science
Grade-10
Easy
Question
What explains the differences between the progeny and parents?
- Genetics
- Variation
- Inheritance
- Heritage
The correct answer is: Variation
Related Questions to study
science
Who proposed the laws of inheritance?
- Gregor Mendel explained the transmission of traits from parents to offspring
- Mendel devised the monohybrid and dihybrid crosses
Who proposed the laws of inheritance?
scienceGrade-10
- Gregor Mendel explained the transmission of traits from parents to offspring
- Mendel devised the monohybrid and dihybrid crosses
science
Which is the CORRECT statement regarding gametophytes?
- Sporophytes are diploid (2n)
- Spores produced by meiosis are haploid (n)
- Gametophytes are haploid (n)
- Gametes formed will be haploid (n)
- Zygote formed will be diploid (2n)
Which is the CORRECT statement regarding gametophytes?
scienceGrade-10
- Sporophytes are diploid (2n)
- Spores produced by meiosis are haploid (n)
- Gametophytes are haploid (n)
- Gametes formed will be haploid (n)
- Zygote formed will be diploid (2n)
science
Alternation of generation is important because:
- Alteration of generation is rotation between sporophyte and gametophytic generation
- Alteration of generation allows reproduction in plants depending upon the environmental conditions
Alternation of generation is important because:
scienceGrade-10
- Alteration of generation is rotation between sporophyte and gametophytic generation
- Alteration of generation allows reproduction in plants depending upon the environmental conditions
science
Sporophyte produce spores by the process of ________________.
- Alteration of generation involves sporophyte and gametophytic phases
- Plants and algae will undergo change between haploid and diploid stages
- The dominance of sporophyte and gametophytic phases depend on the type of the plant or algae
Sporophyte produce spores by the process of ________________.
scienceGrade-10
- Alteration of generation involves sporophyte and gametophytic phases
- Plants and algae will undergo change between haploid and diploid stages
- The dominance of sporophyte and gametophytic phases depend on the type of the plant or algae
science
_________________ is seen when an embryo develops without fertilization by a male gamete.
- Fertilization requires fusion of female and male gametes
- Parthenocarpy is found in plants which are seedless
- Male gamete is not required in the formation of fruit
_________________ is seen when an embryo develops without fertilization by a male gamete.
scienceGrade-10
- Fertilization requires fusion of female and male gametes
- Parthenocarpy is found in plants which are seedless
- Male gamete is not required in the formation of fruit
science
Which of the following is wrong about the haplo-diplontic life cycle?
- Alteration of generation is the rotation of sporophyte and gametophyte phases
- Organism can follow either haplontic or diplontic or haplo-diplontic lifecycle
- Green algae follow haplontic lifecycle
- Pteridophytes and bryophytes follow haplo-diplontic lifecycle
- Angiosperms, gymnosperms follow diplontic lifecycle
Which of the following is wrong about the haplo-diplontic life cycle?
scienceGrade-10
- Alteration of generation is the rotation of sporophyte and gametophyte phases
- Organism can follow either haplontic or diplontic or haplo-diplontic lifecycle
- Green algae follow haplontic lifecycle
- Pteridophytes and bryophytes follow haplo-diplontic lifecycle
- Angiosperms, gymnosperms follow diplontic lifecycle
science
Haplo-diplontic life cycle is found in ____________.
- Alteration of generation is the rotation of sporophyte and gametophyte phases
- Organism can follow either haplontic or diplontic or haplo-diplontic lifecycle
- Green algae follow haplontic lifecycle
- Fungus and bryophytes follow haplo-diplontic lifecycle
- Angiosperms, gymnosperms follow diplontic lifecycle
Haplo-diplontic life cycle is found in ____________.
scienceGrade-10
- Alteration of generation is the rotation of sporophyte and gametophyte phases
- Organism can follow either haplontic or diplontic or haplo-diplontic lifecycle
- Green algae follow haplontic lifecycle
- Fungus and bryophytes follow haplo-diplontic lifecycle
- Angiosperms, gymnosperms follow diplontic lifecycle
science
In which type of life cycle sporophyte generation is represented only by one-celled zygote?
- Green algae follow haplontic life cycle
- Gametophytes are dominant
In which type of life cycle sporophyte generation is represented only by one-celled zygote?
scienceGrade-10
- Green algae follow haplontic life cycle
- Gametophytes are dominant
science
Sporophyte generation is described by which of the following?
Sporophyte generation is described by which of the following?
scienceGrade-10
science
Which of the following life cycle is exhibited by Fucus?
- Diplontic life cycle has sporophyte phase as dominant and independent
- Angiosperms, gymnosperms, Fucus all show diplontic lifestyle
Which of the following life cycle is exhibited by Fucus?
scienceGrade-10
- Diplontic life cycle has sporophyte phase as dominant and independent
- Angiosperms, gymnosperms, Fucus all show diplontic lifestyle
science
Which of the following is INCORRECT about the diplontic life cycle?
- Sporophyte is dominant in angiosperms and is independent plant
- Gametophyte is reduced form
Which of the following is INCORRECT about the diplontic life cycle?
scienceGrade-10
- Sporophyte is dominant in angiosperms and is independent plant
- Gametophyte is reduced form
science
The gametophyte in alternation generation is described by which of the following:
- Sporophyte stage is also called asexual phase
- Gametophyte stage is also called sexual phase
The gametophyte in alternation generation is described by which of the following:
scienceGrade-10
- Sporophyte stage is also called asexual phase
- Gametophyte stage is also called sexual phase
science
A gametophyte is __________ in nature.
- Sporophyte stage is also called asexual phase
- Gametophyte stage is also called sexual phase
A gametophyte is __________ in nature.
scienceGrade-10
- Sporophyte stage is also called asexual phase
- Gametophyte stage is also called sexual phase
science
In sexual reproduction ______ gametes fuse to form _________ zygote.
- Cells are classified into somatic and gametes
- Somatic cells are diploid
- Gametes are haploid
- Haploid gametes fuse together to form diploid zygote
In sexual reproduction ______ gametes fuse to form _________ zygote.
scienceGrade-10
- Cells are classified into somatic and gametes
- Somatic cells are diploid
- Gametes are haploid
- Haploid gametes fuse together to form diploid zygote
science
Budding is seen in:
Budding is seen in:
scienceGrade-10