Which of the following is correct:

(a) Cells of all living organisms have a nucleus.

(b) Both animal and plant cells have a well-defined cell wall.

(c) In prokaryotes, there are no membrane-bound organelles.

(d) Cells are formed de novo from abiotic materials.

Q. Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.

Q. Cell organelles are the parts of a living cell. All cells have a cell membrane and some cells have a cell wall.
Which of the following has a cell wall?
I. Plants
II. Bacteria
III. Fungi

Q. are organisms that have cell organelles and a well-defined nucleus.

Q. Mark the following statements 'true' or false. Rewrite the wrong ones correctly.
(a) All cells have nuclei.
(b) Chloroplasts are present in all plant cells.
(c) Animal cells usually do not have vacuoles.
(d) Animal and plant cells have cell membranes.
(e) Ribosomes are called 'suicide bags'.
(f) The cell wall is made of cellulose which is a living substance.
(g) The cell membrane is freely permeable to all substances.
(h) All living organisms are made up of cells.
(i) Structures present in the cell are called organs.
(j) Cell respiration takes place in mitochondria.

Q. This taxonomic group of living organisms is primarily comprised of unicellular eukaryotes. The cells of organisms in this group have a well-defined nucleus and membrane-bound organelles, and include both autotrophic and heterotrophic organisms.
Which taxonomic group of organisms is described above?