The centriole undergoes duplication during

Attachment of spindle fibres to kinetochores of chromosomes becomes evident in

Identify the correct statement with regard to G 1-phase (Gap 1) of interphase.

Some dividing cells exist the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G )0 . This process occurs at the end of

Cells in G 0 phase

The correct sequence of phases of cell cycle is

When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?

During cell growth, DNA synthesis takes place in

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

In S-phase of the cell cycle

At what stage of the cell cycle are histone proteins synthesised in a eukaryotic cell?

In the somatic cell cycle

Which of the following occurs more than one and less than five in a chromosome?

During cell division in apical meristem the nuclear membrane appears in

In a mitotic cycle, the correct sequence of phases is

After karyogamy followed by meiosis, spores are produce exogenously in

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animals cells. If APC is defective in a human cells, which of the following is expected to occur?

Which of the following options gives the correct sequences of events during mitosis ?

Which of the following is not a characteristic feature during mitosis in somatic cells?

Spindle fibres attach on to

The complex formed by a pair of synapsed homologous chromosomes is called

Select the correct option with respect to mitosis.

During mitosis ER and nucleolus begin to disappear at

Centromere is required for

If you are provided with root tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into?

Which one of the following precedes reformation of the nuclear envelope during M-phase of the cell cycle?

Mitotic spindle is mainly composed of which protein?

Best material for the study of mitosis in laboratory is

During cell division, the spindle fibres attach to the chromosome at a region called

How many mitotic divisions are needed for a single cell to make 128 cells?

Which one of the following structures will not be common to mitotic cells of higher plants?

The point, at which polytene chromosomes appear to be attached together, is called

Best stage to observe shape, size and number of chromosomes is

In salivary gland chromosomes/polytene chromosomes pairing is

Number of chromatids at metaphase is

Mitotic anaphase differs from metaphase in possessing

A bivalent consists of

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?

Which of the following stages of meiosis involves division of centromere?

During meiosis 1, in which stage synapsis takes place?

Dissolution of the synaptonemal complex occurs during

After meiosis-I, the resultant daughter cells have

In meiosis crossing over is initiated at

The enzyme recombinase is required at which stage of meiosis?

Meiosis takes place in

During gamete formation, the enzyme recombinase participates during

Synapsis occurs between

Crossing over that results in genetic recombination in higher organisms occur between

The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called

Lampbrush chromosomes occur during

Meiosis has evolutionary significance because it results in

Meiosis-II performs

In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to

Meiosis-I is reductional division. Meiosis-II is equational division due to