01- WBC (white blood cells) are of two types. Lymphocytes and Monocytes

02- There are four elements in the Halogen Group.
01 fluorine (F)
02 Chlorine (Cl)
03 Bromine (Br)
04 iodine

03- helium (ne), ne, argon (ar), krypton, janeon (xe), radon (rn) is the noble gases.

04- Cast iron consists of 2 to 4.4 percent carbon.

05- Panged iron is the purest form of iron. In which 0.25 percent of carbon is found.

06- Carbon is found in steel from 0.75 to 2 percent.

07- Bacteria have leprosy, cholera, diphtheria, TB, tetanus, typhoid and plague diseases.

08- Air pressure is measured by barometry.

09- The word ‘monsoon’ is derived from the Arabic word maasim.

10- The wind bag is measured by anemometer.

11- Study of cells is called cytology.

12- The action of photosynthesis occurs in the chloroplasts.

13- Hydra is an organism in which there is no blood. But he breathes.

14- The people working in the mine of coal gets black lung disease.

15- The burial spleen of RBC (red blood circulation) is called spleen.

16- Urine color is yellow due to urocrom in the urine.

17- Soybean and groundnut contain high amounts of protein.

18- PH value of blood is 7.4.

19- Fibrinogen Protein is found in Plasma. Which works to regulate blood clots.

20- The caves of Ajanta Ellora are in Maharashtra.