Indicate whether the following statements are True (T) or False (F). Oviparous animals give birth to young ones. Each sperm is a single cell. External fertilisation takes place in frog. A new human individual develops from a cell called gamete. Egg laid after fertilisation is made up of a single cell. Amoeba reproduces by budding. Fertilisation is necessary even in asexual reproduction. Binary fission is a method of asexual reproduction. A zygote is formed as a result of fertilisation. An embryo is made up of a single cell.

I want  complete notes on the chapter friction 

In my book subtopics are:

Friction 

Types of friction 

Factors affecting friction 

Methods of reducing friction 

Methods of increasing friction 

Advantages and disadvantages of friction 

Some real life based situation where friction is applied.

How to make a monomer into polymer if it is an addition polymer example

This planet, _______ is yellowish in colour and has many rings and satellites.

A. Uranus

B. Jupiter

C. Neptune

D. Saturn

Pasteurized milk does not need to be boiled. Why?

Write the $pH$ value of the

1. Saliva (before meal)

2. Saliva (after meal)

3. Lemon juice

4. Colourless aerated drink

5. Carrot juice

6. Coffee

7. Tomato juice

8. Tap water