GATE XL 2025 Paper 1 — page 27

Questions 79–81 of 122. Imported answers require review unless explicitly marked reviewed.

Which of the following statements regarding micro-organisms is/are correct?

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The free-living bacterium Wolbachia is a human parasite.

Myxococcus are a group of predatory bacteria.

Dictyostelium is a slime mold that aggregates to form social groups.

Actinomyces in soil are involved in producing earthy odors.

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Which of the following is/are example(s) of animal-microbe mutualism?

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Human - Mycobacterium tuberculosis

Dog - Rabies lyssavirus

Human - Lactobacillus plantarum

Cow - Ruminococcus albus

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Which of the following reactions is/are catalyzed by aldolase?

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Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate → Fructose 1,6-bisphosphate

Dihydroxyacetone phosphate + Erythrose-4-phosphate → Sedoheptulose-1,7-bisphosphate

Dihydroxyacetone phosphate → Glyceraldehyde-3-phosphate

Glyceraldehyde-3-phosphate + Erythrose-4-phosphate → Sedoheptulose-1,7-bisphosphate

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2025 · Paper 1