1) With reference to technologies for solar power production, consider the following statements:
1.’Photovoltaics’ is a technology that generates electricity by direct conversion of light into electricity, while ‘Solar Thermal’ is a technology that utilizes the Sun’s rays to generate heat which is further used in electricity generation process.
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).
3.India
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).
3.
Which of the statements given above is / are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None
2) Which reference to Agni-IV Missile, which of the following statements is/are correct?
1. It is a surface-to-surface missile.
2. It is fuelled by liquid propellant only.
3. It can deliver one-tonne nuclear warheads about 7500 km away.
2. It is fuelled by liquid propellant only.
3. It can deliver one-tonne nuclear warheads about 7500 km away.
Select the correct answer using the code given below.
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
(c) 1 and 3 only
(d) 1, 2 and 3
3) In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
1. Iris scanning
2. Retinal scanning
3. Voice recognition
2. Retinal scanning
3. Voice recognition
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Which of the above is/are used to create transgenic crops?
Which of the statements given above is/are correct?
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4) Consider the following techniques/phenomena:
1. Budding and grafting in fruit plants
2. Cytoplasmic male sterility
3. Gene silencing
2. Cytoplasmic male sterility
3. Gene silencing
Which of the above is/are used to create transgenic crops?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) None
5) Consider the following statements :
(b) 2 and 3
(c) 1 and 3
(d) None
5) Consider the following statements :
1. Maize can be used for the production of starch.
2. Oil extracted from maize can be a feedstock for biodiesel.
3. Alcoholic beverages can be produced by using maize.
2. Oil extracted from maize can be a feedstock for biodiesel.
3. Alcoholic beverages can be produced by using maize.
Which of the statements given above is/are correct?
(a) 1 only.
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
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