List of top Biology Questions

The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?
The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in :
An example of colonial alga is
Which of the following options gives the correct sequence of events during mitosis?
During DNA replication, Okazaki fragments are used to elongate
The hepatic portal vein drains blood to liver from
Myelin sheath is produced by
The association of histone H1 with a nucleosome indicates:
Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
The morphological nature of the edible part of coconut is
Which of the following is made up of dead cells?
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
The vascular cambium normally gives rise to
Which of the following components provides sticky character to the bacterial cell?
Which of the following are found in extreme saline conditions?
Spliceosomes are not found in cells of
An important characteristic that Hemichordates share with Chordates is
Which of the following statements is correct?
Double fertilization is exhibited by
Which of the following are not polymeric?
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
MALT constitutes about ____ percent of the lymphoid tissue in human body.
Functional megaspore in an angiosperm develops into
The pivot joint between atlas and axis is a type of