Question

Q2- Write down the number name using International system of numeration
(a) 2,179,605,283

(b) 9,683,340

Q3- Write down the greatest and smallest possible number using the given digits.

(4marks)

(a) 0,6,5,9,8,3,2,1

(b) 7,1,3,6,9,2,8,5

Q4- Write down both the successor and predecessor for the following.
(a) 4,89,999

(b) 75,00,000​

Answer 1

Answer:

Lactobacillus is a most commonly found bacteria in milk, yogurt and other dairy products.

They are rod shaped, non-spore forming, gram positive bacteria.

We can observe them by making  a slide of yogurt:

-Take a glass slide and put a drop of diluted yogurt on it, make a smear for 2 to 3 secs on the slide.

-Add a drop of methylene blue on the slide.

-Cover the slide with a cover slip.

-Place it under the compound microscope

- You will observe the rod shaped lactobacilli in it.

Step-by-step explanation: