Recent questions tagged neet

If the rate constant for a first order reaction is k,the time (t) required for the completion of 90% of the reaction is given by :-

asked Jul 8, 2019 by pady_1

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For the second period elements the correct increasing order of first ionisation enthalpy is :-

asked Jul 8, 2019 by pady_1

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The manganate and permanganate ions are tetrahedral, due to

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Which of the following is an amphoteric hydroxide?

asked Jul 8, 2019 by pady_1

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Which of the following species is not stable ?

asked Jul 8, 2019 by pady_1

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Which will make basic buffer ?

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Conjugate base for Bronsted acids $H_2O$ and HF are:-

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Which mixture of the solutions will lead to the formation of negatively charged colloidal $[AgI] I^{-}$ sol. ?

asked Jul 8, 2019 by pady_1

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The correct order of the basic strength of methyl substituted amines in aqueous solution is :-

asked Jul 8, 2019 by pady_1

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Among the following, the narrow spectrum antibiotic is

asked Jul 8, 2019 by pady_1

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Which of the following reactions are disproportionation reaction ? (a)$2Cu^{+} \to Cu^{2+}+Cu^0$ (b)$3MnO_4^{2-}+4H^{+} \to 2MnO_4^{-}+MnO_2$ (c)$2KMnO_4 \underrightarrow{\qquad \Delta \qquad } K_2MnO_4 +MnO_2 +O_2$ (d)$2MnO_4^{-}+3Mn^{2+}+2H_2O \longrightarrow 5MnO_2+4H^{\oplus}$ Select the correct option from the following

asked Jul 8, 2019 by pady_1

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Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital theory?

asked Jul 8, 2019 by pady_1

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The number of sigma $(\sigma)$ and pi $ (\pi)$ bonds in pent-2-en-4-yne is :-

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Among the following, the one that is not a green house gas is :-

asked Jul 8, 2019 by pady_1

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For a cell involving one electron$ E^\ominus$ cell = 0.59V at 298 K, the equilibrium constant for the cell reaction is :- $\bigg[Given \;that \frac{2.303RT}{F}=0.059V \;at \;T=298k\bigg]$

asked Jul 8, 2019 by pady_1

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For an ideal solution, the correct option is :-

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The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is :-

asked Jul 8, 2019 by pady_1

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pH of a saturated solution of $Ca(OH)_2$ is 9. The solubility product $(K_{sp}) $of $Ca(OH)_2$ is :-

asked Jul 8, 2019 by pady_1

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A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is :-

asked Jul 8, 2019 by pady_1

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Under isothermal condition, a gas at 300 K expands from 0.1L to 0.25L against a constant external pressure of 2 bar. The work done by the gas is :- [Given that 1L bar = 100 J]

asked Jul 8, 2019 by pady_1

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Which of the following animals does not undergo metamorphosis ?

asked Aug 21, 2018 by pady_1

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Which of the following organisms are known as chief producers in the oceans ?

asked Aug 21, 2018 by pady_1

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Ciliates differ from all other protozoans in

asked Aug 21, 2018 by pady_1

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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

asked Aug 21, 2018 by pady_1

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Which of the following features is used to identify a male cockroach from a female cockroach ?

asked Aug 21, 2018 by pady_1

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Which one of these animals is not a homeotherm ?

asked Aug 21, 2018 by pady_1

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Which of the following events does not occur in rough endoplasmic reticulum ?

asked Aug 21, 2018 by pady_1

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Nissl bodies are mainly composed of

asked Aug 21, 2018 by pady_1

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Select the incorrect match :

asked Aug 21, 2018 by pady_1

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Which of the following terms describe human dentition ?

asked Aug 21, 2018 by pady_1

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Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneusly. Such strings of ribosomes are termed as

asked Aug 21, 2018 by pady_1

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Which of these statements is incorrect ?

asked Aug 21, 2018 by pady_1

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Which of the following gastric cells indirectly help in erythropoiesis ?

asked Aug 21, 2018 by pady_1

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Match the item given in Column I with those in Column II and select the correct option given below : <br>

asked Aug 21, 2018 by pady_1

1 answer

Calcium is important in skeletal muscle contraction because it

asked Aug 21, 2018 by pady_1

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Which of the following is an occupational respiratory disorder ?

asked Aug 21, 2018 by pady_1

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Match the item given in Column I with those in Column II and select the correct option given below : <br>

asked Aug 21, 2018 by pady_1

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Match the item given in Column I with those in Column II and select the correct option given below :

asked Aug 21, 2018 by pady_1

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Match the item given in Column I with those in Column II and select the correct option given below :

asked Aug 21, 2018 by pady_1

1 answer

Match the items given in Column I with thos in Column II and select the correct option given below : <br>

asked Aug 21, 2018 by pady_1

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Which of the following options correctly represents the lung conditions in asthma and emphysema, repectively ?

asked Aug 21, 2018 by pady_1

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The difference between spermiogenesis and spermiation is

asked Aug 21, 2018 by pady_1

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The amnion of mammalian embryo is derived from

asked Aug 21, 2018 by pady_1

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The contraceptive 'SAHELI'

asked Aug 21, 2018 by pady_1

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Hormones secreted by the placenta to maintain pregnancy are

asked Aug 21, 2018 by pady_1

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Which part of poppy plant is used to obtain the drug "Smack" ?

asked Aug 21, 2018 by pady_1

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In a growing population of a country,

asked Aug 21, 2018 by pady_1

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Match the items given in Column I with thos in Column II and select the correct option given below : <br>

asked Aug 21, 2018 by pady_1

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All of the following are included in 'ex-situ conservation' except

asked Aug 21, 2018 by pady_1

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Which one of the following population interactions is widely used in medical science for the production of antibiotics ?

asked Aug 21, 2018 by pady_1

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