Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which of the following is NOT a potential evolutionary advantage of apomixis?
Increased genetic diversity within populations
Faster colonization of new habitats
Maintenance of advantageous genotypes in unstable environments
Reduced reliance on pollinators
Which of the following is NOT an advantage of apomixis in agriculture?
Preservation of desirable traits
Rapid multiplication of superior genotypes
Elimination of the need for pollination
Increased genetic diversity
Which pollination method ensures genetic diversity by transferring pollen from one plant to a genetically different plant?
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
Which process is essential for generating genetic diversity in sexually reproducing organisms?
Meiosis
Mitosis
Binary fission
Budding
Crossing over, an important event in meiosis, primarily contributes to:
Chromosome number reduction
Formation of diploid cells
Genetic diversity
Identical daughter cells
A germplasm collection is a
Collection of specimens of all the species of an area in a herbarium or botanical garden
Collection of modern varieties of a crop
Collection of plants or seeds having diverse alleles of all genes in a crop
Collection of seeds or pollen of rare and threatened species of a group or area
Genetically different type of pollen grains land on stigma of ovary in
Geitonogamy
Homogamy
Cleistogamy
Xenogamy
Genetic diversity in agricultural crops is threatened by
Introduction of high yielding varieties
Intensive use of fertilizers
Extensive intercropping
Intensive use of biopesticides
Which one of the following shows maximum genetic diversity in India?
Groundnut
Rice
Maize
Mango
Which one of the following shows maximum genetic diversity in India?
Groundnut
Rice
Maize
Mango