Answered

Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Join our Q&A platform to connect with experts dedicated to providing precise answers to your questions in different areas. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

A . Choose the correct option.
1. Vaccine for smallpox is discovered by
a) Louis Pasteur
b) Alexander Fleming
c) Edward Jenner
d) John Mendal


2. Mushroom belongs to
a) Algae
b) Virus
c) Fungi
d) None of these

3. Malaria is caused by
a) Protozoa
b) Virus
c) Algae
d) Bacteria

4. Microorganisms are
a) Unicellular
b) Multi-cellular
c) Both
d) None of these

5. Penicillium is a
a) Algae
b) Fungus
c) Bacteria
d) Yeast

6. Rhizobium bacteria
a) Help in digestion
b) Help in nitrogen fixation
c) Cause diseases
d) All of the above


7. In order to take precautionary steps to control dengue, we must take measures to stop the breeding of
a) Aedes mosquito
b) Fleas
c) Fire ants
d) Anopheles mosquito

8. The bacterium present in curd is
a) Aspergillus
b) Lactobacillus
c) Penicillin
d) Vibrio cholera

9. While baking cakes, yeast reproduces rapidly and produces ___ gas.
a) Hydrogen
b) Oxygen
c) Carbon dioxide
d) Nitrogen

Which among the following statements is not associated with food preservation?

a) Prevention of decay or spoilage

b) Decreased shelf life

c) Air-tight sealing

d) Storage for future use​

Sagot :

Answer:

2. fungi

4. none of these

5. bacteria

9.carbon dioxide

10. decreased shelf life

Explanation:

mushroom makes spores which only fungi make

food preservation implies making it last longer

if it was hydrogen or nitrogen the food would explode.

also I am sorry I

do not know all of these.

We hope this was helpful. Please come back whenever you need more information or answers to your queries. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Westonci.ca is committed to providing accurate answers. Come back soon for more trustworthy information.