κ= G x cell constant and G= 1/R.

Q7. Air bladder is absent in
Answer : Option B
Explaination / Solution:

Air bladder is absent in chondrichthyes that help in floating in water.

Q8. One of the functions of commercial l banks among the following is
Answer : Option C
Explaination / Solution:
No Explaination.


Q9. An N-type Ge is obtained on doping the Ge- crystal with
Answer : Option C
Explaination / Solution:

The addition of pentavalent impurities such as antimony, arsenic or phosphorous contributes free electrons, greatly increasing the conductivity of the intrinsic semiconductor.

Q10. Commodities which show considerable price fluctuations could be best measured by a…………….
Answer : Option B
Explaination / Solution:
No Explaination.