Which of the following are covered by a single membrane?
Anonymous Quiz
39%
Mitochondria
43%
Vacoule
15%
Lysosome
4%
None
Cell wall of which one of these is not made up of cellulose?
Anonymous Quiz
45%
Bacteria
29%
Hydriila
16%
Cactus
11%
Mango tree
Plant cells are stained using the stain called …………….
Anonymous Quiz
31%
Dna
50%
Safrain
13%
Cactus
6%
Tree
The movement of water molecules through a selectively permeable membrane is called …………….
Anonymous Quiz
56%
Osmosis
28%
Diffusion
12%
Absorption
3%
None
Virchow stated that ……………. arise from pre-existing cells.
Anonymous Quiz
54%
All cell
31%
All tissue
12%
All organ
3%
None
👍1
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
35%
13
42%
10
15%
16
8%
9
How many electrons are present in M-shell of an element with atomic number 20?
Anonymous Quiz
12%
5
58%
8
17%
12
14%
18
Cathode rays consist of negatively charged particles known as ………………
Anonymous Quiz
66%
Electron
18%
Proton
14%
Neutron
3%
None
………. are the atoms containing same number of neutrons.
Anonymous Quiz
50%
Isotope
26%
Isobar
19%
Isotone
5%
None
The undefined nuclear region of prokaryotes is also known as0
Anonymous Quiz
36%
Nucleus
49%
Nucleoid
9%
Vacoule
6%
Lysosome