General Science - Online Test
Q1. is The radius ratio of body centred cubic structure
Answer : Option D
Explaination / Solution:
Its Coordination No. is 8.
Q2. Which two type of sources of energy are encouraged by policy makers
Answer : Option A
Explaination / Solution:
India’s energy policy encourages two energy sources — hydal and wind
Q3. The correct order for the increase in atomic radii is
Answer : Option D
Explaination / Solution:
In a group movig from top to bottom the number of shells increases. So the atomic size increases. Although the effective nuclear charge increases but its effect is negligible in comparison to the effect of increasing number of shells.
Q4. Identify the type of polymer. —A—B—B—A—A—A—B—A—
Answer : Option B
Explaination / Solution:
This is copolymer is polymer made up of different monomers.
Q5. Filiform apparatus present in egg synergids of female gametophyte pay important role of
Answer : Option A
Explaination / Solution:
The synergids have special cellular thickening at micropylar tips called filiform apparatus which help in guiding pollen tube into egg synergids for fertilisation to form embryo.
Q6.
A tank used for filling helium balloons has a volume of 0.300 and contains 2.00 mol of helium gas at 20.0. Assuming that the helium behaves like an ideal gas, What is the average kinetic energy per molecule?
Answer : Option B
Explaination / Solution:
E=32kT=32×1.38×10−23×293=6.07×10−21J
Q7. Which of the following could be most intense and strongest?
Answer : Option C
Explaination / Solution:
Intraspecific competition could be most intense and strongest as it occurs between organisms having same types of requirement of food, water etc. They may have competition for food, shelter, water, space or mat also.
Q8. Minerals present in the soil are absorbed by
Answer : Option D
Explaination / Solution:
Most of the minerals present in soil can enter plants through roots.
Q9.
In the Enteric nervous system :
i. neurons of Myentric plexus regulates glandular secretions in GI tract.
ii. neurons of Meissner’s plexus regulates peristaltic waves.
Answer : Option D
Explaination / Solution:
The enteric nervous system or ENS or intrinsic nervous system is one of the main nervous system of neuron that governs the functioning of gastrointestinal system.
Q10. As they see Opportunity cost means
Answer : Option A
Explaination / Solution:
Opportunity cost, also known as alternative cost, is the value (not a benefit) of the choice of a best alternative cost while making a decision. A choice needs to be made between several mutually exclusive alternatives; assuming the best choice is made, it is the "cost" incurred by not enjoying the benefit that would have been had by taking the second best available choice.
