List of practice Questions

In $pBR322$, tetracycline resistance gene $(tet^R)$ has recognition site for which of the following restriction endonuclease?
In oocyte secondary maturation occurs in
In Opuntia, the function of photosynthesis is carried out by
In order to obtain acetaldehyde from calcium acetate, it should be heated with :
In order to prepare acetone from acetyl chloride which of the following reagents can be used ?
In most of the higher animals and plants, reproduction and growth are
In $NaCl$ structure,
In nucleotide of a nucleic acids, the sequence is
In metallurgy, flux is a substance used to convert
In mixture of ideal gases, the molecules have the same
In most mammals, the testes are located in scrotal sac for
In man fat is stored in
In man total number of alveoli in both lungs are
In medullated nerve fibres nodes of Ranvier are
In metallurgical processes the flux used for removing acidic impurities is
In leptotene, the chromosomes are
In lithosere, foliose lichens make the conditions favourable for the growth of
In maize, a meiocyte has $20$ chromosomes. What will be the number of chromosomes in its somatic cell?
In mammalian kidneys, Bowman?? capsules or Malpighian corpuscles occur in
In Kranz anatomy, bundle sheath cells contain
In lake test of $ {Al^{3+}}$ ion, there is formation of coloured floating. It is due to :
In $(i)$ porous wood, vessels are very broad in the $(ii)$ wood and are quite narrow in the $(iii)$ wood. This kind of wood is present in $(iv)$ and it translocates $(v)$ amount of water when required by the plant. Select the correct fill ups for the above paragraph.
In $(i)$ protoxylem lies towards periphery and metaxylem lies towards centre. Such an arrangement of primary xylem is called as $(ii)$.
In type of inflorescence, main axis terminates in a flower, hence is limited in growth and flowers are borne in succession.
In how many ways can $5$ children be arranged in a line such that (i) two particular children are always together (ii) two particular children are never together?