Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Which of the following statement in incorrect about algae? Their classification is based on pigment composition Most of them have different morphological forms in different stages of their life cycle. Their zygote unlike plants is protected by parental tissue almost all of them are aquatic 2 / 25 A stable molecule is a group of atoms held together by Chemical forces Valent forces None of above Physical forces 3 / 25 Which set of hybride orbital has square planer shape? d2sp3 SP3 dsp2 dsp3 4 / 25 Do not freeze at low temprature as -400C and donot melt at 2000 C Silicates Silicones Carbides Silcon 5 / 25 Choanoflagellates are named so because of presence of Ciliated cells Collared cells Collared flagellated cells Flagellated cells 6 / 25 The type of bonding in HCI is Highly polar Polar covalent Hydrogen bonding Pure covalent 7 / 25 The bond order for BO molecule is 2 3.5 3 2.5 8 / 25 Which of the following compounds has highest boiling point? HCIO3 HF HBr HI 9 / 25 What is the raw material of sugar industry Both A and C Potato Sugar cane Sugar beat Carrot 10 / 25 Which of the following carbides reacts with H2O to form propone? CaC2 SiC AI4C3 SiC 11 / 25 Which is the sequence of region of electromagnetic spectrum? Microwaves, x-rays, visible and UV UV, Cosmic rays, Microwaves , x-rays and visible Cosmic rays, X-rays, visible and UV Visible, UV, X- rays and cosmic rays 12 / 25 The following oxo acid have been arranged in the order decreasir acid strength. Identify the correct order HCIO(1), HCIO2(II), HCIO3(III), HCIO4 III>II>I>IV IV>III>II>I IV>II>I I>II>III>IV 13 / 25 Which of the following represents the correct order of increasing pKa value of the given acids? HCIO4<HNO3<B(OH)3<H2CO3 B(OH)3<H2CO3<HCIO4<HNO3 HNO3<HCIO4<B(OH)3 < H2CO3 HCIO4<HNO3<H2CO3<B(OH)3 14 / 25 The energy gap between two bonds is so large that it effectively prevents the promotion of electron from the lower to the higher band. Such energy gap all called Ionization zone Distortion zone Forbidden zone Dissociation zone 15 / 25 A green alga having sheet-like body is Spirogyra Ulva Desmids Chlamydomonas 16 / 25 Fing correctly spell word Bureacracy Bvureaucecy Bureaucracy Buerocracy 17 / 25 Of the following, which one is not the characteristic of dinoflagellates Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium Most of them are unicellular None of these They have blooms 18 / 25 Which among the following is a false statement? Natural Si exists only in the combined state Si can be prepared ny reducing SiO2 with Mg Si does not exist in graphite-like structure, but exists only in diamond-like structure SiO2 has a structure similar to that of CO2 19 / 25 Which of the following acid radical is not interfering? Flouride Phosohate Sulphate Oxalate Borate 20 / 25 Stable metal ions structure are All of above Is-electron group structure Transition metal in structure, Noble gas structure 21 / 25 A no is increased by 20% and then decreased by 20% the final value of does not change decrease by 4% Increase by 4% decreased by 2% 22 / 25 The correct formula from of the coordination compounds is Both a and b None of above [Pt(NH3)6] CI4 PtCI4. 6NH3 23 / 25 The group of algae having no flagellate motile cells at any stage is Chlorophyta Phaeophyta Chrysophyta Rhodophyta 24 / 25 Main constituent of all inorganic matter Lead Tin Silicon Carbon 25 / 25 A students gets 50, 60 and 90 marks out of 100. English , physics and economics respectively. He need 72% to get a scolarship. How many marks does he need t6o get in his final paper. Math's to obtain over all 72% marks 88 82 84 86 Your score is Share: Quiz Dad Previous post Quiz Medium 3 October 1, 2022 Next post Quiz Medium 5 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 3 1 October, 2022
