List of top Biology Questions

Amoeba is immortal because:
Which of the following is an example of intergenic gene interaction?
Antibodies are synthesized by _______
Identify the correct combination of cropvariety and insect pests.
In lac-operon concept of gene expression, allolactose acts as,
In dihybrid cross, when F1 plants (RrYy) are self hybridised, the ratio of segregation of yellow and green in F2 is :
Accessory ducts of reproductive system of human female include:
So far 1.5 million species are identified, in which the number of fungi species identified is more than the combined total of:
Restriction endonucleases are isolated from some bacteria. Their role in bacteria is:
The hormones involved in maintaining calcium balance in the human body are:
Which of the following vector-borne diseases caused by Aedes mosquitoes ?
The secondary wall material Suberin is deposited on the walls of
Which of the following plants produce zygomorphic flowers?
Which class of Algae reproduces asexually by non-motile spores and sexually by non-motile gametes?
The type of epithelium found in the fallopian tube which functions to move particles or mucous in specific direction is:
Which one of the following is not included under endomembrane system?
The number of ATP molecules utilised for the breakdown of one molecule of glucose during glycolysis is:
Which of the following options show the characters of mycoplasma?
Which of the following is not a characteristic of facilitated transport?
The inner cell mass of blastocyst becomes:
The type of sex determination in honey bee is:
Which of the following in sewage treatment removes suspended solids ?
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ?
Which of the following RNAs should be most abundant in animal cell ?
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP ?