Biology
Biological Reproduction
762 Questions
Biological reproduction encompasses processes like asexual and sexual reproduction, alternation of generations, and specific mechanisms in plants and fungi. This topic is fundamental for biology paper preparation in various competitive exams. Practice these questions to solidify your understanding.
Asexual reproduction structuresPlant and fungi life cyclesCloning and fertilizationReproductive terminology
Biological Reproduction Questions
Which of the following is a type of asexual reproduction in which a single cell divides into two identical daughter cells?
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Binary fission
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Budding
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Fragmentation
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Spore formation
A
Correct answer
Explanation
Binary fission is a type of asexual reproduction in which a single cell divides into two identical daughter cells, each with its own copy of the genetic material.
What is the term used to describe the process by which phytoplankton cells reproduce?
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Binary fission
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Budding
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Fragmentation
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All of the above
D
Correct answer
Explanation
Phytoplankton cells can reproduce through binary fission, budding, or fragmentation. Binary fission is the most common form of reproduction, where a single cell divides into two identical daughter cells.
Which of the following is NOT a type of asexual reproduction in animals?
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Binary fission
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Budding
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Fragmentation
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Parthenogenesis
D
Correct answer
Explanation
Parthenogenesis is not a type of asexual reproduction in animals. It is a type of sexual reproduction in which an egg develops into a new individual without being fertilized by a sperm.
Which of the following is NOT a type of reproductive system in animals?
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Male reproductive system
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Female reproductive system
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Hermaphroditic reproductive system
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Asexual reproductive system
D
Correct answer
Explanation
Asexual reproductive system is not a type of reproductive system in animals. Asexual reproduction is a type of reproduction in which an individual produces offspring without the involvement of a mate.
What is the term for the process by which genetic material is rearranged during sexual reproduction?
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Recombination
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Gene flow
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Mutation
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Genetic drift
A
Correct answer
Explanation
Recombination is the process by which genetic material is exchanged between homologous chromosomes during sexual reproduction. It can help to increase genetic diversity and reduce the risk of inbreeding.
What is the term used to describe the process by which plankton reproduce?
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Reproduction
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Spawning
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Brooding
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Gestation
A
Correct answer
Explanation
Reproduction is the process by which plankton produce offspring.
What is the term used to describe the process by which plankton reproduce?
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Reproduction
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Spawning
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Brooding
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Gestation
A
Correct answer
Explanation
Reproduction is the process by which plankton produce offspring.
Which model organism is often utilized to study the development of the reproductive system?
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Xenopus laevis
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Gallus gallus
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Drosophila melanogaster
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Caenorhabditis elegans
A
Correct answer
Explanation
Xenopus laevis, also known as the African clawed frog, is a commonly used model organism for studying the development of the reproductive system due to its large and easily accessible eggs, rapid development, and the ability to manipulate gene expression.
Which model organism is often utilized to study the development of the reproductive system?
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Xenopus laevis
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Gallus gallus
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Drosophila melanogaster
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Caenorhabditis elegans
A
Correct answer
Explanation
Xenopus laevis, also known as the African clawed frog, is a commonly used model organism for studying the development of the reproductive system due to its accessible embryos, rapid development, and the ability to manipulate gene expression.
What is the phenomenon where a cell contains two or more genetically distinct populations of mitochondria?
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Heteroplasmy
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Homoplasmy
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Mitochondrial Fusion
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Mitochondrial Fission
A
Correct answer
Explanation
Heteroplasmy refers to the coexistence of different mtDNA genotypes within a single cell or individual.
Which of the following is NOT a type of cleavage?
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Radial cleavage
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Spiral cleavage
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Bilateral cleavage
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Determinative cleavage
D
Correct answer
Explanation
Determinative cleavage is not a type of cleavage, but rather a process by which the fate of each blastomere is determined early in development.
Which of the following is NOT a type of reproductive strategy?
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Sexual reproduction
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Asexual reproduction
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Parthenogenesis
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Viviparity
D
Correct answer
Explanation
Viviparity is not a type of reproductive strategy, but rather a mode of development in which the embryo develops within the body of the mother.