Q. Which of the following is the reason behind the faster travel of information in a fiber optic cable than copper wire?
1) Fiber optic cable is thinner than copper wire
2) Fiber optic cable experiences no electromagnetic interference
3) Fiber optic cable is made up of silica
4) In the fiber optic cable pulses of light is used
Q. Which of the following statements is incorrect about the 'Mercury'?
1) It is a naturally occurring chemical element found in rock in the earth's crust.
2) It is used in thermometers, flourescent light bulbs and some electrical switches.
3) The people are exposed to mercury by eating pork which has high levels of methylemercury, a highly toxic form of mercury
4) Coal based thermal power plants are the largest source of mercury emissions
Q. Which of the following sites do 'Not' have a nuclear power plant?
1) Vijayawada
2) Naraura
3) Tarapur
4) Rawat Bhata
Q. What is the name of the proposed Indian mission to be sent by ISRO to study the Sun?
1) Aditya - L1
2) Savitri Mission - 1
3) Suryakiran - 1
4) More than one of the above/None of the above
Q. What name has ISRO given to the rover sent with the Chandrayaan-3 mission?
1) Pragyan
2) Gyan Ganga
3) Vikram
4) More than one of the above/None of the above
Q. What is Bryology?
1) Study of food
2) Study of fruit
3) Study of mosses and liverworts
4) Study of rings
Q. Oncology is the study of -
1) Birds
2) Cancer
3) Mammals
4) Soil
Q. Consider the following statements about moon missions -
I. Russia has launched Luna 25, the country's first lunar lander in 47 years.
II. Russia's Luna-25 mission ended in disappointment as the spacecraft crashed on the Moon.
III. Only three countries have managed successful moon landings the Soviet Union, the United States, and China.
How many statements given above is are correct?
1) Only 1
2) Only 2
3) All the 3
4) None of the above
Q. Which of the following statements is/are correct about Lithium-ion batteries?
I. Lithium-ion (Li-ion) battery has one of the highest energy densities of any battery technology today (100-265 Wh/kg or 250-670 Wh/L).
II. Li-ion battery cells can deliver up to 3.6 Volts, 3 times higher than technologies such as Ni-Cd or NiMH.
The correct code is -
1) Only I
2) Only II
3) Both I and II
4) Neither I nor II
Q. LK-99 was in the news. What is it?
1) A room temperature superconducting material
2) Newly developed assault rifle
3) Light Combating aircraft
4) A micro planet
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