What is demography?

Consider the following statement and select the option stating which ones are true (T) and which ones are false (F) (i) Emigration is the movement of individuals out of a place or country (ii) Combined contraceptive pills contain synthetic progesterone and estrogen to check ovulation (iii) Depo-Provera are estrogen derivative injections (iv) The scientific study of human population is called demography.

What is Tyndall effect? What is it due to?

What is aqua regia? What is its use ?

What is a thermodynamic system ? What are it’s types ?

What is trough ? What is the difference in wavelength between two troughs ?

What is the long from periodic table ? What are the advantages of this peroidic table ?

What is the gram molecular volume of a gas ? What is its value at NTP ?

What is dimension ? What is dimensional analysis ? Explain its uses and limitations.

What is micorsporogenesis? Where does it occur in angiosperms? What is its significance?