General Science - Online Test
Q1. Top most country in HDI ranking is
Answer : Option A
Explaination / Solution:
The Human Development Index (HDI) is a composite statistic of life expectancy, education, and income per capita indicators. A country scores higher HDI when the life expectancy at birth is longer, the education period is longer, and the income per capita is higher.
Q2.
Which phase of meiosis in animal cell is shown in figure given below?
Answer : Option B
Explaination / Solution:
In diakinesis phase of prophase of meiosis I terminalisation of chismata takes place which is visualized in picture.
Q3. Pt and Pd adsorb large volume of hydrogen under specific conditions. The hydrogen so adsorbed is called
Answer : Option D
Explaination / Solution:
Adsorption of hydrogen by metal like Pt is occlution and hydrogen is known as occluded hydrogen.
Q4. Eight dipoles of charges of magnitude e are placed inside a cube. The total electric flux coming out of the cube will be
Answer : Option C
Explaination / Solution:
On all the dipoles net charge=0 so theotal electric flux coming out of the surface
Q5. Two wires of diameter 0.25 cm, one made of steel and the other made of brass are loaded as shown in Figure The unloaded length of steel wire is 1.5 m and that of brass wire is 1.0 m. Compute the elongation of the steel wire.
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. The particles used to coat with DNA in Biolistic gun is of
Answer : Option B
Explaination / Solution:
DNA is coated with tungsten before used in biolistic gun for inserting the DNA directly into target cells for obtaining particular protein.
Q7. All of the following organs help in excretion except :
Answer : Option B
Explaination / Solution:
Lungs help in excretion of carbon dioxide, liver help in excretion of toxic substance and skin help in removal of extra salts along with sweat. Heart is the organ that pumps the blood in body.
Q8. Two cylinders A and B of equal capacity are connected to each other via a stopcock. A contains a gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stopcock is suddenly opened. Do the intermediate states of the system (before settling to the final equilibrium state) lie on its P-V-T surface?
Answer : Option C
Explaination / Solution:
Pressure and volume will be changed.
Q9. What was the mixture of gases used in chamber marked A?
Answer : Option C
Explaination / Solution:
The gases used in Urey and Miller experiment in chamber marked A are Methane , ammonia , hydrogen , and water
Q10. Density of a gas is found to be 5.46 at 27 at 2 bar pressure. What will be its density at STP?
Answer : Option A
Explaination / Solution:
3g/
