Classic Classic Quiz 9th Standard Science by Iplfreak Iplfreak 49 211 played - 14 yrs ago 9th standard Science objective questions QUIZ 11 QUESTIONS hard 1 The acceleration given to a body by a force applied to it is directly proportional to ForceMassAccelerationMomentum 2 A body of mass 4Kg when a force of 200N acts on it produces an acceleration of 30m/sec240 m/sec250 m/sec2100 m/sec2 3 Momentum of a body depends upon its Mass and AccelerationMass and forceMass and VelocityMass and time 4 Objects thrown vertically upwards move for a certain distance and then falls back due to Magnetic forceGravitational ForceUniversal LawMuscular force 5 Which one of the following is seldom responsible for cracking of rocks? Covalent bondHydrogen bondMetallic BondIonice bond 6 In which solvent is common salt soluble? EtherBenzeneWaterKerosene 7 The expanded form of DNA is De Ribose nucleic AcidOxy Ribose Nucleic AcidDeoxy Nucleic AcidDeoxy Ribose Nucleic Acid 8 Centriole is associated with ReproductionDNA SynthesisRespirationSpindle fibre formation 9 Mitosis occurs in Vegetative cellEpidermal cellReproductive cellDead cell 10 Which of the following is made use of to open the tightened lid of a bottle? Superficial expansionLinear expansionThermal expansionCubical expansion 11 The Stage in which the storage of food and synthesis of materials take place inside the cell just before the cell division is called TelophaseInner phaseProphaseMetaphase
