General Science - Online Test
Q1. Interactions between different species living within a particular area may be:
Answer : Option B
Explaination / Solution:
Interactions between different species living within a particular area may be useful as in case of mutualism, fatal as in case of parasitism or neutral in which no one is harmed.
Q2. The cupric ions are essential for
Answer : Option C
Explaination / Solution:
Copper is absorbed as cupric ions (Cu2+).
It activates some enzymes in plants which are involved in lignin synthesis and it is essential in several enzyme systems. It is also required in the process of photosynthesis, is essential in plant respiration and assists in plant metabolism of carbohydrates and proteins.
Q3. _____ from pharynx is conveyed into oesophagus by _____ .
Answer : Option A
Explaination / Solution:
The bolus is then conveyed into the pharynx and then into the oesophagus by swallowing or deglutition.
Q4. For a rectangular slab, refraction takes place at
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. Goitre can occur as a consequence of all the following except
Answer : Option B
Explaination / Solution:
Goitre is a deficiency disease that occurs due to less secretion of hormone thyroxin. Less or no secretion of this hormone may occurs due to iodine deficiency, pituitary adenoma and Grave’s disease.
Q6. Environmental Protection Act enacted on;
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. Complete the following hierarchical chart showing parts of nervous system :
Answer : Option B
Explaination / Solution:
Human nervous system consists of central nervous system and peripheral nervous system. Peripheral nervous system includes 12 pairs of cranial nerves emerging from brain and 31 pairs of spinal nerves arising from spinal nerve.
Q8.
Relation between Kelvin (T) and Celsius scales () is
Answer : Option D
Explaination / Solution:
TZ−TLTU−TL=TC−0100−0=TK−273.15373.15−273.15
Q9. How is APP derived from TPP
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. Tropospheric pollution is caused by :
Answer : Option C
Explaination / Solution:
Various oxides of sulphur, nitrogen and carbon like SO2, SO3, NO, NO2, CO and CO2 cause tropospheric pollutionand inflict harm to living beings.
