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NEET Questions / Botany / Cell Cycle and Cell Division / Mitosis
In a cell undergoing mitosis, the nuclear envelope reforms during:
Prophase
Metaphase
Anaphase
Telophase
The liquid endosperm inside a tender coconut is:
Cellular endosperm
Free-nuclear endosperm
Hemi-nuclear endosperm
Ruminate endosperm
During coconut development, the initial stage of endosperm formation within the tender coconut results in:
A cellular mass called cellular endosperm
A multinucleate liquid called free-nuclear endosperm
A partially cellularized structure called helobial endosperm
A solid, layered structure called ruminate endosperm
Which type of endosperm is characteristic of a tender coconut?
Cellular
Free-nuclear
Helobial
Ruminate
As a coconut matures, the free-nuclear endosperm of the tender coconut undergoes changes. Which of the following best describes this transition?
Remains free-nuclear but increases in volume
Transitions from free-nuclear to cellular endosperm
Is replaced by a different type of endosperm
Is absorbed by the developing embryo
Which of the following statements is INCORRECT regarding mitosis?
Mitosis results in two daughter cells with identical genetic information to the parent cell.
Mitosis is the process by which gametes are produced.
Mitosis is essential for growth and repair in multicellular organisms.
The chromosome number remains the same after mitosis.
During which phase of the cell cycle does DNA replication occur, which is a prerequisite for mitosis?
G1 phase
S phase
G2 phase
M phase
If a parent cell has 2n chromosomes, how many chromosomes will each daughter cell have after mitosis?
n
2n
3n
4n
Which of the following is NOT a characteristic outcome of mitosis?
Two identical daughter cells
Growth and repair of tissues
Same number of chromosomes as the parent cell
Reduction of chromosome number by half
Which of the following events is NOT characteristic of mitotic cell division?
Condensation of chromosomes
Replication of DNA
Synapsis and crossing over
Formation of the spindle apparatus