1
MCQ (Single Correct Answer)
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
A
absence of mitochondria
B
presence of cell wall
C
presence of haemoglobin
D
absence of nucleus
2
MCQ (Single Correct Answer)
Select one which is not true for ribosome
A
Made up of two sub-units
B
Form polysome
C
May attach to mRNA
D
Have no role in protein synthesis
3
MCQ (Single Correct Answer)
Which one of these is not a eukaryote?
A
Euglena
B
Anabaena
C
Spirogyra
D
Agaricus
4
MCQ (Single Correct Answer)
Which of the following stain is not used for staining chromosomes?
A
Basic fuschsin
B
Safranin
C
Methylene blue
D
Carmine
5
MCQ (Single Correct Answer)
Different cells have different sizes. Arrange the following cells in an ascending order of their size. Choose the correct option among the followings.
I. Mycoplasma II. Ostrich eggs III. Human RBC IV. Bacteria
A
I, IV, III, II
B
I, II, III, IV
C
II, I, III, IV
D
III, II, I, IV