AP Class 9 FA2 Question Paper 2023 Science

FORMATIVE ASSESSMENT - II - 2023 - 24 GENERAL SCIENCE 20 Class : IX ] (Max. Marks : 20) [ Time : 45 Mins. Name of the Student : ................................................................. Roll No. : ............ PHYSICAL SCIENCE (10 Marks) uÛÖ‹ø£ s¡kÕj·Tq XÊg+ (10 Marks) SECTION - I 1. Give the names of the elements present in the quick lime compound. 1 bı&çdTü qï+ düyT˚ àfi¯q+˝À ñqï eT÷\ø±\ ù|s¡T¢ ‘Ó\|ü+&ç. 2. Isotopes of an element have [ ] eT÷\ø£ ◊k˛{À|t\T ø£*– ñ+&ÉTq$. 1 a) the same physical properties b) different chemical properties ˇπø uÛÖ‹ø£ <Ûsä êà\T yπ̊s«s¡T s¡kÕj·Tq <Ûsä êà\T c) different number of neutrons d) different atomic numbers y˚sπ «s¡T q÷´Á{≤q¢ dü+K´ yπ̊s«s¡T |üse¡ ÷DT dü+K´\T SECTION - II 3. A) Write the chemical formulae of the following. 2 ÁøÏ+~ yê{ÏøÏ s¡kÕj·Tq kÕ+πø‹ø±\T Áyêj·T+&ç. a) Magnesium chloride b) Calcium oxide yÓT^ïwæjT· + ø√¢s¬ &’ é ø±*¸jT· + Ĭø’ ‡&é c) Aluminium chloride d) Calcium carbonate n\÷´$Tìj·T+ ø√¢s¬ &’ é ø±*¸jT· + ø±s√“H˚{Ÿ B) Compare the properties of electrons, protons and neutrons. 2 m˝Áø±ºqT¢, Áb˛{≤qT¢ eT]j·TT q÷´Á{≤q¢ <Ûsä êà\qT b˛\Ã+&ç. SECTION - III 4. A) State the law of conservation of mass in a chemical reaction. Describe an activity to verify this law. s¡kÕj·Tq #·s¡´˝À Á<äe´ ì‘· ´‘·« ìj·Te÷ìï ‘Ó\|ü+&ç. á ìj·Te÷ìï ìs¡÷|æ+#·T≥≈£î #˚ùd ø£è‘ê´ìï $e]+#·+&ç. (Or) B) Describe Bohr's model of the atom. 4 uÀsY |üse¡ ÷DT qeT÷HêqT e]í+#·+&ç. [ Turn Over

2 BIOLOGICAL SCIENCE (10 Marks) JeXÊg+ (10 Marks) SECTION - I 1. Connects bone to muscle : tendon :: connects bone to bone : ? 1 meTTø£qT ø£+&ÉsêìøÏ ø£\T|ü⁄q~ : kÕïj·TTã+<Ûqä + :: meTTø£qT meTTø£‘√ ø£\T|ü⁄q~ : ? 2. Which tissue is responsible for increase in grith of the stem ? 1 ø±+&É+ yê´dü+ jÓTTø£ÿ ô|s¡T>∑T<ä\≈£î ø±s¡DeTj˚T´ ø£DC≤\+ @~ ? SECTION - II 3. a) What would happen if there is no muscular tissue in the animal body ? »+‘·Te⁄\ X¯Øs¡+˝À ø£+&És¡ ø£DC≤\+ ˝Òøb£ ˛‘˚ @$T »s¡T>∑T‘·T+~ ? 2 (b) How are stomata helpful for a plant ? yÓTTø£ÿ≈£î |üÁ‘· s¡+Á<Ûë\T m˝≤ ñ|üj÷Ó >∑|&ü ‘É êsTT ? 2 SECTION - III 4. A) Write the differences between the two types of conducting tissues in plants. 4 yÓTTø£ÿ\˝À ñ+&˚ s¬ +&ÉT s¡ø±\ Á|üdsü D ¡ ø£DC≤˝≤\ eT<Û´ä uÛ<Ò ë\qT sêj·T+&ç. (Or) B) Draw a neat labelled diagram of the neuron. q÷´sêHé jÓTTø£ÿ #·øÿ£ ì |ü{≤ìï ^dæ, uÛ≤>±\T >∑T]Ô+#·+&ç.