List of top Biology Questions

Which of the following statement is true?
The number of allosomes in human cells are:
The phenotypic ratio of F2 generation in a monohybrid cross is:
................ causes ripening of fruits.
Roots grow downwards, plants respond positively for gravitational force. What is this called?
Which test is performed to identify the presence of starch in leaves?
In the mouth, the crushed food mixed with saliva which forms a slippery lump is called?
The walls of the food pipe secrete a slippery substance called:
From the stomach, the partially digested food (chyme) is released into:
Examples of propagation by stem are:
........... bacteria is responsible for the formation of curd from milk.
Majority of flowering plants have an embryo sac consisting of:
The process of entry of pollutants into a food chain is known as:
Each ATP molecule gives how much energy?
Occurrence of vestigial organs abruptly in human beings is called:
The correct order of passage of spermatozoa is:
Which one of the following antibody types protects against inhaled and ingested pathogens?
What is the length of peptides binding to Major Histocompatibility Complex (MHC) class II molecule?
Antibody diversity is an example of:
The specificity in an antibody molecule is provided by the:
The allergic immune response is characterized by the increased levels of:
Regulatory B cells (Bregs) are important mediators of adaptive immunity and function mainly via the secretion of:
Myasthenia gravis is an autoimmune disease where the patient makes antibodies for its own:
Which of the following immunoglobulins primarily pass through the placenta to provide passive immunity to the fetus?
CD4 antigen is absent on