Cell - The Unit of Life PYQ — Page 3

Which one of the following cell organelles are enclosed by a single membrane?

Select the mismatch.

Select the wrong statement.

The region of chromatin that is stained lightly is

In a chloroplast the highest number of protons are found in:

Microtubules are the constituents of:

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?

Which of the following are not membrane-bound?

The structures that help some bacteria to attach to rocks and/or host tissue are:

Balbiani rings are sites of:

Select the correct matching in the following pairs:

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 one of the following is not an inclusion body found in prokaryotes?

Which of the following structure is not found in a prokaryotic cell?

Cellular organelles with membranes 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:

DNA is not present in:

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:

Nuclear envelope is a derivative of:

The motile bacteria are able to move by:

The osmotic expansion of a cell kept in water is chiefly regulated by: