If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, what would happen in environments that lack antibiotics?

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#Question id: 40166

#Botany

Match List I with List II

LIST I (Cell Organelle)	LIST II (Function)
A. Smooth Endoplasmic Reticulum	I. Formation of spindle fibers
B. Golgi Apparatus	II. Lipid Synthesis
C. Nucleolus	III. Glycosylation & Packaging
D. Microtubules	IV. rRNA Synthesis

Choose the correct answer from the options given below:

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#Question id: 40167

#Environmental Science

Which of the following ecological pyramids is always upright?

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#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:

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#Question id: 40169

#Environmental Science

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

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#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:

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#Question id: 40171

#Environmental Science

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