Questions

Egg.

Egg is to be broken if we want to use or eat it.

Indonesia

In humans all reproduction is sexual. It involves joining together haploid gamete cells from each parent with half the normal number of chromosomes to make a new cell containing both parents' genetic material. This is a diploid zygote. The cells from each parent that combine to form the zygote are called gametes.

Meiosis produces haploid gametes from a diploid parental cell.

The head mirror used by ENT doctors is concave.

The Indian Space Research Organisation is the space agency of the Government of India was set up in the year 1969, headquartered in the city of Bangalore. Its vision is to "harness space technology for national development while pursuing space science research and planetary exploration.

Burning the candle at both ends meaning is to overwork starting early in the morning and staying till late nights.

The Earth has four major systems or spheres. These systems are

 1. The geosphere,

 2. The hydrosphere,

 3. The atmosphere, and 

4. The biosphere.

The biosphere is the system where we belong.