NEET UG Botany — Cell - The Unit of Life previous year questions with solutions.
A cell organelle containing hydrolytic enzymes is:
Select the wrong statement.
In a chloroplast the highest number of protons are found in:
The region of chromatin that is stained lightly is
Which one of the following cell organelles are enclosed by a single membrane?
Mitochondria and chloroplast are: (i) Semi - autonomous organelles (ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery Which one of the following option is correct?
Microtubules are the constituents of:
Cellular organelles with membranes are:
Balbiani rings are sites of:
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
Which of the following structure is not found in a prokaryotic cell?
Match the columns and identify the correct option. <table class="pyq-table"><tbody><tr><td></td><td>Column I</td><td></td><td>Column II</td></tr><tr><td>A</td><td>Thylakoids</td><td>(i)</td><td>Disc-shaped sacs in Golgi apparatus</td></tr><tr><td>B</td><td>Cristae</td><td>(ii)</td><td>Condensed structure of DNA</td></tr><tr><td>C</td><td>Cisternae</td><td>(iii)</td><td>Flat membranous sacs in stroma</td></tr><tr><td>D</td><td>Chromatin</td><td>(iv)</td><td>Infoldings in mitochondria</td></tr></tbody></table>
Which of the following are not membrane-bound?
The structures that help some bacteria to attach to rocks and/or host tissue are:
The chromosomes in which centromere is situated close to one end are:
Chromatophores take part in:
Cell wall is absent in:
A protoplast is a cell:
Which one of the following is not an inclusion body found in prokaryotes?
Nuclear envelope is a derivative of:
DNA is not present in:
Select the correct matching in the following pairs:
The motile bacteria are able to move by:
Match the following and select the correct answer: <table class="pyq-table"><tbody><tr><td></td><td>Column I</td><td></td><td>Column II</td></tr><tr><td>(a)</td><td>Centriole</td><td>(p)</td><td>Infoldings in mitochondria</td></tr><tr><td>(b)</td><td>Chlorophyll</td><td>(q)</td><td>Thylakoids</td></tr><tr><td>(c)</td><td>Cristae</td><td>(r)</td><td>Nucleic acids</td></tr><tr><td>(d)</td><td>Ribozymes</td><td>(s)</td><td>Basal body cilia or flagella</td></tr></tbody></table>