General Science - Online Test
Q1. The upright posture in humans is facilitated by :
Answer : Option D
Explaination / Solution:
The upright posture in human is facilitated by massive hind limbs bones that makes broad feet and pelvis to with hold the weight of whole body.
Q2. Dolly sheep was produced due to property of the cells called as
Answer : Option D
Explaination / Solution:
The cells of embryo are totipotent that means that they have ability to produce whole new organism form single cell. Dolly sheep was produced due to property of totipotency.
Q3. Assign oxidation number to S in
Answer : Option D
Explaination / Solution:
Oxidation state of S in KAl(SO4)2 is +6
Q4. The percentage of ratio of natality over mortality is called
Answer : Option B
Explaination / Solution:
Natality is the total number of new population added into existing population by birth on the other hand mortality means no of death in a particular geographical area or population. The ratio of natality and mortality is called vital index.
Q5. State which one of the following is true .
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. If the dielectric constant and dielectric strength be denoted by K and X respectively, then a material suitable for use as a dielectric in a capacitor must have
Answer : Option D
Explaination / Solution:
The capacitance of a capacitor increases with increase in the value of dielectric constant. =K C. Dielectric strength is the maximum electric field the material can withstand without breaking down. A high value of X and a high value of K is preferable for use in capacitors.
Q7.
Consider the chemical reaction gven as ,
-----CO (g) + ----- (g) → ----- (l) + ----- .
This equation can be balanced by inserting the following in blank spaces
Answer : Option B
Explaination / Solution:
The balanced equation for the given equation is ,
hence , the coefficients ( 8 ,17 , 1, 8 ) are inserted on blank spaces ( from LHS to RHS )
Q8. At what point does total utility starts diminishing?
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. Which of the following turns lead acetate paper black?
Answer : Option D
Explaination / Solution:
Pb2++S2−→PbS(black)
Q10. In an orbital motion, the angular momentum vector is
Answer : Option D
Explaination / Solution:
Hence direction of angular momentum is perpendicular to both and that is perpendicular to the orbital plane.
