General Science - Online Test
Q1. Pathogenic bacterium that cause typhoid fever in human being is
Answer : Option B
Explaination / Solution:
Typhoid fever in human being is caused by Salmonella typhi. The pathogen enters to small intestine through food and contaminated water and migrates to other organs through blood.
Q2. Full form of BOD is;
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. The property which doesn’t belong to nerve fibres is :
Answer : Option A
Explaination / Solution:
Nerve fibres are specialized to transmit impulses form one part of the body to other. Nerve fibres do not shows the property of elasticity and contractility.
Q4.
The ice and steam point have values 32 F and 212 F respectively, on the Fahrenheit scale. Corresponding values on the Centigrade scale are
Answer : Option D
Explaination / Solution:
C5=F−329
Q5. In the long run TPP changes with the change in which of the following factors
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. Dichloro-diphenyl-trichloro-ethane (DDT), plastic materials, heavy metals etc. belong to which of the following category of pollutants in environment :
Answer : Option D
Explaination / Solution:
DDT, plastic materials and heavy metals like cadmium, mercury and arsenic are not degradable by natural biological processes by bacteria or any other microbe. Therefore they are non-biodegradable.
Q7. The inner transition metals of 5 f series is known as
Answer : Option D
Explaination / Solution:
inner transition metals of 5 f series is known as Actinoids.
Q8. If with the fall in the value of one variable the value of another variable rises in the same proportion then it is said to be
Answer : Option C
Explaination / Solution:
Because both the variables are moving in different directions.
Q9. Having insufficient income to provide a minimum standard of living is
Answer : Option A
Explaination / Solution:
Absolute poverty was defined as a condition characterised by severe deprivation of basic human needs, including food, safe drinking water, sanitation facilities, health, shelter, education and information. It depends not only on income but also on access to services.
Q10. An algae having ribbon shaped chloroplast is
Answer : Option C
Explaination / Solution:
The shape of a chloroplast varies from species to species. It may be cup-shaped (e.g., Chlamydomonas), (e.g., Vaucheria), Girdle (e.g., Ulothrix), Stellate or Star-shaped (e.g., Zygnema), Reticulate or net-like (e.g., Cladophora, Oedogonium), Spiral or ribbon or scalariform (e.g., Spirogyra), ovoid or disc or spheroid in higher plants
