List of top Biology Questions

Seed coat is not thin, membranous in
In China rose the flowers are
Megasporangium is equivalent to
Figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.
schematic plan of blood circulation
Which one of the following organelle in the figure correctly matches with its function ?
Organelle's figure
Monoecious plant of Chara shows occurrence of
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as
Which of the following represent maximum number of species among global biodiversity ?
The cell-mediated immunity inside the human body is carried out by
A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child ?
Which one of the following processes during decomposition is correctly described ?
During sewage treatment, biogases are produced which include
Global warming can be controlled by
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
The Air Prevention and Control of Pollution Act came into force in
Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?
Infection of Ascaris usually occurs by
In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called
According to Darwin, the organic evolution is due to
The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of
The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C
genetic implication of DNA
Incorrect statement with regard to haemophilia is
A biologist studied the population of rats in a barn. He found that average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is
Which of the following represent maximum number of species among global biodiversity