Microorganisms: Friend and Foe-Microorganisms [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 9 of 27
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Question 1
Question MCQ▾
Fungi helps in the fermentation is
Choices
Choice (4) | Response | |
---|---|---|
a. | Moulds | |
b. | Yeast | |
c. | Mushrooms | |
d. | Mildews |
Question 2
Question MCQ▾
Medicines obtained from the fungus is
Choices
Choice (4) | Response | |
---|---|---|
a. | Antigens | |
b. | Antibodies | |
c. | Antibiotics | |
d. | Antiseptics |
Question 3
Question MCQ▾
Micro-organism used in the laboratory for research is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Protozoa | |
b. | Fungi | |
c. | Bacteria | |
d. | Algae |
Question 4
Question MCQ▾
Algae that increases the soil fertility is
Choices
Choice (4) | Response | |
---|---|---|
a. | Kelps | |
b. | Real Algae | |
c. | Nostoc and Anabaena | |
d. | Diatoms |
Question 5
Question MCQ▾
The term Protozoa means:
Choices
Choice (4) | Response | |
---|---|---|
a. | The most primitive and simplest animal | |
b. | Disease causing agents | |
c. | The disease causing micro-organisms | |
d. | Organisms which are the carriers of parasite |
Question 6
Question MCQ▾
Nucleus of the bacteria is called as
Choices
Choice (4) | Response | |
---|---|---|
a. | Vibrios | |
b. | Nucleus | |
c. | Nucleoid | |
d. | Spirilla |
Question 7
Question MCQ▾
Habitat of micro-organism is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Soil | |
b. | Water | |
c. | Air | |
d. | All a., b. and c. are correct |
Question 8
Question MCQ▾
Name of parasitic Fungi is
Choices
Choice (4) | Response | |
---|---|---|
a. | Moulds | |
b. | Yeast | |
c. | Mildews | |
d. | Mushrooms |
Question 9
Question MCQ▾
Cyst is:
Choices
Choice (4) | Response | |
---|---|---|
a. | A small capsule like sac that enclose an organism in resting stage. | |
b. | Blue-green bacteria | |
c. | The outermost layer of earth | |
d. | In animals a multi-layered extra cellular external body covering |