Super Quiz On General Science.

Explanation
Platelets are indeed a part of blood. They are small, colorless cell fragments that help in blood clotting. When a blood vessel is damaged, platelets rush to the site and form a plug to stop bleeding. They also release chemicals that attract other components of the blood clotting system. Therefore, platelets play a crucial role in preventing excessive bleeding and maintaining the integrity of the circulatory system. Veins, blue blood cells, and neurons are not components of blood.

Explanation
The Triceratops is the correct answer because it is a dinosaur that lived during the Late Cretaceous period and is now extinct. It had a large bony frill and three horns on its head, making it a distinctive and well-known dinosaur species. The other animals listed, such as the Bald Eagle, Robin, and Rabbit, are not extinct and can still be found in various parts of the world today.

Explanation
Biogenesis is the theory that states that living things can only arise from other living things. This theory contradicts the concept of spontaneous generation, which suggests that living organisms can emerge from non-living matter. Biogenesis is supported by scientific evidence and has been widely accepted in the field of biology. It is based on the observation that all known living organisms reproduce and give rise to offspring that share similar characteristics.

Explanation
The unit used to measure length in the scientific measurement system is meters. Meters are a fundamental unit of length and are commonly used in scientific research and calculations. They are a part of the International System of Units (SI) and provide a standardized way to measure distances. Pounds, seconds, and grams are units used to measure weight, time, and mass respectively, not length.

Explanation
Electron is the correct answer because it is the only atomic particle that is found outside the nucleus. Neutrons and protons make up the nucleus of an atom, while electrons orbit around the nucleus in specific energy levels. Neurons, on the other hand, are not atomic particles but are cells found in the nervous system of living organisms.

Explanation
The kilogram is the scientific unit used to measure mass. It is defined as the mass of the International Prototype of the Kilogram, a platinum-iridium cylinder kept at the International Bureau of Weights and Measures in France. The kilogram is a fundamental unit of the International System of Units (SI) and is widely used in scientific and everyday measurements of mass.

Explanation
The equation for Newton's Second Law states that force is equal to mass multiplied by acceleration. Therefore, acceleration is a factor in the equation. Volume, length, and time are not included in the equation for Newton's Second Law.

Explanation
Gold is an element because it is a pure substance made up of only one type of atom. It cannot be broken down into simpler substances by chemical means. In the periodic table, gold is represented by the symbol "Au" and has an atomic number of 79. It is a highly valued metal known for its lustrous yellow color and is often used in jewelry and electronics.

Explanation
Carbon Dioxide is a compound because it is made up of two different elements, carbon and oxygen. It is formed when carbon combines with oxygen through a chemical reaction. Chlorine, sodium, and lead are all elements, not compounds, as they consist of only one type of atom.

Explanation
Humidity level is an abiotic factor in an environment because it is a non-living component that affects the living organisms within that environment. It refers to the amount of moisture present in the air and can have a significant impact on the survival and behavior of organisms. Different species have different tolerances to humidity levels, and it can influence their physiological processes, such as respiration and water balance. Therefore, humidity level is an abiotic factor that plays a crucial role in shaping the characteristics and dynamics of an ecosystem.

Explanation
The biosphere refers to the portion of Earth that sustains life. It includes all living organisms and their interactions with the environment. This term encompasses all ecosystems, including land, water, and air. Bioluminescence is the production and emission of light by living organisms, which is unrelated to the portion of Earth that sustains life. The atmosphere is the layer of gases surrounding the Earth. While it plays a crucial role in sustaining life, it is not synonymous with the biosphere. Biology is the scientific study of living organisms, which is a broader concept than the biosphere.

Explanation
The lowest level of ecological organization is the organism. This refers to an individual living entity, such as a plant, animal, or microorganism. At this level, the focus is on the specific characteristics, behavior, and interactions of a single organism within its environment. It is the fundamental unit of study in ecology and provides the building block for higher levels of organization, such as populations, communities, and ecosystems.

Explanation
A habitat is the place where living creatures live out their lives. It refers to the natural environment or surroundings in which an organism or a community of organisms lives, including all the physical and biological factors that affect their survival and reproduction. It provides the necessary resources and conditions for the organisms to thrive and fulfill their needs. Therefore, habitat is the correct answer as it accurately describes the place where living creatures reside.

Explanation
Kepler's first law states that the path of a planet is defined as an ellipse. An ellipse is a geometric shape that resembles a stretched-out circle. It has two focal points, and the sum of the distances from any point on the ellipse to these focal points remains constant. This law revolutionized our understanding of planetary motion and replaced the previously held belief that planets moved in perfect circles. The discovery of the elliptical paths of planets was a significant contribution to the development of modern astronomy.

Explanation
A dog is classified as a mammal because it possesses the characteristic features of mammals. Mammals are warm-blooded vertebrates that have fur or hair, give birth to live young, and nurse their babies with milk produced by mammary glands. Dogs have all of these characteristics, making them mammals.