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Practice Online Test Series for JEE Main 2018 & NEET 2018
The placenta of human heings is
Which one of the follwoing statements is incorrect
Nicotine acts as a stimulant, because it mimics the effect of
Hyaluronidase enzyme functions to facilitate
Balancing organ of molluscs is
The phenomenon 'ontogen repeats phylogeny' is explained by
In eukaryotes, mRNA is synthesised with the aid of
Initiation codon of protein synthesis is
During nitrogen cycle, nitrites are changed to nitrates by
Gause's hypothesis/principle is related to
An in situ method of conservation is
The yeast commonly known as baker's yeast is
Haploids are more suitable for mutation studies than the diploids. This is because
Photochemical smog always contains
Ammonia reacts with a-ketoglutaric acid to form
Dynein protein is found in
Chemonasty in Mimosa pudica is due to
What will happen if the secretion of pariental cells of gastric glands is blocked with an inhibitor
Palynology is the study of
Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because
