Explanation

Lack of insulin causes diabetes.

Diabetes is a condition that happens when your blood sugar (glucose) is too high.

It develops when your pancreas doesn't make enough insulin.

Explanation

• Structure of DNA was discovered by James Watson and Francis Crick in 1953.
• They discovered the double-helix structure of DNA using X-ray crystallography data.
• Their discovery revealed the double-helix structure of DNA, where two complementary strands are twisted together with sugar and phosphate molecules, and the nitrogenous bases (adenine, thymine, cytosine, and guanine) pair in a specific manner.

Explanation

Symbol of mercury: Hg

Atomic number: 80

Boiling Point: 356.7 C

Explanation

Gamma rays are the highest energy photons, with energies typically above 100,000 electronvolts (eV).

They are a type of electromagnetic radiation, like X-rays and visible light, but with much shorter wavelengths and higher frequencies.

Explanation

• Paleontology is the scientific study of fossils and ancient life forms, focusing on the history of life on Earth, evolution, and extinction.
• Paleontologists use fossils to reconstruct the biology, ecology, and behavior of ancient organisms.

Explanation

Explanation

Vitamin D toxicity, also called hypervitaminosis D.

It causes hypercalcemia and renal failure.

Daily Vitamin D requirement is 200–600 IU.

While skin produces up to 10,000 IU after full UV exposure.

Explanation

• Thermometer is the instrument used to measure temperature.
• It is a device that measures the temperature of a substance or environment, typically consisting of a glass tube filled with a liquid that expands or contracts in response to changes in temperature.

Explanation

Scotograph is an instrument used for aiding the blind to write.

It helps visually impaired individuals in forming letters and words by providing a tactile guide.

Explanation

Chloroquine is a medication used to prevent and treat malaria.

It is a disease caused by parasitic protozoans.

It is commonly used as an anti-malarial drug.

It has been widely used for decades.

Chloroquine was discovered in 1934.