Biology Test 246

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Biology Test 246

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Weekly Quiz Competition

Question 1
4 / -1

Actual living cell 1st of all observed by

A
Robert Hook

B
Anton van leeuwenhoek

C
Dhanvantari

D
W.T. Austbury
Question 2
4 / -1

Studies attempting to correlate the structure of cells with their function including the life processes of the cells portray the branch of Biology called as

A
Cell Biology

B
Cytology

C
Plant physiology

D
Molecular Biology
Question 3
4 / -1

Abbe Equation is

A

B

C

D
All of these
Question 4
4 / -1

The highest resolution is obtained with the

A
light of shortest wavelength

B
light with PAR wave length

C
light with 600 to 700 nm

D
light with UV Radiation
Question 5
4 / -1

Most oil immersion objective have a maximum numerical aperture of

A
1.4

B
1.350

C
200 nm

D
450 nm
Question 6
4 / -1

Most close Relative of electron microscope are

A
Scanning probe microscope

B
Scanning Tunneling microscope

C
Atomic force microscope

D
All of these
Question 7
4 / -1

Normal Clinical Centrifuge is a motorised instrument which can rotate the malerials upto

A
50000 rpm

B
800 rpm

C
100000 rpm

D
5000 rpm
Question 8
4 / -1

Which of the following enzymes are used to join bits of DNA?

A
DNA ligase

B
DNA polymerase

C
primase

D
Endonuclease
Question 9
4 / -1

Chromatography used for separation of Antibody, cellular enzyme and m-RNA is

A
Column chromatography

B
Thin layer chromatography

C
Ion exchange chromatorgraphy

D
Affinity chromatography
Question 10
4 / -1

PAGE- term most suitable to

A
Chromatography

B
Centrifugation

C
Microscopy

D
Electrophosesis