Morphology, Different shapes of bacterial cells

This is an MCQ-based quiz on the topic of Morphology, Different shapes of the bacterial cells.

This includes Morphology of a Bacteria Cell, Different shapes of bacteria, Spherical- Cocci, Rod-shaped- Bacilli, Spiral bacteria, Comma shaped- Vibrio, Filamentous, Star-shaped and many more.

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The covalent bond which links the cell walls of gram-positive bacteria containing two modified sugars – N – acetylmuramic acid (NAM) and N-acetyl glucosamine (NAG) is _______.

glycosidic bond 1,4-glycosidic bond 1,6-glycosidic bond glycosidic bond

Which one of these has a Chinese letter arrangement?

Clostridium tetani Mycobacterium tuberculosis Bacillus anthracis Corynebacterium diphtheriae

Which of this bacteria is resistant to penicillin as it lacks a cell wall?

Spirochetes Cyanobacteria Mycoplasmas Bdellovibrios

Which of these is exposed on the outer surface of a gram-negative bacterium?

Braun lipoprotein O-antigen of lipopolysaccharide (LPS) Polysaccharide portion of lipoteichoic acid (LTA) Electron transport system components

A root grows in length, which region of the root is responsible for this growth?

Region of elongation Root cap Region of meristematic activity Region of maturation

Root hairs are present in/on

Region of maturation Root cap Region of elongation Region of meristematic activity

The region or part of root that increases the surface area for water absorption is

Root hair Meristematic zone Zone of elongation Root cap

The tap roots of ______ gets modified to store food

Carrot Onion Ginger Sweet potato

What is a cluster of polar flagella called?

Petritrichous Monotrichous Amphitrichous Lophotrichous

This is analogous to mesosomes of bacteria

Golgi apparatus of eukaryotes Lysosomes of eukaryotes Mitochondria of eukaryotes None of the above

This about cell wall of gram-positive bacteria is true

Cell wall comprises of many layers

The cell wall is thicker than the associated gram-negative bacteria

Cell wall comprises of teichoic acids

All of the above

Flagella in bacteria enable them to

Reproduce

Locomote

Thrive in nutrient agar

Adhere to tissue surfaces

Which of these is a cocci occurring in single or pairs?

Diplococci Streptococci Tetracocci None of the above

Which one of the following is a true fruit?

Coconut

None of these

Cashew nut

Mango

The covalent bond which links the cell walls of gram-positive bacteria containing two modified sugars – N – acetylmuramic acid (NAM) and N-acetyl glucosamine (NAG) is

Glycosidic bond

beta 1,4-Glycosidic bond

1,6-Glycosidic bond

Quiz/Test Summary

Title: Morphology, Different shapes of bacterial cells

Questions: 15

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