Q.3 Define the following: -
1. Mixture
2. Filtration
3. Lusture
4. Opaque
5. Hand Picking
6. Creepers
7. Photosynthesis
8. Rib Cage
9. Cartilage
10. Germination
Answers
Answer:
1.In chemistry, a mixture is a material made up of two or more different substances which are physically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids
2.Filtration is the process of separating suspended solid matter from a liquid, by causing the latter to pass through the pores of some substance, called a filter. The liquid which has passed through the filter is called the filtrate.
3.the state or quality of shining by reflecting light; glitter, sparkle, sheen, or gloss: the luster of satin.
4.. not transparent or translucent; impenetrable to light; not allowing light to pass through. not transmitting radiation, sound, heat, etc. not shining or bright; dark; dull. hard to understand; not clear or lucid; obscure: The problem remains opaque despite
5.The process used to separate slightly larger particles from a mixture by hand is called handpicking. For example: Stone pieces can be separated from wheat or rice by handpicking
6.one that creeps: such as. a : a creeping plant. b : a bird (as of the family Certhiidae) that creeps about on trees or bushes searching for insects. c : a creeping insect or reptile
7.the process by which green plants turn carbon dioxide and water into food using energy from sunlight
8.the bony enclosing wall of the chest consisting chiefly of the ribs and the structures connecting them.
9.Cartilage is a resilient and smooth elastic tissue, a rubber-like padding that covers and protects the ends of long bones at the joints and nerves, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.
10.Germination is usually the growth of a plant contained within a seed; it results in the formation of the seedling. It is also the process of reactivation of metabolic machinery of the seed resulting in the emergence of radicle and plumule.