Category Samacheer Book Back Questions And Answers

Samacheer Book Back Questions And Answers For Science Standard 10 “Environmental Management“ I. Fill in the blanks:1. Deforestation leads to _____ in rainfall.2. Removal of soil particles from the land is called _____.3. Chipko movement is initiated against _____.4. _____…

Samacheer Book Back Questions And Answers For Science Standard 10 “Health and Disease“ I. Choose the correct answer: 1. Tobacco consumption is known to stimulate secretion of adrenaline. The component causing this could be a) Nicotine b) Tannic acid c)…

Samacheer Book Back Questions And Answers For Science Standard 10 “Breeding and Biotechnology“ I. Choose the correct answer: 1. Which method of crop improvement can be practised by a farmer if he is inexperienced? a. clonal selection b. mass selection…

Samacheer Book Back Questions And Answers For Science Standard 10 “Origin and Evolution of Life“ I. Choose the correct answer: 1. Biogenetic law states that _____. a) Ontogeny and phylogeny go together b) Ontogeny recapitulates phylogeny c) Phylogeny recapitulates ontogeny…

Samacheer Book Back Questions And Answers For Science Standard 10 “Heredity“ I. Choose the correct answer: 1. According to Mendel alleles have the following character a) Pair of genes b) Responsible for character c) Production of gametes d) Recessive factors…

Samacheer Book Back Questions And Answers For Science Standard 10 “Reproduction in Plants and Animals“ I. Choose the correct answer: 1. The plant which propagates with the help of its leaves is _____. a) Onion b) Neem c) Ginger d)…

Samacheer Book Back Questions And Answers For Science Standard 10 “Plant and Animal Hormones“ I. Choose the correct answer: 1. Gibberellins cause: a) Shortening of genetically tall plants b) Elongation of dwarf plants c) Promotion of rooting d) Yellowing of…

Samacheer Book Back Questions And Answers For Science Standard 10 “Nervous System“ I. Choose the correct answer: 1. Bipolar neurons are found in (a) retina of eye (b) cerebral cortex (c) embryo (d) respiratory epithelium 2. Site for processing of…

Samacheer Book Back Questions And Answers For Science Standard 10 “Transportation in Plants and Circulation in Animals“ I. Choose the correct answer: 1. Active transport involves a) movement of molecules from lower to higher concentration b) expenditure of energy c)…

Samacheer Book Back Questions And Answers For Science Standard 10 “Structural Organisation of Animals“ I. Choose the correct answer: 1. In leech locomotion is performed by a) Anterior sucker b) Posterior sucker c) Setae d) None of the above 2.…