General Science - Online Test
Q1. Which among the following is not considered as a part of transition elements?
Answer : Option A
Explaination / Solution:
Zn, Cd and Hg are not considered as transition elements because they donot have incompletely filled d orbital in its ground state or stable oxidation state.
Q2. Multiple correlation is
Answer : Option B
Explaination / Solution:
Because here we have to go to calculate correlation twice or thrice, with different variables.
Q3. For how many days NREGA provides employment?
Answer : Option A
Explaination / Solution:
National Rural Employment Guarantee Act 2005 later renamed as the "Mahatma Gandhi National Rural Employment Guarantee Act" (MGNREGA), is an Indian Labour Law and social security measure that aims to guarantee the 'right to work'.It aims to enhance livelihood security in rural areas by providing at least 100 days of wage employment in a financial year to every household whose adult members volunteer to do unskilled manual work.
Q4. The half of the total carbon dioxide fixation on earth is carried out by algae through
Answer : Option C
Explaination / Solution:
Being photosynthetic, algae increase the level of dissolved oxygen in their immediate environment.
Q5. Animal cell do not possess
Answer : Option D
Explaination / Solution:
Animal cell do not possess plasmodesmata but it contain ribosomes, centriole andplamalemma. Plasmodesmata is the connection between two plant cells.
Q6. Census is
Answer : Option C
Explaination / Solution:
The Census Method is also called a complete enumeration method wherein each and every item in the universe is selected for the data collection. The universe might constitute a particular place, a group of people or any specific locality which is the complete set of items and which are of interest in any particular situation.
Q7. ________ implies that the resource extraction is not above the rate of regeneration of the resources and the waste generated are within the assimilating capacity of the environment.
Answer : Option C
Explaination / Solution:
Carrying capacity is the maximum number of individuals of a given species that an area's resources can sustain indefinitely without significantly depleting or degrading those resources. Determining the carrying capacities for most organisms is fairly straightforward.
Q8. _____ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Answer : Option B
Explaination / Solution:
Uracil is one of the four nucleobases in the nucleic acid of RNA that are represented by the letters A, G, C and U. The others are adenine, cytosine, and guanine. In RNA, uracil binds to adenine via two hydrogen bonds.
Q9. It is observed in a potentiometer experiment that no current passes through the galvanometer, when the terminals of the cell are connected across a certain length of the potentiometer wire. On shunting the cell by a 2 Ω resistance, the balancing length is reduced to half. The internal resistance of the cell is
Answer : Option B
Explaination / Solution:
The internal resistance of the cell is given by:
Q10. for any periodic motion with a period T and displacement = f(t)
Answer : Option A
Explaination / Solution:
No Explaination.
