Answer: (2) Funaria is non-vascular plants which are found on land. They require water for survival and reproduction. They are also known as the... View Article
Answer: (2) Stamen is the male reproductive organ and is also known as Androecium. It consists of two parts known as anther and filaments. It... View Article
Answer: (1) A is idempotent (2) B is idempotent (3) At is idempotent Given AB=A and BA=B Consider AB = A Then A(BA) = A (Since B = BA) ⇒... View Article
Answer: (4) Photochemical smog or summer smog is a type of smog that is produced when UV light originating from the sun interacts with the oxides... View Article
Answer: On boiling, the cells of Rheo leaves die. If we put sugar solution after the death of leaf cells there will be no intake of water due... View Article
Answer: (4) Sporogenous tissue is located at the centre of each microsporangium in a young anther. With the development of the anther, the... View Article
Answer: (2) The heart is the main organ involved in blood circulation. Arteries carry oxygenated blood away from the heart to the body while the... View Article
Answer: A synthetic detergent is any synthetic material apart from soap, that is an effective cleanser and works equally well in hard or soft... View Article
Answer: During muscle contraction, the thin filaments slide over the thick filaments. A signal sent by the central nervous system via motor... View Article
Answer: Prism is a three-dimensional solid object in which the two ends are identical. It is the combination of the flat faces, identical bases... View Article
Answer: Flowers are the reproductive part of a plant. They are not only involved in reproduction but are also a source of food for other living... View Article
Answer: The difference between the pinnately compound leaf and palmately compound leaf is given below. Pinnately Compound Leaf Palmately... View Article
Answer: The compounds in solid, liquid or gaseous state which contain carbon in its molecule are known as organic compounds. Organic compounds... View Article
Answer: Lactometer is a small glass instrument that is used to test the purity of the milk. It works on the principle of specific gravity of... View Article
Answer: Transcription is the first step of gene expression that involves the formation of RNA molecules from DNA. Transcription in prokaryotes:... View Article
Answer: (3) Borax is a salt of weak boric acid and strong sodium hydroxide base. The other name of borax is sodium borate, sodium tetraborate or... View Article
Answer: Hydrogen peroxide is a chemical compound containing molecules of hydrogen and water. Its chemical formula is written as H2O2. When... View Article
Answer: (1) The atomic number of chromium = 24. The electronic configuration in the ground state is Cr (Z = 24) = 1s2, 2s2 2p6 3s2 3p6 4s1... View Article
Answer: The spinal nerve is a combined nerve that contains the motor , sensory and autonomic signals between the spinal cord and the body. The... View Article