Answer: (4) Naphthalene balls Coal tar also produces naphthalene balls used to resist insects and other insects. A bitumen petroleum... View Article
Answer: (1) permanent tissue Permanent tissue cells generated by meristematic tissues grow and are differentiated upon maturity to perform specialised... View Article
Answer: Foods containing adequate amounts of vitamins, minerals and high quality proteins, such as leafy or yellow vegetables, citrus fruits,... View Article
Answer: (3 Yeast Fungus Structures called sporangia create tiny cells called spores in the spore forming process. When the spores... View Article
Answer: Diadelphous androecium develops in two bundles or groups when the filaments of the stamens are fused. It is seen... View Article
Answer: A machine used for cutting the matured crop is Harvester. Crop production is the process of growing crops for... View Article
Answer: Chemical equation The representation of a chemical reaction in the form of substances is known as a chemical equation.... View Article
Answer: (1) lower than that of H₂O Lyophilic sols are those where the substances have a high affinity for the... View Article
Answer: (4) Layers of Xylem in a stem The tree forms new cells annually, organized in concentric circles termed as... View Article
Answer: (3)silica Graphite is a carbon element. Silicon(Si) and germanium(Ge) are also elements, but silica (SiO2) is not an element.
Answer: One edge of a petal in Twisted Aestivation covers the adjacent petal and the other margin is covered by... View Article
Answer: The process of treating permanent hardness of water using synthetic resins generally based on exchange of anions and cations... View Article
Answer: Siphonogamy Both angiosperms and gymnosperms are seed-bearing plants with a few similarities. In plants, siphonogamy is a process in... View Article
Answer: The sharp, hooked claws at the end of the toes are a bird’s talons. Birds have one talon on... View Article
Answer: 3√6 + 4√6 = 7√6 A Radical is an expression that involves a root, usually a square root or... View Article
Answer: cephalochordata is marine and filter-feeder The notochords continue throughout life and spread to the region of the brain. The... View Article
Answer: 2 A transistor is an electronic component used either to amplify or to transfer electrical signals or power in... View Article
Answer: 7/24 In mathematics, a rational number is a type of real numbers. It can be defined as any number... View Article
Answer: The common name for Na2SO4.10H2O is Sodium Sulphate decahydrate. It is used primarily for the production of detergents and... View Article
Answer: – 497 We know the formula a2 – b2 = (a + b)(a – b) 2482 – 2492 can... View Article