List of top Biology Questions

In the diagram showing the gene structure, what is labeled "UTR"?
Out of the following five organisms, how many show bisexual reproduction as well as internal fertilization?
Earthworm, Frog, Cockroach, Human, Sparrow
Scientists have estimated that the total number of DNA bases in humans is approximately:
Which of the following types of analysis correlates with Mendel's laws?
Which hormone is responsible for the increased secretion in the male reproductive system?
Which of the following are signs of STIs (Sexually Transmitted Infections)?
(i) Genital itching
(ii) Bleeding
(iii) Normal pain
(iv) Abdominal swelling
Which statement about MTP (Medical Termination of Pregnancy) is not true?
Which of the following are auxiliary ducts in the female reproductive system?
In the given flowchart related to nitrogen cycle, choose the correct option for X and Y.
Atmospheric Nitrogen → Biological Nitrogen Fixation → (X) → Nitrates Ammonification → (Y)
Which of the following is true about Thalassemia?
In the given diagram, identify the structure labeled 'X' and select the correct number of cells.
A woman experiences her menstrual cycle starting at 14 years and menopause at the age of 46. At the start of menstruation, she can conceive and has children. During her reproductive period, how many ova are produced?
Match the items from Column - 1 with Column - II and select the correct option.
For a normal pregnancy, data compression does not happen, so which hormone does the doctor inject to stimulate the pregnancy?
In a pollen sample, 4 hybrid plants are found. If 1000 offspring are generated, how many hybrid offspring will there be?
Which of the following plant families' pollen cannot remain viable for months?
Which of the following types of food supports the largest population?
The event of species extinction differs from the earlier extinction and the first five extinctions because the main difference is that this extinction...
In a pond, there were 40 lotus plants in the previous year. If the reproduction rate is such that 6 new plants are added each year, what will be the birth rate of the plants?
Which of the following is not a component of the digestive system?
Which of the following conditions is associated with "overeating"?
What did Alexander von Humboldt first describe?
Which microorganism is used in plant genetic engineering?
If a PCR reaction is carried out 30 times, how much can the DNA sequence increase?
What method is used for the production of "Pomato"?