Which of the following cell wall comes early and disappears gradually in the life of plant?
(1)primary cell wall
(2)secondary cell wall
(3)tertiary cell wall
(4)Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following holds the neighbouring cells together
(1)calcium pectate
(2) sodium pectate
(3)Both A and B
(4)manganese pectate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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 & Biology