General Science - Online Test
Q1. Camphor is often used in molecular mass determination because
Answer : Option D
Explaination / Solution:
Camphor has very high cryoscopic constant.
Q2. In India exports are encouraged through
Answer : Option A
Explaination / Solution:
Increasing exports ranks among the highest priorities of any government wishing to stimulate economic growth. An export subsidy reduces the price paid by foreign importers, which means domestic consumers pay more than foreign consumers. An Export Tax Relief would encourage more firms to export because eligible foreign companies would pay a competitive tax rate. Concessional bank credit also increases exports the companies get loans at a cheaper rate which induces them to increase the investment.
Q3. Find the correct order of vegetative propoagules in potato, ginger Bryophyllum and water hyacinth
Answer : Option B
Explaination / Solution:
Potato tubers have eyes, ginger propagates through underground rhizome, Bryophyllum leaves have buds and water hyacinth propagates by offset stem. All these structures are mode of asexual reproduction
Q4. The ecological niche of an organism will not represent
Answer : Option B
Explaination / Solution:
Ecological niche is the area surrounding an organisms that help them in survive, grow and reproduce.
The ecological niche of an organism represents the position and the role played by the organism in the ecosystem in which it lives.
The ecological niche of an organism will not represent resources it cannot utilize.
Q5. Public expenditure can be Development only
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. The ______________ of a sample is the middle value when the data are arranged in ascending or descending rank order.
Answer : Option C
Explaination / Solution:
The Median is the “middle” element when the data set is arranged either ascending or descending.
Q7. An establishment with four hired workers is known as ____ sector establishment
Answer : Option D
Explaination / Solution:
An informal sector is an unorganised sector of the economy. It includes all enterprises that hire less than 10 workers, except farming and self employment ventures. Therefore, an establishment with four hired workers is known as informal sector establishment.
Q8. A bob of mass 0.1 kg hung from the ceiling of a room by a string 2 m long is set into oscillation. The speed of the bob at its mean position is 1 m .What is the trajectory of the bob if the string is cut when the bob is at its mean position?
Answer : Option B
Explaination / Solution:
At the mean position, the bob has a horizontal velocity. so when the string is cut, it will fall along a parabolic path under the effect of gravity.
Q9. In the following two graphs :
i.first graph shows: twitch summation etanus fatigue.
ii. second graph shows: incomplete and complete tetanus.
i.first graph shows: twitch summation etanus fatigue.
ii. second graph shows: incomplete and complete tetanus.
Answer : Option C
Explaination / Solution:
Graph 1 shows muscle fiber tension with time. Which occurs in order as : twitch→summation→tetanus→fatigue.
Graph 2 shows complete and incomplete tetanus. Tetanus is also known as lockjaw, which is a infection characterized by muscle spasm.
Q10. Full form of GMO is
Answer : Option C
Explaination / Solution:
GMO is an abbreviation for genetically modified organism, an organism whose genetic material has been modified, especially by genetic engineering.
