General Science - Online Test
Q1. Educational attainment is measured by the two-third weighted average of the _____and one-third weight ______
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. Calculate the heat and the work associated with a process in which 5.00 mol of gas expands reversibly at constant temperature T = 298 K from a pressure of 10.00 to 1.00 atm
Answer : Option B
Explaination / Solution:
for isothermal process ΔU=0 while –w=nRTln(P1/P2) = q
Q3. Name the type of classification used in the following graph
Answer : Option D
Explaination / Solution:
Classification based on the analysis of spatial objects related to its spatial characteristics, such as areas of region, roads, and ponds or rives is known as spatial classification.
Q4. "Too much money chasing too few goods" best describes:
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. A truck accelerates at 1 m / from rest. What is its velocity in m/s at a time of 2 sec?
Answer : Option D
Explaination / Solution:
Initial velocity u = 0 m/s
final velocity = v
Time t = 2 s
Acceleration a = 1 m/s2
We know,
v = u + at
=> v = 2 m/s
Q6. The frequency of the third harmonic of a closed organ pipe is equal to which of the overtones?
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. Female hetrogamety is present in
Answer : Option A
Explaination / Solution:
Female heterogamety is the formation of different types of gametes in female. Although male produce same types of gametes. In birds the female have ZW sex chromosome and male have ZZ sex chromosome.
Q8. The break- even point is where TR=TC
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. Bacterial leaf blight of rice is caused by a species of
Answer : Option A
Explaination / Solution:
Bacterial leaf blight of rice is caused by bacterium Xanthomonas. The bacteria reduce the photosynthetic area of leaf and finally yield of rice is affected considerably.
Q10.
Match the following:
Animal
a) Paramecium
b) Pila
c) Scypha
d) Pheretima
circulation method
i) water canal system
ii) cyclosis
iii) blood flowing through vessels
iv) blood passing through sinuses
Answer : Option D
Explaination / Solution:
In Paramecium oxygen is carried by cyclosis, in Pila blood passing through sinuses carries oxygen, in Scypha water canal system is present and in Pheretima (earthworm) respiration is carried by blood flowing through vessels.
