Description : Which one of the following about `CH_(2)SF_(4)` and `SF_(4)SOF_(4), OCF_(2)` molecules is/are incorrect?
Last Answer : Which one of the following about `CH_(2)SF_(4)` and `SF_(4)SOF_(4), OCF_(2)` molecules is/are incorrect ... will be `lt 120^(@)` in molecule `OCF_(2)`
Description : Incorrect statement about `SF_(4)` is
Last Answer : Incorrect statement about `SF_(4)` is A. Seesaw Structure B. `Sp^(3)d` hybridization C. One lone pair D. Sulphur is in second excited state
Description : Which of these statements incorrectly compare between `SF_(4)` and `SF_(6)` ?
Last Answer : Which of these statements incorrectly compare between `SF_(4)` and `SF_(6)` ? A. both molecule ... with water whereas `SF_(6)` is inert towards water
Description : Given below are four statements pertaining to separation of DNA fragments using gel electrophoresis. Identify the incorrect statements. (i) DNA is negatively charged molecule and so it is loaded on gel towards the anode terminal. (ii) DNA ... (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Last Answer : (d) (i), (ii) and (iv)
Description : Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) ... (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.
Last Answer : (c) The enzyme binds DNA at specific sites and cuts only one of the two strands.
Description : Which one of the following statements is incorrect? (a) The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex. (b) The presence of the competitive inhibitor ... . (d) In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
Last Answer : (b) The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate
Description : Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of ... transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.
Last Answer : (c) Enzymes of electron transport are embedded in outer membrane.
Description : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :-
Last Answer : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :- A. 5 B. 4 C. 3 D. 2
Description : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` (iii) `H_(2)O` (iv) `NO_(2)Cl` (v) `SF_(6)` (
Last Answer : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` ( ... )` (xii) `COCl_(2)` (viii) `C Cl_(4)`
Description : A list of species having the formula of `XZ_(4)` is given below `XeF_(4), SF_(4), SiF_(4), BF_(4)^(-), BrF_(4)^(-), [Cu(NH_(3))4]^(2+),[FeCl_(4)]^(2-)
Last Answer : A list of species having the formula of `XZ_(4)` is given below `XeF_(4), SF_(4), SiF_ ... the total number of species having a square planar shape is
Description : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Last Answer : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Description : Number of planar atoms in `SF_(6)` is
Last Answer : Number of planar atoms in `SF_(6)` is A. 7 B. 6 C. 5 D. 4
Description : `SF_(6)` is exceptionally stable due to
Last Answer : `SF_(6)` is exceptionally stable due to A. S - F Bond is strong B. Steric reasons C. Un Symmetrical geometry D. Exothermic compound
Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_
Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct
Description : Statement-I : `SF_(4)` and `SeF_(4)` are used as fluorinating agent Statement-II : The conversion of `-COOH` to `-CF_(3),C=O` to `CF_(2)` and P = O to
Last Answer : Statement-I : `SF_(4)` and `SeF_(4)` are used as fluorinating agent Statement-II : The ... Statement-I is not correct and Statement-II is correct
Description : The structrue of `SF_(4)` is
Last Answer : The structrue of `SF_(4)` is A. Squre planar B. Tetrahedral C. see-saw structure D. Octahedral
Description : The hybridisation of sulphur in `SF_(6)` is
Last Answer : The hybridisation of sulphur in `SF_(6)` is A. `sp^(3)` B. `d^(2)sp^(3)` C. `sp^(3)d^(2)` D. `sp^(3)d`
Description : The hybridisation of sulphur in `SF_(4)` is
Last Answer : The hybridisation of sulphur in `SF_(4)` is A. `sp^(3)` B. `sp^(3)d` C. `dsp^(2)` D. `sp^(3)d^(2)`
Description : For reactions of metals to form their oxide one gram `O_(2)` molecule is used may be plotted graphically against temperature Select incorrect using gi
Last Answer : For reactions of metals to form their oxide one gram `O_(2)` molecule is used may be plotted graphically ... rarr 2CO(g), DeltaG^(0)=x kJ//mol`
Description : Which of the following is incorrect about `S_(8)` molecule
Last Answer : Which of the following is incorrect about `S_(8)` molecule A. No. of lone pairs : 16 B. covalency : 2 C. Bond order : 1 D. Bond length : `205.7` pm
Description : Which of the following is/are incorrect statements(s) for phosphine ?
Last Answer : Which of the following is/are incorrect statements(s) for phosphine ? A. It is less basic then ` ... burns in air forming predominantly `H_(3)PO_(4)`
Description : Which is the correct statement(s) for Non Recursive predictive parser? S1: First(α) = {t | α => * t β for some string β } => *tβ S2: Follow(X) = { a | S => * αXa β for some strings ... and S2 is correct. (C) S1 is correct and S2 is incorrect. (D) Both statements S1 and S2 are correct.
