Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
The property of semipermeability belongs to
Cell wall of the plants is freely permeable, whereas the plasma membrane is semipermeable.
Microtubules are absent in
Microtubules are present only in eukaryotes; and are a component of their cilia and flagella as well as spindle (during cell division). They are straight, hollow rods measuring about 25 nm in diameter and form 200 nm to 25 um in length. Microtubules give the shape and support to the cell.
Which of the following four cell structures is correctly matched with the accompanying description?
(d)
(a) Plasma membrane - Lipid bilayer, in which proteins are embedded
(b) Mitochondria - Bacteria like elements with inner membrane highly folded
(c) Chloroplasts - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae
(d) Golgi apparatus - Stacks of flattened vesicles
Which one of the following is incorrect statement
Refer NCERT, para 1 and 2, Introduction, page -125
Which one of the following is incorrect statement
Refer NCERT, para 1 and 2, Introduction, page-125
Which of the following is true
Refer NCERT
Which of the following is true about unicellular organism ?
Refer NCERT, Heading 8.1, para-1, page-126
Who invented cell?
Cell was not invented it was discovered.
The first living cell was described by
Refer NCERT, Heading 8.1, para-2, page-126
With the discovery of which of the following, the study of the structural details was made possible
Refer NCERT, Heading 8.1, para-2, page-126
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