Rajesh

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.…

Samacheer Book Back Questions And Answers For Science Standard 10 “Anatomy and Plant Physiology“ I. Choose the correct answer:1. Casparian strips are present in the _____ of the root.a) cortexb) pithc) pericycled) endodermis 2. The endarch condition is the characteristic…

Samacheer Book Back Questions And Answers For Science Standard 10 “Carbon and its Compounds“ I. Choose the best answer:1. The molecular formula of an open chain organic compound is C3H6. The class of the compound isa. alkaneb. alkenec. alkyned. alcohol…

Samacheer Book Back Questions And Answers For Science Standard 10 “Types of Chemical Reactions“ I. Choose the correct answer:1. H2(g) + Cl29(g) → 2HCl(g) is aa. Decomposition Reactionb. Combination Reactionc. Single Displacement Reactiond. Double Displacement Reaction 2. Photolysis is a…

Samacheer Book Back Questions And Answers For Science Standard 10 “Solutions“ I. Choose the correct answer:1. A solution is a _____ mixture.a. homogeneousb. heterogeneousc. homogeneous and heterogeneousd. non homogeneous 2. The number of components in a binary solution is _____.a.…

Samacheer Book Back Questions And Answers For Science Standard 10 “Periodic Classification of Elements“ I. Choose the best answer:1. The number of periods and groups in the periodic table are _____.a) 6,16b) 7,17c) 8,18d) 7,18 2. The basis of modern…

Samacheer Book Back Questions And Answers For Science Standard 10 “Atoms and Molecules“ I. Choose the best answer:1. Which of the following has the smallest mass?a. 6.023 × 1023 atoms of Heb. 1 atom of Hec. 2 g of Hed.…

Samacheer Book Back Questions And Answers For Science Standard 10 “Nuclear Physics“ I. Choose the correct answer:1. Man-made radioactivity is also known as _____.a. Induced radioactivityb. Spontaneous radioactivityc. Artificial radioactivityd. a & c 2. Unit of radioactivity is _____.a. roentgenb.…