General Science - Online Test
Q1. Which among the following is an example of pseudo first order reaction?
Answer : Option C
Explaination / Solution:
In acid catalysed hydrolysis of ethylacetate the water is in excess so it is pseudo 1st order reaction, as cincentraton does not change.
Q2. Which of the following is prepared by using class intervals and frequencies?
Answer : Option A
Explaination / Solution:
These three can be prepared when data is given in the form of class intervals and corresponding frequencies.
Q3. Why it was considered to replace the private money lender by institutional source of credit
Answer : Option C
Explaination / Solution:
Due to non institutional credit, farmers often led to a debt trap.
Q4. Which of the following statements not true?
Answer : Option D
Explaination / Solution:
The net acceleration of a particle in circular motion is along the radius of the circle towards the centre Only in case of uniform circular motion.
Q5. PPP GDP per capita growth rate of China during (1990-2007) is
Answer : Option D
Explaination / Solution:
China's nominal GDP surpassed that of Italy in 2000, France in 2005, the United Kingdom in 2006 and that of Germany in 2007, before overtaking Japan in 2009, making China the World's second largest economy after the United States. But adjusting for purchasing power parity(PPP), China become the world's second largest economy as early as 1999 surpassing Japan, and has toppled America to become the biggest economy since 2014
Q6. Crossing over results in exchange of genetic material, which occurs between
Answer : Option C
Explaination / Solution:
Crossing over is the exchange of genetic material between non-sister chromatids of two homologous chromosomes involved in the pairing process.
Q7. When adsorption of oxalic acid is carried out on activated charcoal, then activated charcoal is known as
Answer : Option C
Explaination / Solution:
Surface on which adsorption occurs is known as adsorbent.
Q8. A charge q is placed at the center of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to
Answer : Option D
Explaination / Solution:
Suppose in the following figure, equilibrium of charge B is considered. Hence for it's equilibrium
Suppose in the following figure, equilibrium of charge B is considered. Hence for it's equilibrium
Q9. The edge of an aluminum cube is 10 cm long. One face of the cube is firmly fixed to a vertical wall. A mass of 100 kg is then attached to the opposite face of the cube. The shear modulus of aluminum is 25 GPa. What is the vertical deflection of this face?
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Production of large scale recombinant products can be done in
Answer : Option B
Explaination / Solution:
Bioreactor is a large vessels in which large scale raw materials are biologically converted into specific products.
Bioreactor is used to produce large scale production.
