Across
- 4. unit of measurement of ampere
- 7. which gas is emitted by adding dilute sulfuric acid to granulated zinc?
- 9. The nearest spiral galaxy apart from the Milky Way galaxy is
- 10. twinkling of stars is as a result of ----- of light
- 14. what are the biological factors causing disease called
- 16. which color of flame is emitted when a ribbon of magnesium is combusted?
- 17. Har Gobind Khorana had researched on understanding ----- code
- 19. why does the color of tomatoes turn red when ripe?
- 20. a disease that can be caused by the deficiency of nicotinic acid for a long time is?
Down
- 1. Polio disease is caused by
- 2. In the host cell, replication of RNA virus took place in...
- 3. Carbonaceous rocks which produce coal and oil belong to the category of rocks called_______.
- 5. Heart is made up of ---- muscle
- 6. what is the unit of genetics?
- 8. who discovered bacteria
- 11. Black cotton soils is also called
- 12. A virus is made up of a DNA or RNA genome inside a protein shell known as:
- 13. spermatophytes are also known as
- 15. antibiotics kills?
- 18. Ribosome was discovered by?