General Science - Online Test
Q1. Phytoplanktons are the members of;
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. Part of brain that acts as relay centre to receive and transmit general sensations except smell :
Answer : Option A
Explaination / Solution:
Thalamus is the part of brain that acts as relay centre to receiveand transmit general sensations except smell. Thalamus is located in the forebrain superior to the midbrain.
Q3. For an ideal gas the coefficient of volume expansion at constant pressure is
Answer : Option B
Explaination / Solution:
γ=ΔVVΔTPV=nRTV=nRTPPΔV=nRΔTΔV=nRΔTPγ=nRΔTPnRTP×1ΔT=nRΔTP×PnRT×1ΔT=1T
Q4. opportunity cost is the
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. Avogadro's constant is the number of entities ( viz. atoms , molecules or ions ) present in ------------- mole of a substance.
Answer : Option B
Explaination / Solution:
Avagadro's constant represents the number of entities ( viz, atoms , molecules or ions ) present in 1 mole of a substance .
The constant ( denoted by N )
=6.022 x 1023
Q6. In cold places, vegetables, fruits and flowers are grown in glass covered areas called green houses. This is because of one or more of the following. Choose the most appropriate :
Answer : Option D
Explaination / Solution:
In cold places, vegetables, fruits and flowers are grown in glass covered areas as they maintains the temperature as well as traps the solar energy. Glass is opaque to IR (heat) radiation and it partly absorbs and partly reflects the heat which maintains the temperature and traps the solar energy.
Q7. Which one of the following compound is deliquescent?
Answer : Option A
Explaination / Solution:
ZnCl2 is deliquescent.
Q8. If cov(x,y) = 0 then
Answer : Option C
Explaination / Solution:
As correlation is zero, the variables are not related with each other
Q9. Five state account for 70% of India’s poor which of the following is not one of them
Answer : Option B
Explaination / Solution:
Kerala is having a high rank in percentage of people below poverty line. The rank is calculated according to the percentage of people below poverty-line and is based on MRP-consumption.
Q10. The algae that secretes and deposit calcium carbonate over their walls to contribute in producing coral reefs is
Answer : Option C
Explaination / Solution:
Red algae in the order Corallinales , characterized by a thallus that is hard because of calcareous deposits which contribute in producing coral reefs in sea water.
