General Science - Online Test
Q1. Read the following about the surface of cerebral hemispheres
i. Is made up of the pia matter.
ii. Is greatly convoluted and called the cerebral cortex.
i. Is made up of the pia matter.
ii. Is greatly convoluted and called the cerebral cortex.
Answer : Option A
Explaination / Solution:
The layer of cells which covers the cerebral hemisphere is called cerebral cortex and is thrown into prominent folds.
Q2. If V is the initial volume, ΔV the fractional change in volume of a substance for temperature change ΔT, the coefficient of volume expansion, αV is defined as
Answer : Option A
Explaination / Solution:
increase in volume per unit original volume per Kelvin rise in temperature is called coefficient of volume expansion,
Q3. Cost of production is
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. Nitrogen dioxide (NO2) causes :
Answer : Option A
Explaination / Solution:
Nitrogen dioxide is responsible for acute respiratory disease in children. It also causes irritating red haze in traffic and congested places, damages leaves of plants, retard rate of photosynthesis, toxicity to living tissues and harm to textile fibres and metals.
Q5. Electronic configuration of Mn2+ is
Answer : Option D
Explaination / Solution:
Mn has atomic number 25.
Q6. Coefficient of correlation is also known as product moment correlation.
Answer : Option C
Explaination / Solution:
As it is the product of two different random variables.also in denominator there is product of standard deviation
Q7. In India share of ___ percent of low income group of people in the national income while that of ___ percent of high income group people is 45.3 percent
Answer : Option C
Explaination / Solution:
India's per capita incomes were low, the average household size and consequent household incomes were higher. India had a total of 247 million households in 2011, with an average of about 4.9 people per household, according to Census of India
Q8. Rhodophyta are commonly called red algae because of the predominance of pigment
Answer : Option A
Explaination / Solution:
The algal class Rhodophyta are commonly called as red algae because it contain red pigment, r-phycoerythrin along with chlorophyll a and d.
Q9. The membrane complex formed in folding of plasma membrane in prokaryotic cells is called
Answer : Option D
Explaination / Solution:
A special membranous structure is the mesosome which is formed by the extensions of plasma membrane into the cell.
Q10. Statistical enquiry means
Answer : Option D
Explaination / Solution:
Statistical methods of collecting, organising and analysing data are used to conclude or solve a problem for present or future use.
