General Science - Online Test
Q1. Cell organelles with single membrane is
Answer : Option C
Explaination / Solution:
Lysosomes are single membrane structures containing enzymes for digestion of all types of macromolecules.
Q2. An advertising manager is keen to know whether his advertising copy will be successful. He can have a preview screening and listen to the comments of experts. It is an example of
Answer : Option C
Explaination / Solution:
Because the manager is collecting data personally from the informants
Q3. Reasons for environmental crisis is
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. DNA sequence that code for protein are known as
Answer : Option D
Explaination / Solution:
Exons are coding sections of an RNA transcript, or the DNA encoding it, that are translated into protein. Exons can be separated by intervening sections of DNA that do not code for proteins, known as introns.
Q5. A cylinder floats vertically in a tank full of water. The period of oscillation of the cylinder when depressed and released is dependent on
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. Ni2+ in traces can be tested using
Answer : Option B
Explaination / Solution:
Ni forms complex with DMG which is red in color.
Q7. Elements of which of the following group(s) of periodic table do not form hydrides.
Answer : Option C
Explaination / Solution:
Elements of group 7, 8, 9 of d – block do not form hydrides at all. This inability of metal, of group 7, 8, 9 of periodic table to form hydrides is referred to as hydride gap of d – block.
Q8. The “hidden hunger” is due to
Answer : Option D
Explaination / Solution:
If a person get food that do not contain all micronutrient, protein and vitamins in required amount as per age, sex, working condition, this condition is called hidden hunger.
Q9. A closely wound solenoid of 2000 turns and area of cross-section , carrying a current of 4.0 A, is suspended through its centre allowing it to turn in a horizontal plane. What is the magnetic moment associated with the solenoid?
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. In a Young’s double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the central bright fringe and the fourth bright fringe is measured to be 1.2 cm. Determine the wavelength of light used in the experiment
Answer : Option D
Explaination / Solution:
No Explaination.
