List of top Biology Questions

When water moves through a semipermeable membrane, which of the following is created ?
MAB stands for :
Which one of the following is not a gaseous biogeochemical cycle in the ecosystem?
Which of the following is an example of imbibition ?
Which of the following is an autoimmune disorder
Which of the following is cultivated through vegetative propagation?
Which of the following is an endangered species of India ?
Which of the following types of organisms occupies more than one trophic level in a pond ecosystem?
In history of biology, human genome project led to the development of :
Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.
The nuclear structure observed by Henkings in 50% of the insect sperm after spermatogenesis was
What is a centromere? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.
Different parts of a leaf are modified into tendrils which help the plant in climbing up. Identify the type of tendril that is seen in .
Convention on Biodiversity came into force on:
The bulk movement of substances through the conducting or vascular tissues of plants is called:
What are the characteristic features of Euglenoids?
The middleman between blood and tissues is:
Which additives are used for the purpose of restoring nutrients lost or degraded during production?
Absence of oxygen in earth, made the atmosphere reducing. But it later became oxidizing in nature due to the emergence of ________.
The black pigment in the eye which reduces the internal reflection is located in:
Which of the following nerves arises from the organ of Corti?
Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
The maximum percentage of polyunsaturated fatty acid present in:
When two unrelated individuals or lines are crossed, the performance of F1 hybrid in often superior to both of its parents. This phenomenon is called ________.
The overall goal of glycolysis, Krebs cycle an electron transport system is the formation of ____________ .