Tag: science & technology

Spiders are arachnids, which have eight legs, distinguishing them from insects (six legs). This is a fundamental characteristic of the arachnid class. The other options (4, 6, 10) are incorrect - 6 legs is for insects, while 4 and 10 legs don't match any major arthropod group.

An orbit is the curved path of a celestial object or spacecraft around a star, planet, or moon, governed by gravity. This is the correct scientific term for a satellite's path around Earth.

Cytoplasm, mitochondria, and Golgi apparatus are all organelles found within organic cells (both plant and animal cells). These are fundamental components of cellular structure and function.

Chiron is a centaure object discovered in 1977 that orbits between Saturn and Uranus. It exhibits characteristics of both comets and asteroids, making it a unique 'mystery object' in our solar system.

A sextant is a navigation instrument used to measure the angle between a celestial object (like the sun or stars) and the horizon, allowing sailors to determine their latitude at sea.

A geriatrician is a medical doctor who specializes in the care of elderly people, focusing on health issues and diseases affecting older adults. Geriatrics is the branch of medicine concerning aged individuals.

Insects have six legs and three body segments. Fleas, wasps, and dragonflies are all insects. Scorpions are arachnids (8 legs), starfish are echinoderms, and millipedes are myriapods (many legs).

Dendrochronology is the scientific method of dating tree rings to determine chronological information. The term literally means 'tree-ring knowledge' from Greek dendron (tree) and chronos (time).

The hammer, anvil, and stirrup (also known as malleus, incus, and stapes) are the three smallest bones in the human body, located in the middle ear. They transmit sound vibrations from the eardrum to the inner ear. 'Blacksmith's' is a distractor playing on the tool names, and these bones are not found in the nose or gut.

Insulin is produced by the beta cells of the Islets of Langerhans, which are clusters of endocrine cells located within the pancreas. These cells regulate blood sugar levels by secreting insulin. Insulin is not produced in the kidney, liver, or bone marrow.