Which of the following connects the cell wall of the neighbouring cells?
(1)plasmodesmata
(2)Desmosomes
(3)Gap junction
(4)Tight junction
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many layers are present in cell envelope of prokaryotes?
(1)4
(2)3
(3)2
(4)1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the part of cell envelope?
(1)glycocalyx
(2) cell wall and cell membrane
(3)Both A and B
(4)Glycocalyx and cell wall
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf glycocalyx is loose then it is called as ____________and if it’s tough and thick then it is called as _________
(1)slime layer, capsule
(2)slime mould ,capsule
(3)capsule, slime layer
(4)capsule, slime mould
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true about cell wall except
(1)determines shape of the cell
(2)prevent cell from bursting and collapsing
(3)selective permeable in nature
(4)provides strong structural support
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMesosomes extensions can be present in the form of
(1)vesicles
(2)tubules
(3)lamellae
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true about chromatophores
(1)its’s a plasma membrane infolding
(2)site of photosynthesis
(3)contain pigments
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBacterial flagella is composed of
(1)basal body, Hook, filament
(2) basal body and filament
(3) Hook and filament,
(4)Hook, filament and base
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true
(1)bacterial flagella is made up of flagellin protein
(2)bacterial pili is made up of pilin protein
(3) bacterial flagella is different from eukaryotic flagella
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many of the following structures are present in Bacteria?
(Flagella, cilia, pili, fimbriae)
(1)4
(2)3
(3)2
(4)1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology