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Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan
Edition 4ISBN: 978-0073402437Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan
Edition 4ISBN: 978-0073402437 Exercise 1
Which of the following parts was absent from Leeuwenhoek's microscopes
A) focusing screw
B) lens
C) specimen holder
D) condenser
A) focusing screw
B) lens
C) specimen holder
D) condenser
Explanation
Verified
Verified
(A)Focusing screw is used for the zooming or enlarged view of an object. Leeuwenhoek's microscope contains Focusing screw. Thus, the option (a) is incorrect.
(b)Lens is the primary objects of microscope. Leeuwenhoek designed different types of special lances, for visualization of microbes. Leeuwenhoek's microscope contains Lens. Thus, the option (b) is incorrect.
(c)The specimen holder is used for holding of prepared microbial smear. Leeuwenhoek's microscope contains specimen holder. Thus, the option (c) is incorrect.
(d)The microscope developed by Leeuwenhoek was simple in design. Microscope of Leeuwenhoek's does not contains condenser that focuses the light through the specimen. Thus, the option (d) condenser is correct.
(b)Lens is the primary objects of microscope. Leeuwenhoek designed different types of special lances, for visualization of microbes. Leeuwenhoek's microscope contains Lens. Thus, the option (b) is incorrect.
(c)The specimen holder is used for holding of prepared microbial smear. Leeuwenhoek's microscope contains specimen holder. Thus, the option (c) is incorrect.
(d)The microscope developed by Leeuwenhoek was simple in design. Microscope of Leeuwenhoek's does not contains condenser that focuses the light through the specimen. Thus, the option (d) condenser is correct.
Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan
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