Which of the following statements about Lapse Rates are true?

A. The Environmental Lapse Rate (ELR) is always constant at 6.5°C/km. 

B. A negative lapse rate (temperature increasing with height) is called an inversion. 

C. The Dry Adiabatic Lapse Rate (DALR) is approximately 9.8°C/km.

Choose the correct answer from the options given below:

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#Question id: 40216

#Environmental Science

Given below are two statements regarding the Miller-Urey experiment:

Statement I: The experiment used a mixture of Methane (CH₄), Ammonia (NH₃), Hydrogen (H₂), and Water vapor (H₂O) exposed to electric discharge.

Statement II: The experiment successfully synthesized complex nucleic acids (DNA chains) within the first week.

In light of the above statements, choose the most appropriate answer:

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#Question id: 40217

#Environmental Science

Consider the following statements about the Endosymbiotic Theory:

Statement I: It explains the origin of mitochondria and chloroplasts in eukaryotic cells.

Statement II: Mitochondria and chloroplasts have their own circular DNA, similar to bacteria.

Statement III: The theory proposes that these organelles originated as free-living prokaryotes that were engulfed by a host cell.

Which of the statements given above are correct?

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#Question id: 40218

#Environmental Science

Match the concepts/experiments in List I with the scientists in List II.

List I (Concept/Experiment)	List II (Scientist)
A. Hot Dilute Soup (Prebiotic Soup)	I. Francesco Redi
B. Panspermia (Cosmozoic Theory)	II. J.B.S. Haldane
C. Maggots in decaying meat experiment	III. Richter & Arrhenius
D. Omne vivum ex vivo (Biogenesis)	IV. Louis Pasteur

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#Question id: 40219

#Environmental Science

Match the evolutionary stages in List I with their defining characteristics in List II

List I (Evolutionary Stage)	List II (Characteristics)
A. Chemoheterotrophs	I. First oxygen-producing photosynthesizers (Cyanobacteria)
B. Chemoautotrophs	II. Earliest life forms; absorbed organic molecules from the environment
C. Photoautotrophs (Anoxygenic)	III. Synthesized food using chemical energy (inorganic substrates)
D. Photoautotrophs (Oxygenic)	IV. Used sunlight but H2S instead of water; did not release Oxygen

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#Question id: 40220

#Applied Microbiology

Which component of a plasmid vector allows a researcher to distinguish between host cells that have taken up the plasmid and those that have not?

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#Question id: 40221

#Applied Microbiology

 A gene incorporated into a vector that confers a trait suitable for artificial selection of transformed cells (e.g., survival on ampicillin-containing agar) is best known as a: