Phloem and cambium occur on either side of xylem. This forms a vascular bundle called
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Which one of the following is the vector of Trypanosomiasis?
Sunil's blood type was determined to be AB+. Which of the following is true of Sunil's blood?
Greatest biological problems faced by human beings is :
The hormone that causes the pancreas to secrete an enzyme rich fluid is _____.
Ovulation appears to be triggered by a midcycle surge in ______________.
A single amino-acid is often coded by more than one triplet code. In most of the cases, the first two bases are the same but the third base is different. This feature of the genetic code is called
If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what manner would his interpretation have been different?
A monohybrid cross between two plants, one having 24cm long internodes and the other having 12 com long internodes, produced F₁ hybrids all having 18cm long internodes. This is a case of
Which one of the following sets of ions are necessary in the chemical events for muscle contraction?
Hypothesis for oxygen coming from water was put forward by
Entry of sewage in water caused a spurt in the growth of algae but killed fish due to
The hormone produced as a result of implantation is called
Which of the following reactions would be considered a part of external respiration?