Explanation

• The average normal body temperature is generally accepted as 98.6°F (37°C).
• A temperature over 100.4°F (38°C) means you have a fever.

Additional Information:

• Hypothermia is the term used for temperature less than 36.50°C.
• Mild Pyrexia is the term used for temperature (99-100°F).
• Moderate Pyrexia is the term used for temperature (100-103°F).
• Severe Pyrexia is the term used for temperature (103-105°F).

Explanation

• The nucleus contains DNA (genetic material).
• It controls all cellular activities like growth, division, and protein synthesis.
• That is why it is called the control center of the cell.

Last verified on 25-05-2026

Explanation

• Vitamins act as protective nutrients in the body.
• They help regulate metabolism, immunity, and normal body functions.
• Their deficiency leads to specific diseases like scurvy (Vitamin C) and rickets (Vitamin D).

Last verified on 25-05-2026

Explanation

• Tube wells extract water from underground layers called aquifers.
• They are widely used for irrigation and drinking water.
• Water is pumped to the surface using electric or diesel pumps.
• Tube wells are important in agricultural areas.
• They help where surface water is limited.

Last verified on 24-05-2026

Explanation

• Ribosomes are the sites of protein synthesis in the cell.
• They read genetic instructions (mRNA) and assemble amino acids into proteins.
• They can be found free in the cytoplasm or attached to rough ER.
• They are made of RNA and proteins.
• They are present in both prokaryotic and eukaryotic cells.

Last verified on 06-05-2026