October 2022 | Page 45 of 110

India-France: UPSC Daily Important Topic | 8 October 2022

India-France Convergence ✓India and France support a multi-polar world order. France has continued to support India’s claim for permanent membership of the Security Council and the reforms of the United Nations. ✓ France has provided consistent support to India’s candidature for the membership of Multilateral Export Control regimes, viz. NSG and MTCR. France’s support was […]

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Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures?

Q. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? Streptococcus pneumoniae Staphylococcus aureus Chlamydia trachomatis Neisseria meningitidis Answer: Staphylococcus aureus

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What are the different growth morphology and cell structures used for the classification of fungi?

Q. What are the different growth morphology and cell structures used for the classification of fungi? Select all the correct answers: Yeast Mold Mycelia Protozoa Answer: Protozoa

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Prokaryotic cells are more resistant to osmotic shock than eukaryotic cells because

Q. Prokaryotic cells are more resistant to osmotic shock than eukaryotic cells because Their cell wall is composed of peptidoglycan They are selectively permeable They contain osmoregulating porins They block water molecules from entering the cell Answer: Their cell wall is composed of peptidoglycan

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The bacterium that infects other gram-negative bacteria is

Q. The bacterium that infects other gram-negative bacteria is Proteus mirabilis Haemophilus influenza Bdellovibrio Pseudomonas putida Answer: Bdellovibrio

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The bacterial genus where sterols are present in the cell membrane is

Q. The bacterial genus where sterols are present in the cell membrane is Vibrio Mycoplasma Escherichia Chlamydia Answer: Mycoplasma

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Which phage is used for phage display technique?

Q. Which phage is used for phage display technique? T7 M13 ƛ-phage ɸ6 Answer: ɸ6

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The coagulase is done to differentiate

Q. The coagulase is done to differentiate Staphylococcus aureus from Staphylococcus epidermidis Staphylococcus epidermidis from Neisseria meningitidis Streptococcus pyogenes from Enterococcus faecalis Streptococcus pyogenes from Staphylococcus aureus Answer: Staphylococcus aureus from Staphylococcus epidermidis

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Which of the following is a gram-positive eubacterium?

Q. Which of the following is a gram-positive eubacterium? Actinomyces Clostridium Rhizobium Clostridium, Actinomyces Answer: Clostridium, Actinomyces

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Which of the statements regarding gram staining is wrong?

Q. Which of the statements regarding gram staining is wrong? Mycobacterium tuberculosis stains blue because of the thick lipid layer Streptococcus pyogenes stains blue because of a thick peptidoglycan layer Escherichia coli stains pink because of a thin peptidoglycan layer Mycoplasma pneumoniae is not visible in the Gram’s stain because it has no cell wall

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