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ayaa wa TA 1, 2021-22, , , , mat —IX; foe: fart waz :90 min., Practice paper - |, 2021-22, , Class IX; Subject : Natural Science Time:90 min., , arara frat :, , 1. 3 oa wa A dis um zg |, 2. UT ar A 2a we S eae S feet 20 val & oR die |, 3. UT a Foo a 1 Sta @ feet 20 wal & ou diem |, 4. UT a A io va Ss Lge @ feet 10 vat & ou cifer |, 5. Ut vat & war sip F sik Ul UA 0.80 sim HT I, 6. wa a A oe Hh BUT sin ae ez |, , General Instructions:, , . The Question Paper contains three sections., , . Section A has 24 questions. Attempt any 20 questions., , . Section B has 24 questions. Attempt any 20 questions., , . Section C has 12 questions. Attempt any 10 questions., , . All questions carry equal marks. i.e. 0.80 mark for each question., , . There is no negative marking., , AuhRWNH, , , , Urt- H/ SECTION-A, © STMT a Hos wae, Sar A oral feet 20 wal Ga e, This Section consists of 24 questions., You have to Attempt any 20 questions from this section., , , , BR, lee., , aged Ua (ast alexa , _facagia ¢ sie _facrae stat 21, A. UG ; OMA Sais |, , In ‘aerated water (soda)’, a solute is and a solvent is, A. water ; carbon dioxide, , B. carbon dioxide ; water, , C. water ; sugar, , D. sugar ; water, , , , , , Which of the following is a homogeneous mixture ?, A. mixture of salt in water., , B. mixture of soil in water ., , C. mixture of sodium sulphate in water., , D. both AandC.

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DNA stands for :, A. deoxyribonucleic acid ., B. deoxypentonucleic acid ., , C. double nucleic acid ., D. both AandC., , , , wafer vert sa até :, 1, , ii. DNA, , iii, SAR, , ALi AT ii, , B. ii a iii, , C. i, ii A iii, , D. #44 iii, , Chromatin material is made up of :, i. protein, , DNA, , iii. chromosomes, , A. iand ii, , B. ii and iii, , C. i, ii and iii, , D. only iii, , , , , , ‘HURT Rea Uae Ved foes fear / SedHrel feat UT:, a, tad set, , B. Wad ge, , c. Wage, , D. a, , Who coined the word ‘cell’ :, , A. Robert Brown, , B. Robert Hook, , C. Leeuwenhoek, , D. Schwann, , , , , , 10., , , , Tea fel & ERI Ve & ssi gt Wa A Head e?, AIRRRU, , B.feeRu, , c.sfa Faso, , DRIARRO, , The movement of water molecules through plasma membrane is called:, A. osmosis, , B. diffusion, , C. intermixing, , D. translocation