Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
If the centromere divides a chromosome into two equal halves, what type of chromosome is it?
Metacentric
Submetacentric
Acrocentric
Telocentric
In which type of chromosome does the centromere lie exactly at the midpoint?
Acrocentric
Metacentric
Submetacentric
Telocentric
Which of the following is NOT a characteristic of a metacentric chromosome?
Two arms of equal length
Centromere located in the middle
Centromere located near one end
Forms a V-shape during cell division
If pollen grains are transferred from the anther of a flower on one plant to the stigma of a flower on a genetically different plant of the same species, this process is termed:
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
Identify the correct statement regarding the process of meiosis.
Meiosis results in two diploid daughter cells.
Meiosis results in four haploid daughter cells.
Meiosis occurs in somatic cells.
Meiosis involves a single round of division.
Which of the following statements accurately describes a key difference between mitosis and meiosis?
Chromosome duplication occurs in mitosis but not meiosis.
Spindle fiber formation occurs in mitosis but not meiosis.
Crossing over occurs in meiosis but not mitosis.
Cytokinesis occurs in mitosis but not meiosis.
During which phase of meiosis does crossing over occur?
Prophase I
Metaphase I
Anaphase I
Telophase I
If a diploid cell with 46 chromosomes undergoes meiosis, how many chromosomes will each resulting daughter cell have?
92
23
46
12
Gene therapy aimed at amplifying the expression of a specific gene by introducing multiple copies of it into a patient's cells is referred to as:
Gene knockout
Gene editing
Gene replacement
Gene augmentation
In a species that reproduces asexually, what would be the genetic relationship between a parent and its offspring?
Genetically identical
Genetically similar but not identical
Genetically distinct
No genetic relationship
