TLS Online TPP Program

#Question id: 39265


Q. Assertion: Symmetric hybrids are utilized to widen the genetic base of allopolyploid species.
 Reason: Producing synthetic lines of Brassica napus by fusing B. oleracea and B. campestris introduces desirable traits that might be missing in the current cultivated pool.

#Plant Biotechnology
  1. Both Assertion and Reason are true, and Reason is the correct explanation of Assertion.
  2. Both Assertion and Reason are true, but Reason is NOT the correct explanation of Assertion.
  3.  Assertion is true, but Reason is false.
  4. Assertion is false, but Reason is true.
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TLS Online TPP Program

#Question id: 40168

#Environmental Science

Match the Air Pollutant (List I) with its Primary Source (List II):

LIST I (Pollutant)LIST II (Primary Source)
A. Chlorofluorocarbons (CFCs)I. Incomplete combustion of fossil fuels
B. Sulfur Dioxide (SO2)II. Refrigerators and Air Conditioners
C. Carbon Monoxide (CO)III. Thermal Power Plants
D. Methane (CH4)IV. Paddy fields and ruminant livestock
Choose the correct option:

TLS Online TPP Program

#Question id: 40169

#Environmental Science

 Which of the following is an example of Ex-situ conservation?

TLS Online TPP Program

#Question id: 40170

#Environmental Science

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Acid rain causes damage to historical monuments made of marble (like the Taj Mahal).
Reason (R): Sulfur dioxide in the air reacts with calcium carbonate in marble to form calcium sulfate (Gypsum), causing the stone to flake off.
In light of the above statements, choose the correct answer:

TLS Online TPP Program

#Question id: 40171

#Environmental Science

 The "Nagoya Protocol" is related to which of the following?

TLS Online TPP Program

#Question id: 40172

#Environmental Science

Match the Instrument (List I) with its Application (List II):

LIST I (Instrument)LIST II (Application)
A. Atomic Absorption Spectrophotometer (AAS)I. Separation of Volatile Organic Compounds (VOCs)
B. Gas Chromatography (GC)II. Analysis of Heavy Metals (Pb, Hg, Cd)
C. X-Ray Diffraction (XRD)III. Determination of Crystal Structure of Minerals
D. Spectrophotometer (UV-Vis)IV. Analysis of Phosphate/Nitrate in water
Choose the correct option:

TLS Online TPP Program

#Question id: 40173

#Environmental Science

"Eutrophication" in a water body is primarily caused by the excess enrichment of: