Hairs occur in all mammals except those of
A. Rodentia
B. Chiroptera
C. Primata
D. Cetacea
1 Answers
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Alkyl halides can be obtained by all methods except
Correct Answer - C `C_(2)H_(5)OH+NaCl` can not react to give alkyl halide.
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Superoxide of type `MO_2` are formed by all except
Correct Answer - B Barium ion due to large size can easily stabilise the superoxide `(O_2^(-))` ion.
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Assertion (A) All naturally occurring `alpha`-aminoacids except glycine are optically active. Reason (R) Most naturally occurring amino acids have L-c
Correct Answer - D Correct explanation. All naturally occurring `alpha`-amino acids except glycine have a chiral carbon in their molecules.
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Statement-1:All halogens except `F_2` are more reactive than interhalogens. Statement-2: Bond in the interhalogens (X-Y) is weaker than X-X bond in th
Correct Answer - D X-Y is polar due to difference in their electronegativities where as X-X bond is non-polar. In X-Y, X is bigger halogen so X-Y bond length is bigger...
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Simple distillation involves all the following process except
Correct Answer - D Evaporation takes place from the surface of the liquid at every temperature .
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All the boron trihalides except `BI_(3)` may be prepared by direction between the elements. Boron trihalides consist of trigonal-planar `BX_(3)` molec
Correct Answer - B Some of the total `BF_(3)` combine with `HF` formed during hydrolysis to form `HBF_(4)`.
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All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cyt
Correct Answer - D Succinate dehyrogenase enzyme is present on inner membrane of mitochondria and catalyses the oxidation of succinate to fumarate
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All arteries carry oxygenated blood except
Correct Answer - A (a) Right ventricle pumps deoxygenated blood into pulmonary artery wich supplies it to the lungs where oxygenation of blood takes place.
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All of the following are included in ex-situ conservation except
Sacred groves is a mode of in situ conservation in which forest fragments of varying size are protected by religious communities . it helps to protect the biota of that...
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I have tied my square bathroom wall with congruent square tiles. All the tiles are red, except those along the two diagonals, which are all blue. If `
Correct Answer - A `(a)` Let the square has dimensions `nxxn`. If `n` is even, total no. of blue (diagonal) tiles `=n+n=2n` If `n` is odd, then total no. of blue...
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