General Science - Online Test
Q1. Transition metals with highest melting point is
Answer : Option A
Explaination / Solution:
W belongs to 5d series and also it have lot of unpaired electrons thus it forms strong metallic bonding.
Q2. Correlation coefficient is denoted by
Answer : Option B
Explaination / Solution:
"r" denotes Karl Pearson's coefficient of correlation.
Q3. Sampoorna Gramin Rozgar Yojna being implemented on a cost sharing ratio of ____ between the centre and states
Answer : Option B
Explaination / Solution:
The Sampoorna Grameen Rozgar Yojana was a scheme launched by the Government of India to attain the objective of providing gainful employment for the rural poor. From 1 April 1999, EAS became an allocation-based scheme. The programme was implemented through the Panchayati Raj institutions. The Sampoorna Grameen Rozgar Yojana was launched on 25 September 2001 by merging the provisions of Employment Assurance Scheme (EAS) and Jawahar Gram Samridhi Yojana (JGSY). The programme is self-targeting in nature and aims to provide employment and food to people in rural areas who lived below the poverty line.
Q4. The cell wall of green algae is made up of
Answer : Option C
Explaination / Solution:
Green algae usually have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.
Q5. The most recent and accepted model of plasma membrane is
Answer : Option A
Explaination / Solution:
Fluid-Mosaic model is the most recent and accepted model of plasma membrane. This model was proposed by Singer and Nicolson in 1972. The quasi-fluid nature of lipid enables lateral movement of proteins with in the overall bilayer.
Q6. The problem of doubtful conclusion arises mainly in
Answer : Option A
Explaination / Solution:
In this method , because the data is collected through indirect sources it may lead us to doubtful conclusion due to ignorance and carelessness of the witness.
Q7. Global warming is a
Answer : Option C
Explaination / Solution:
Global warming is a gradual increase in the average temperature of the earth's atmosphere. It is caused by man-made increase in carbon dioxide and other greenhouse gases through the burning of fossil fuels and deforestation.
Q8. The term gene was coined by
Answer : Option D
Explaination / Solution:
The term gene was coined by Johannsen in 1909. He defined gene to be elementary unit of inheritance that specifies the expression of a particular trait.
Q9. Two resistances are connected in the two gaps of a meter bridge. The balance points is 20 cm from the zero end. When a resistance of 15 ohm is connected in series with the smaller of the two resistances, the null point shifts to 40 cm. The smaller of the two resistances has the value (in ohm)
Answer : Option A
Explaination / Solution:
Let the resistances be P and Q. When balanced,
Q10. Simple harmonic motion is motion represented by
Answer : Option C
Explaination / Solution:
Equation of simple harmonic motion is given by
Where x(t) is the displacement of body at any instant of time
A is the amplitude of the body
is the phase angle at the instant of time.