Last Answer : (D) Both statements S1 and S2 are correct.
Description : Which of the following statements are incorrect ?a)Photosynthesis is a chemical change b) Digestion is a chemical change c)Formation of manure from vegetable was ... -Science-7
Last Answer : Option d) Iron and rust are the same substance. Iron and rust are different substances. Iron : Fe and Rust :
Description : Which of the following statements is incorrect in the context of a worm? -Technology
Last Answer : (d) A worm is a self-replicating software and thus, it can travel on its own.
Description : Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2 B. Which of the following statements concerning this reaction are incorrect? -Chemistry 9th
Last Answer : (c) (i), (iii), (iv) Consider the example of H2O
Description : Which of the following statements are not incorrect `:-` (i) Liver, the largest gland in our body secretes cholesterol, degrade steroid hormones, vita
Last Answer : Which of the following statements are not incorrect `:-` (i) Liver, the largest gland in our body secretes ... I,ii,iv C. I only D. I,ii,iv
Description : Which one of the following statements is incorrect
Last Answer : Which one of the following statements is incorrect A. The residual air in lungs slightly ... flow facilitates efficient respiration in gills of fishes
Description : Select the incorrect statements `:-` (a) alimentary canal begins with an anterior cavity called buccal cavity. (b) tooth is embeedded in a socket of m
Last Answer : Select the incorrect statements `:-` (a) alimentary canal begins with an anterior cavity called buccal cavity. (b) tooth ... ,& c C. a,c,&d D. a,b &d
Description : Select the incorrect statements
Last Answer : Select the incorrect statements A. Natural selection is a heritable variation & by reproducting leave ... dry up in sun unlike those of Amphbians
Description : Find out incorrect statements in relation to pollution
Last Answer : Find out incorrect statements in relation to pollution A. Plastic is nondegradable pollutant B. ... Ozone layer forms protective shield to ionosphere.
Description : Which one of the following statements is incorrect about enzyme catalysis ?
Last Answer : Which one of the following statements is incorrect about enzyme catalysis ? A. Enzymes are ... at optimum temperature D. Enzymes action is specific
Description : Which of the following are incorrect statements ?
Last Answer : Which of the following are incorrect statements ? A. Hardy schulz rule is related to coagulation ... more is the protective power of lyophillic sols.
Description : From the following statements regarding `H_(2)O_(2)`, choose the incorrect statements:
Last Answer : From the following statements regarding `H_(2)O_(2)`, choose the incorrect statements: A. It can act only ... dark D. It has to be kept away from dust
Description : Which of the following statements regarding sulphur is incorrect?
Last Answer : Which of the following statements regarding sulphur is incorrect? A. `S_(2)` molecule is paramagnetic ... is never less than +4 in its compounds
Description : A gas is obtained on heating ammonium nitrate. Which of the following statements are incorrect about this gas
Last Answer : A gas is obtained on heating ammonium nitrate. Which of the following statements are incorrect about this ... acidic in nature D. is basic in nature
Description : Which one of the following statements regarding helium is incorrect?
Last Answer : Which one of the following statements regarding helium is incorrect? A. (1) It is used to produce ... (4) It is used in gas-cooled nuclear reactors
Description : Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect:
Last Answer : Coordination compounds have great importance in biological systems. In this context which of the ... green pigments in plants and contain calcium.
Description : Read the following statements and find out the incorrect statement.
Last Answer : Read the following statements and find out the incorrect statement. A. In organisms, exhibiting ... reduction in the number of eggs produced.
Description : Which one of the following statements is incorrect regarding Bhopal gas tragedy ?
Last Answer : Which one of the following statements is incorrect regarding Bhopal gas tragedy ? A. It took ... beings died D. Radioactive fall out engulfed Bhopal
Description : Mark incorrect statements :- (A) Meiosis involves only a single cycle of DNA replication (B) Four haploid cells are formed at the end of meiosis-I ( C
Last Answer : Mark incorrect statements :- (A) Meiosis involves only a single cycle of DNA replication (B) Four haploid ... and C C. Only B D. All are correct
Description : Which one of the following statements for pyramid of energy is incorrect whereas remaining three are correct?
Last Answer : Which one of the following statements for pyramid of energy is incorrect whereas remaining three are ... organisms D. It is inverted in shape.
Description : Which of the statements is incorrect w.r.t. melatonin hormone ?
Last Answer : Which of the statements is incorrect w.r.t. melatonin hormone ? A. Shows diumal variation B. ... C. Secreted by pineal body D. Poorly vascularized
Description : Which of the following statements is incorrect ?
Last Answer : Which of the following statements is incorrect ? A. Pars intermedia atrophies during fetal ... D. Herring bodies are present in neurohypophysis.
Description : Which of the following statements are incorrect regarding following reaction?
Last Answer : Which of the following statements are incorrect regarding following reaction? A. Product is ... is endocyclic alkene formed according to Hofmann