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📘 MCQ Test
Question 1
Apomixis refers to:
Fertilization without pollination
Seed formation without fertilization
Asexual reproduction through spores
Formation of gametes without meiosis
Question 2
Which of the following plants exhibits apomixis?
Mango
Citrus
Dandelion
Maize
Question 3
Agamospermy is another term for:
Polyembryony
Apomixis
Parthenocarpy
Cross-pollination
Question 4
In apomixis, the embryo is formed from:
Fertilized zygote
Somatic cells of ovule
Pollen grain
Endosperm
Question 5
Which of the following is true about apomixis?
Genetic variation is increased
Offspring are genetically identical to parent
Involves meiosis
Requires pollination
Question 6
Apomixis is beneficial in agriculture because it:
Reduces yield
Maintains hybrid vigour
Causes mutations
Prevents seed formation
Question 7
The type of apomixis where embryo develops from nucellar cells:
Sporophytic apomixis
Gametophytic apomixis
Vegetative propagation
Parthenocarpy
Question 8
Gametophytic apomixis involves:
Formation of unreduced embryo sac
Pollination
Formation of male gametes
Fertilization
Question 9
Which of the following is not an example of apomixis?
Mango
Dandelion
Citrus
Allium
Question 10
Which statement is correct regarding apomixis?
Endosperm never forms
Fertilization is essential
Embryo forms without gamete fusion
Only occurs in gymnosperms
Question 11
Apomictic seed is always:
Diploid
Haploid
Polyploid
Triploid
Question 12
Which of these plants shows facultative apomixis?
Citrus
Dandelion
Mango
Maize
Question 13
Apomixis does not occur in which plant part?
Nucellus
Integuments
Embryo sac
Pollen grain
Question 14
Advantages of apomixis include:
Genetic variation
Uniformity of crops
Requirement of pollinators
Slower reproduction
Question 15
Apomixis is a form of:
Sexual reproduction
Vegetative propagation
Asexual reproduction
Cross-pollination
Question 16
Parthenocarpy is the development of:
Fruit without fertilization
Seed without fruit
Seed without fertilization
Fruit after pollination
Question 17
Which fruit is an example of parthenocarpy?
Mango
Banana
Tomato
Citrus
Question 18
Artificial parthenocarpy is induced by:
Hormones
Cross-pollination
Insects
Self-pollination
Question 19
Natural parthenocarpy occurs in:
Papaya
Mango
Orange
Dandelion
Question 20
Seedless grapes are formed due to:
Apomixis
Polyembryony
Parthenocarpy
Cross-pollination
Question 21
Parthenocarpic fruits are beneficial because:
Reduce fruit size
Increase fruit number
Avoid seed formation
Both b and c
Question 22
Which hormone is most commonly used for artificial parthenocarpy?
Cytokinin
Gibberellin
ABA
Ethylene
Question 23
Parthenocarpic fruits can also develop through:
Pollination only
Pollination-independent fruit set
Seed formation
Cross-fertilization
Question 24
Which of these is a genetically modified parthenocarpic fruit?
Tomato
Apple
Mango
Papaya
Question 25
Parthenocarpy ensures:
Seed dispersal
Uniformity in crops
Fertilization
Genetic variability
Question 26
Which term is synonymous with seedless fruit formation?
Apomixis
Polyembryony
Parthenocarpy
Vegetative propagation
Question 27
In parthenocarpy, the ovary develops into fruit without:
Hormones
Fertilization
Cell division
Water
Question 28
Banana is an example of:
Polyembryony
Apomixis
Parthenocarpy
Sexual reproduction
Question 29
Advantages of parthenocarpic fruits include:
Easy harvesting
Better taste
Seedless nature
All of the above
Question 30
Which is not an example of parthenocarpy?
Banana
Tomato
Grapes
Mango
Question 31
Polyembryony is the formation of:
Multiple seeds per fruit
Multiple embryos in a single seed
Seedless fruit
Haploid embryos
Question 32
An example of polyembryony is:
Citrus
Mango
Banana
Tomato
Question 33
Polyembryony occurs due to:
Fertilization only
Development from somatic cells and fertilized zygote
Only parthenogenesis
Cross-pollination
Question 34
Advantage of polyembryony in agriculture:
Clonal propagation
Increased fruit size
Reduced flowering
Seedless fruits
Question 35
In citrus, extra embryos are formed from:
Zygotic cells only
Nucellus
Pollen
Ovary wall
Question 36
Polyembryony can result in:
Only one viable seedling
Multiple seedlings from a single seed
Seedless fruits
Haploid plants
Question 37
Which of the following shows polyembryony?
Mango
Citrus
Banana
Papaya
Question 38
Nucellar embryony is a type of:
Apomixis
Polyembryony
Parthenocarpy
Sexual reproduction
Question 39
Polyembryony helps in:
Rapid vegetative propagation
Genetic variability
Seedless fruit formation
Reducing pollination
Question 40
Zygotic embryos in polyembryony are:
Haploid
Diploid and sexually formed
Clones of mother
Seedless
Question 41
The embryos in polyembryony may originate from:
Only gametes
Only somatic cells
Both gametes and somatic cells
Only pollen
Question 42
Which of the following is NOT true about polyembryony?
Multiple embryos in one seed
All embryos are genetically identical
Some embryos are clones, some are zygotic
Useful in citrus propagation
Question 43
In polyembryony, the term “nucellar seedlings” refers to:
Zygotic embryos
Embryos from nucellus
Seedless fruits
Haploid seedlings
Question 44
Polyembryony can be used to:
Obtain genetically identical plants
Increase fruit size
Induce seedlessness
Reduce vegetative propagation
Question 45
Polyembryony is most common in:
Gymnosperms
Citrus
Banana
Tomato
Question 46
In polyembryony, if all embryos grow, it may lead to:
One strong plant
Competition among seedlings
Seedless fruits
Male sterility
Question 47
Which process is common in both apomixis and polyembryony?
Fertilization
Development from somatic cells
Seedlessness
Pollination
Question 48
Polyembryony differs from apomixis because:
Only one embryo forms
Polyembryony may have both zygotic and somatic embryos
Apomixis produces multiple embryos
Polyembryony is seedless
Question 49
Citrus polyembryony is exploited for:
Producing hybrids
Producing clonal rootstocks
Seedless fruits
Pollination
Question 50
Which of the following sequences is correct in special modes of reproduction?
Apomixis → Parthenocarpy → Polyembryony
Polyembryony → Apomixis → Parthenocarpy
Parthenocarpy → Polyembryony → Apomixis
Apomixis → Polyembryony → Parthenocarpy
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