General Science - Online Test
Q1. The space within cochlea called scala media is filled with
Answer : Option B
Explaination / Solution:
Cochlear duct or scala media has endolymph and high potassium ion concentration that the stereocilia of the hair cells protrude into helicotrema.
Q2. The supply curve of a firm shows
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. In which mode of heat transfer is there material movement?
Answer : Option D
Explaination / Solution:
Convection is the heat transfer due to bulk movement of molecules within fluids.
Q4. This process in which nutrient enriched water bodies support a dense plant population, which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity, is called as :
Answer : Option A
Explaination / Solution:
Eutrophication is the process in which nutrient enriched water bodies support a dense plant population, which kills animal life by consuming oxygen and depriving them of it.
Q5. Zr and Hf have almost equal atomic and ionic radii because
Answer : Option A
Explaination / Solution:
Due to presence of Lanthanide series in which electron enter f orbital which have poor shielding effect size of 5d series and 4d series doesnot change much . this is known as lanthanide contraction.
Q6. If two variables are highly correlated, what do you know?
Answer : Option C
Explaination / Solution:
High degree of correlation implies that there is a strong relationship between the two variables and that the changes in one variable cause predictable changes in the other variable.
Q7. The Planning Commission has defined the poverty line on the basis of recommended nutritional requirement of ____ calories per person per day for rural areas
Answer : Option D
Explaination / Solution:
In India, defining a poverty line has been a controversial issue, especially since mid-1970s when the first such poverty line was created by the erstwhile Planning Commission. It wasbased on minimum daily requirement of 2,400 and 2,100 calories for an adult in rural and urban areas, respectively.
Q8. A moss plant used as a fuel are
Answer : Option A
Explaination / Solution:
Species of Sphagnum, a moss, provide peat that have long been used as fuel.
Q9. The nucleus was first described by
Answer : Option B
Explaination / Solution:
Nucleus as a cell organelle was first described by Robert Brown as early as 1831.
Q10. The census act , in india, was passed in the year ____ .
Answer : Option D
Explaination / Solution:
This Act was enacted by the government of India on 3rd September 1948 to deal with the legal principles governing the taking of census. This Act applies to the whole India including Jammu and Kashmir.
