Answer all the following 50 questions Part A: Questions 1-40 (multiple choice) o

Question

Answer all the following 50 questions Part A: Questions 1-40 (multiple choice) on scaatron card. Eart l: 2 short answer questions to be answered on qurstion sheet Please return scantron cards?? questio·sheet. Time allowed: beer Part A: Multiple Choice (1-40) 1. Which objsctive provides the neatest field of view? 2. As compared to a light microscops, the resolving power of the electon micrsce i b.40s d. all peovide the sane field of view c EgaldNo of the above 3. The total magnification power of a light nicrescope cas te ained by a Adding the eyepiece mag plas the light micnoscope 5. An organism sach as E co is classiflod as a Biosafety level organism Which of the following would be bevt obsarved for a bacterial cell ning phae ctrl micop a Motility of the cell b. lactorial cloold Cell wall s. Fungi ine all the following escept ane sevsal fangal spones exep a. sapeoplhytes b.prokaryotes & eakaryotes d.responsible foe decay of dead ants 9Te netrieve a sample from a culhare tabe wih an inoculating loop, the cap of the tube a. Removed and held with your leeth b. Removed and held with the fingers of the loop hand c. Removed with the fingers of the loop hand and placed on the lab bench d. Any method above works well 10. A contains only a single kind of organism where asa culhure contains more than one kind of organism a Mised, aseprie b Aseptic, pure c. Pare, mised dMiued, pure

Explanation / Answer

1. option first is correct.

More X indicates more resolution and magnification.

Here 100X clear resolution then other available options.

2. option a is correct.

electron microscope use electrons for production of images which is more clear

as compared to light microscope.

the magnification and resolution of electron microscope is higher than light microscope.

3. option A is correct

the magnification is the power to increase the visualising size of an image.

resolution is a power to separate to purse with a good distance in image.

4.

option A is correct

light microscope have a condenser region on which light become converge and then transferred to the object.

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