List of top Biology Questions

The plants growing under environmental stress condition, seeds germinate while they are on the mother plant. An example for such a condition is :
Herkogamy is common in Datura plants. In Herkogamy. anther and stigma are placed at different positions so that the pollen cannot come into contact with the stigma of the same flower. Which of the following is true?
Study the following lists: The correct answer is
Abingdon tortoise in Galapagos islands became extinct within a decade after goats were introduced. It is an example of
Which of the following is a function of ethylene?
Which of the following is correct match of organism and respective structures?
In prokaryotes, enzymes for respiration are found in
Enzymes used in detergents to remove oil stains are sourced from
Closely linked genes can be separated by
Incurrent and radial canals in syconoid sponges are interconnected with the help of
Tissue level of organisation is not found in
$A$ and $B$ antigens are not found in which of the following blood group?
In the $ABO$ system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
Which of the following is the most dangerous metal pollutant of automobile exhaust ?
Which one is not a pollutant normally?
Which one of the following pairs is not correctly matched?
Which one of the following statements is wrong ?
What is not true for genetic code ?
Father of green revolution in India is:
During G phase of cell division
Oval RBCs are found in
What is located inside a vacuole ?
Pectins can be traced in
In Cockroach, conglobate gland can be traced in
Which of the following is syncytial ?