Question

8.
C.
TILR ( the correct options:
1.
was the first scientist to describe microorganisms.
(a) Edward Jenner
(b) Louis Pasteur
(c) Alexander Fleming
(d) Antonie Van Leeuwenhoek
2. Which of the following is not responsible for spoilage of food?
(a) algae
(b) fungi
Ø (c) bacteria
(d) chemicals
3. Which of the following is a biological nitrogen fixer?
(a) housefly
(b) fungi
(c) blue-green algae O (d) protozoa
4. Edward Jenner discovered the vaccine for
(a) cholera
(b) smallpox
(c) tuberculosis 0 (d) polio
B. Fill in the blanks:
1. The ability of one's body to resist a disease is known as
2. Microorganisms help recycle
back into the soil.
3. Bacteria
causes food poisoning.
4. Sodium benzoate is a common food
C. State whether the following statements are true (T) or false (F):
Nitrogen fixation is done by viruses.
2. Yeast is used to make alcoholic drinks by fermentation.
3. All viruses cause diseases and are parasites.
4. Anopheles mosquito carries germs of malaria.
SECTION - B
A. Multiple Choice Questions (MCQs) Scientific/Practical skills:
1.
curd
In this Activity:
Curd is formed only in
(a) cup A
(c) cupc
(0) O
(b) cup B
(d) all three cups
8
cold milk lukewarm milk hot m
38
Cordova Learning Series Science​

Answer 1

Answer:

exam ka question yaha paste kr diya h kya

Answer 2

Explanation:

no no no no no no no no no no no no no no no no.no