General Science - Online Test

Q1. Two cells of 1.25 V and 0.75 V are connected in series with anode of one connected to anode of the other . The effective voltage will be
Answer : Option B
Explaination / Solution:

The cells are in opposition. 
Q2. Oscillatory motion is best described by
Answer : Option A
Explaination / Solution:

In oscillatory motion object moves to and fro about mean position periodically or after a particular interval of time.All oscillatory motions are periodic in nature.

Q3. Which of the following is correct:
Answer : Option C
Explaination / Solution:

Net primary productivity (NPP) is equal to Gross primary productivity (GPP) minus Respiration loss (R). NPP is the available biomass for the consumption of heterotrophs in the ecosystem.

Q4. Which of the following represents chelating ligand?
Answer : Option C
Explaination / Solution:


Q5. The propagation of light is best described by,
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. Hydrogen is the first element in the periodic table and has resemblance to alkali metals as well as with halogens. However, its placement in the periodic table has been a subject of discussion in the past. Currently hydrogen is placed in which group?
Answer : Option A
Explaination / Solution:

H properties matches with alkali metal as well as halogens so it is placed separately

Q7. The superiority of the hybrid over either parent in one or more traits is
Answer : Option D
Explaination / Solution:

Heterosis, hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in a hybrid offspring. The adjective derived from heterosis is heterotic Hybrid obtained from two different plants have one or more traits superior than either of parents.

Q8. Which of the following statements about bar magnets is correct ?
Answer : Option D
Explaination / Solution:

As magnetic monopole does not exist. If we split the bar magnet into two pieces each part will have its own north and south pole.

Q9. Galvanic or a voltaic cell converts the chemical energy liberated during a redox reaction to
Answer : Option D
Explaination / Solution:

Galvanic cells convert chemical energy to electrical energy.

Q10. Biodiversity is most frequently quantified as
Answer : Option D
Explaination / Solution:

Biodiversity is the presence of diverse kinds of living organisms in a particular habitat. It is most frequently quantified as number of species in particular geographical region.