Total Questions : 20
Total time :20 min
Total Marks : 20 x 3 = 60 Marks
Each Correct Question carries : 3 Marks
Each incorrect Question Carries : -1 Marks
Each Unattempted Question carry : 0 Marks
Be careful On Negative Markings
A diploid cell in human, where cell division does not occur:
The centromere does not divide till the end of metaphase. This is important because centromere
Choose the incorrect match w.r.t mitosis.
The two chromatids of a metaphase chromosome represent
Starting with microspore mother cells, what is the least number of meiotic and mitotic divisions needed for the formation of 500 male gametes in an angiosperm?
Which one of the followings is wrong for meiosis ?
Beads on string of A are seen in B which condense to form chromosomes in C stage of cell division.
The process of crossing over between homologous chromosomes that takes place during meiosis is advantageous because it
Which of the following is true for an animal, with a diploid number of chromosomes equal to 30?
Which is not characteristic of telophase
Congression is a phenomenon of
There are 42 chromosomes in a cell. After a particular phase of mitosis, the number of chromosomes remain same. Name the phase.
The movement of chromosomes to the opposite poles during cell division takes place
The presence of checkpoint during mitosis ensures the attachment of all chromosomal kinetochore proteins to the spindle fibres. The absence of attachment of kinetochore proteins produces a signal preventing mitosis to proceed to next stage. The occurrence of this check point is responsible for transition from
Nuclear membrane is formed around the groups of daughter chromosomes during the telophase by
The formation of multinucleated cell, with identical genetic information takes place by going through
Which one of the following precedes re-formation of the nuclear envelope during M-phase of the cell cycle?
What are spindle fibers that connect the centromere to respective poles called?
Identify the correct combination regarding anaphase, anaphase I and anaphase II.
The correct sequence of different phases of mitosis is
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