WBJEE SERIES Biology
Cell The Unit Of Life
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
3
2014 1
2012 2
2010 1
2008 1
2007 Chapter Questions 8 MCQs
01
PYQ 2007
medium
biology ID: wbjee-20
Cell recognition and adhesion are facilitated by components of plasma membrane. These components are generally
1
protein molecules alone
2
lipids alone
3
both lipids and proteins
4
glycolipids and glycoproteins
02
PYQ 2008
medium
biology ID: wbjee-20
What is the structural element of cell wall?
1
Matrix
2
Microtubules
3
Microfibrils
4
Arabinogalactans
03
PYQ 2010
medium
biology ID: wbjee-20
Red cell count is carried out by
1
Haemocytometer
2
Haemoglobinometer
3
Sphygmomanometer
4
Electrocardiogram
04
PYQ 2010
medium
biology ID: wbjee-20
What is mitoplast ?
1
Membraneless mitochondria
2
Mitochondria without inner membrane
3
Another name of mitochondria
4
Mitochondria without outer membrane
05
PYQ 2012
medium
biology ID: wbjee-20
One micrometer is equal to
1
0.0001 mm
2
0.001 mm
3
0.01 mm
4
0.00001 mm
06
PYQ 2014
medium
biology ID: wbjee-20
Objects less than in size cannot be seen under light microscope because
1
The wave length of visible light is to
2
Only two types of lenses are used
3
Maximum magnifying power of ocular lens is
4
Maximum magnifying power of objective lens is
07
PYQ 2014
medium
biology ID: wbjee-20
Which of the followings is always ABSENT in prokaryotic cells ?
1
Ribosome
2
Mitochondria
3
DNA
4
Cell wall
08
PYQ 2014
medium
biology ID: wbjee-20
The primary cell wall is mainly made up of
1
Lignin
2
Pectin
3
Cellulose
4
Protein