MCQ
ZIFT is transfer of:
- AZygote into fallopian tube.
- BEmbryo into uterus.
- CMixture of sperms and ova into fallopian tube.
- DMixture of sperms and ova into uterus.
Explanation:
Ovum from donor female and sperm from donor male are fertilized in laboratory.
The zygote or early embryo (upto 8 blastomeres stage) then transferred to fallopian tube called zygote intra fallopian transfer or ZIFT.
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Statement $I$: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement $II$: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below:
$I.$ Group of independent, interacting populations of same species
$II.$ Group of independent and interacting populations of same species in specific area
$III.$ Group of independent interacting populations of different species in a specific area
$IV.$ Group of independent and interacting populations of different species in different area
Select the correct option
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria