The layer of cells between endodermis and vascular bundle is known as
The animal got extinct in recent years from India is
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Which area has the greatest amount of enzyme activity?
If one litre of water is introduced in human blood, then
First human population explosion took place due to :
Presence of massive yolk at one end makes the egg :
As a result of oblique cleavage the symmetry produced is known as :
Khorana et al synthesised RNA with copolymer of UGUGUGUGUG... It produced a peptide with alternate cysteine and valine. The codons for the two are
Meselson and Stahl proved by their experiment about DNA, that it has
The genotypes C+/Ch (normal colour), Cch/Ch (chinchilla colour),Ch/c (Himalayan colour), related to skin colour of rabbit represent :
Muscles responsible for the movement of food in the stomach are
In a certain plant, red colour flower (R) is dominant over white colour flower (r). when a heterozygous Rr plant is selfed, 64 offsprings are obtained. The number of white offsprings are
Which of the following is not a part of the cerebrum?
In unisexual plants sex can be changed by application of
The simple organic compounds that may have evolved in the direction of origin of life on the earth must have been
A very efficient converter of solar energy with net productivity of 2-4 kg/m₂ or more is the crop of
Vascular bundle having xylem and phloem on the same radius is
Which of the following hormones is controlled by positive feedback?
The part of a sperm cell containing the greatest number of mitochondria is the
In respiration the released energy is mainly kept in the form of