Explanation

• The study of the structure of tissues of plants and animals is known as Histology.
• It involves examining the structure, composition, and function of cells and tissues under a microscope.
  

Additional information:

• Geology is the study of rocks and Earth's structure.
• Radiology is the study of medical imaging techniques like X-rays and MRI.

Last verified on 22-01-2026

Explanation

• Osteology is the branch of anatomy that deals with the study of bones.
• The adult human skeleton typically contains 206 bones.
• Bones provide support, protect internal organs, help in movement, store minerals such as calcium and phosphorus, and produce blood cells in the bone marrow.

Additional information:

• Morphology studies the form and structure of organisms.
• Cytology deals with the study of cells.

Last verified on 28-10-2026

Explanation

• The word Botany is derived from the Greek word botanē, meaning grass, herbage, or plants.
• Botany is the branch of biology that deals with the scientific study of plants.
• It includes the study of plant structure, growth, reproduction, classification, and diseases.

Last verified on 28-10-2026

Explanation

• Water has maximum density at 4°C.
• When Water is in its Solid form (Ice) below 0°C.

Last verified on 27-10-2026

Explanation

• Paleontology: The scientific study of fossils and ancient life.

Additional information:

• Archaeology: The study of past human societies through material remains.
• Geology: The study of Earth's structure, rocks, and processes.
• Anthropology: The study of humans, their evolution, and cultures.

Last verified on 25-10-2026

Explanation

• A heterocyclic compound is a cyclic compound whose ring contains at least one atom other than carbon, such as nitrogen, oxygen, or sulfur.
• Indole is a heterocyclic compound consisting of a benzene ring fused with a five-membered nitrogen-containing ring.
• Pyridine is a heterocyclic compound with a six-membered ring containing five carbon atoms and one nitrogen atom.

Last verified on 25-10-2026

Explanation

• Electrochemistry is the branch of chemistry that studies the relationship between electrical energy and chemical energy, including their interconversion.
• It deals with electrochemical cells, batteries, electrolysis, and oxidation-reduction (redox) reactions.
• Galvanic cells convert chemical energy into electrical energy.
• Electrolytic cells use electrical energy to drive chemical reactions.

Last verified on 25-10-2026

Explanation

• The Total Fertility Rate (TFR) is the average number of children a woman is expected to have during her reproductive years, based on current age-specific fertility rates.
• It is generally expressed as the number of children per woman.

Additional information:

• The Crude Birth Rate (CBR) measures the number of live births per 1,000 people in a population per year.
• The Dependency Ratio compares the dependent-age population with the working-age population.

Last verified on 23-10-2026

Explanation

• An electron carries a negative electric charge.
• Its charge is approximately −1.602 × 10⁻¹⁹ C.
• A proton has an equal magnitude of positive charge, while a neutron has zero electric charge.
• The charge of an electron is called the elementary charge with a negative sign.

Explanation

• Olericulture is a branch of horticulture.
  • It focuses on the cultivation, growth, and harvesting of vegetables.
  • Helps improve yield, quality, and pest management in vegetables.
  • Important for food supply and nutrition.
  • Examples include tomatoes, carrots, and cabbage.

Last verified on 12-02-2026