List of practice Questions

Which one of the following conformation of cyclohexane is chiral ?
Which one of the following glands is absent in reproductive system of rabbit?
Which one of the following is a source of single cell protein (SCP) ?
Which pigment of the planttakes partin light reaction of photosynthesis ?
Which protozoan causes Kala azar ?
Which stage is marked by terminalisation of chiasmata ?
Which type of sex determination is found in grasshopper?
Who invented electron microscope?
Xerophytes are mostly
Yolk plug can be seen during which developmental stage of frog?
Which of the ecological pyramid is always upright?
Which hormone is produced in women only during pregnancy
Fixation of one molecule of $ CO_{2}$ through Calvin cycle requires
Darwins finches provide an excellent evidence in favour of organic evolution. These are related to which of the following evidences?
During cell division, the spindle fibres get attached to the condensing chromosome at a highly differentiated region. This region is called
During replication of DNA, its two strands separate. Each of these serves as a template for the formation of new strands. Such type of replication is called
In the life history of ferns, meiosis occurs at the time of
A research scholar once collected certain alga and found that its cells contained chlorophyll-$a$, chlorophyll-$d$ and phycoerythrin. The alga must belong to
Double fertilization (or trbsle fusion) leading to initiation of endosperm in angiosperms, requires
Eight nucleate embryo sacs are
The length of one turn of the helix in B-form DNA is approximately
Which disease is not caused by viruses ?
Which compound gives iodoform test?
Which animal has the longest gestation period?
When glycerol is heated with $KHSO_4$ it gives