EASY
Earn 100
In bacterial cells, the outermost layer of the cell envelope can either be a
50% studentsanswered this correctly
Important Questions on Cell Theory and Cell as the Basic Unit of Life
HARD
Nuclear envelope is a derivative of:
MEDIUM
Match the columns and identify the correct option.
| Column I | Column II | ||
| A | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
| B | Cristae | (ii) | Condensed structure of DNA |
| C | Cisternae | (iii) | Flat membranous sacs in stroma |
| D | Chromatin | (iv) | Infoldings in mitochondria |
EASY
Balbiani rings are sites of:
HARD
Select the correct matching in the following pairs:
EASY
Which one of the following cell organelles are enclosed by a single membrane?
EASY
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
EASY
Cellular organelles with membranes are:
MEDIUM
Animal cells after removal of nuclei still contained DNA. The source of this DNA is:
EASY
Water-soluble pigments found in plant cell vacuoles are:
MEDIUM
Microtubules are the constituents of:
EASY
A cell organelle containing hydrolytic enzymes is:
EASY
The chromosomes in which centromere is situated close to one end are:
MEDIUM
Nucleolus is an organelle responsible for the production of:
HARD
Sister chromatids of chromosome have
EASY
Which of the following are not membrane-bound?
MEDIUM
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?
EASY
The region of chromatin that is stained lightly is
