List of top Biology Questions

Vascular bundles in monocotyledons are considered closed because
In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are
In ginger, vegetative propagation occurs through
In a ring girdled plant
High value of BOD (Biochemical Oxygen Demand) indicates that
The active form of Entamoeba histolytica feeds upon
Match items in Column I with those in Column II
What is true of urea biosynthesis?
Choose the correct statement.
If a biochemical analysis of mitochondria has to be done, the best procedure would be
Which of the following statement is true?
Pollination in Rafflesia is occurred by
Pith cavity occurs in the stem of
The small projections present on the surface of pineapple fruit represent
Which one of the following is referred as 'living fossils'?
A colour blind man marry with a daughter of colour blind father, the generation will be
Select the animal that exhibits retrogressive metamorphosis.
When are interferons secreted in the body?
What is true about Bt toxin?
What is the advantage in clinical use of humulin (human insulin: produced through rDNA technique) over use of conventional ox or pig insulin?
Endangered plant species are conserved through
Distance between the genes and percentage of recombination shows
Breeding place of Flamingo (Hansawar) in India is
According to the theory of spontaneous generation
A true fruit is one in which the fleshy part of the fruit is derived from the