Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Which of the following statement about ciliates in incorrect? They are even capable of sexual reproduction Diploid nucleus being smaller is responsible for cell's metabolism and growth? Their contracticle vacuole is responsible for water regulation Contains mainly uncicellular organisms 2 / 25 Bromine number is measure of Saturates None of these Unsaturates Aromatics Paraffines 3 / 25 The group of algae having no flagellate motile cells at any stage is Chrysophyta Phaeophyta Rhodophyta Chlorophyta 4 / 25 Group Vll A of periodic table consist of elements 5 4 7 6 5 / 25 Which of the following statement in incorrect about algae? Their classification is based on pigment composition Their zygote unlike plants is protected by parental tissue almost all of them are aquatic Most of them have different morphological forms in different stages of their life cycle. 6 / 25 which of the prozoa has a striking resemblance to collar cells in sponges? Zooflagellates Trypanosomoa Trichonymphas Choanflagellates 7 / 25 The most important condition for the formation of oionic bond are High ionization energy of the metallic atom and high electron affinity of non-metallic atom High ionizations energy of the metallic atom and high electron afficinty of the non-metallic atom Low ionization of the metallic atom and low electron affinity of the non-metallic atom Low ionization energy of metallic atom and high electron affinity of the non-metallic atom 8 / 25 A stable molecule is a group of atoms held together by None of above Valent forces Chemical forces Physical forces 9 / 25 When two atoms of hydroghen combine to from a molecule of hydrogen gas, the energy of the hydrogen molecule is Lower than that of separate H atoms Sometimes lower and sometimes higher than that of separate H atoms Equal to that of separate H atoms High than that of separate H atoms 10 / 25 Hydrolytic reaction of fat with caustic soda is known as Carboxylation Esterification Saponification Hydration Acetylation 11 / 25 The vast limestone deposits is believed to be created by Zooflagellates foraminiferans Apicomplexans Ciliates 12 / 25 Which among the following is a false statement? Si does not exist in graphite-like structure, but exists only in diamond-like structure Natural Si exists only in the combined state SiO2 has a structure similar to that of CO2 Si can be prepared ny reducing SiO2 with Mg 13 / 25 Fgravimetric analysis does not involve which of the following process Washing Precipitating Digesting Titrating 14 / 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 86 82 84 15 / 25 H-bond has preferred bonding direction like Coordinate bond Covalent bond None of above Ionic bond 16 / 25 The water regulation in fresh water cilitate is considered by special organelle called Pseudovacuie Contractile Vacuole Central vacuole Egestion Vacuole 17 / 25 The boiling point of water is unexpectedly high because H2O molecule is linear There is hydrogen bonding consequent association of H2O molecules sp3-hydrogen bonding is involved in the formation of water Oxygen is the first member of the VI group 18 / 25 Which of the following radical is not a member of III group? Fe2+ Cr2+ Al3+ Cr3+ Fe3+ 19 / 25 In manufscturing of cement crystalization of amorphous dehydration products of clay 1000 TO 11000C 9000C to 12000C 12500C to 14000C 5000C to 8000C 20 / 25 Yellow colour of the flame is observed with Potassium salt Sodium salt Barium salt Calcium salt Strontium salt 21 / 25 An example of sessile ciliate is Vorticella Balantiduum Paramecium Stentor 22 / 25 Of the following, which one has glassy shells? none Both of these Forams Radiolarians 23 / 25 According to Fajns rules, which one of following results in increased ionic nature of the covlant bond? Larger cation and smaller charge on anion Smaller cation and larger charge on anoin Smaller cation and smaller charge on anoin Larger cation and larger charge on anion 24 / 25 Which of the following form of coal has maximum %age of carbon? Peat Anthracite Sub-bitaminous Bituminous 25 / 25 Golden algae are also known as Phaeophyta Chrysophyta Chlorophyta Rhodophyta 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
