Question

Find the ratio of the following.
(a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
b) 5 m to 10 km
(C) 50 paise to Rs 5
Convert the following rating to​

Answer 1

Step-by-step explanation:

$\huge \red{Question: - }$

What are periodic changes? Are most of the changes that we see around in daily life periodic?

$\huge\red {Answer:-}$

1. Plant cells have different shapes. - $\red{\sf{False}}$

$\implies$ αmímαl cells have diffeeent shapes.

2. The cell membrane is freely permeable - $\red{\sf{False}}$

3. The longest coll is that of an ostrich egg- $\red{\sf{False}}$

4. The colours imparted by chromoplasts promote pollination - $\red{\sf{False}}$

5. Centrosomes help in cell division- $\red{\sf{False}}$