Biology questions
20584 published questions with worked solutions.
- In bryophytes and pteridophytes, transport of male gametes requires:
- When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN (1 -...
- Which of the following would appear as the pioneer organisms on bare rocks?
- Which one of the following is the starter codon?
- Blood pressure in the pulmonary artery is:
- Cotyledon of maize grain is called:
- Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:Not in NEET syllabus
- Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:
- Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide...
- In mammals, which blood vessel would normally carry largest amount of urea?
- Seed formation without fertilization in flowering plants involves the process of:
- In a testcross involving F_1 dihybrid flies, more parental - type offspring were produced than the recombinant - type offspring....
- Which of the following is not a characteristic feature during mitosis in somatic cells?
- Specialized epidermal cells surrounding the guard cells are called:
- Stems modified into flat green organs performing the functions of leaves are known as:
- The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:
- A river with an inflow of domestic sewage rich in organic waste may result in:
- A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not...
- Double fertilization is exhibited by
- What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?