Q. The female reproductive part of a flower is called the: (2022)
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A.
Stamen
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B.
Pistil
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C.
Petal
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D.
Sepal
Solution
The pistil is the female reproductive part of the flower, consisting of the ovary, style, and stigma.
Correct Answer: B — Pistil
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Q. The part of the flower that receives pollen is called the: (2022)
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A.
Ovary
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B.
Stigma
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C.
Style
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D.
Anther
Solution
The stigma is the part of the pistil that receives pollen during fertilization.
Correct Answer: B — Stigma
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Q. What is the female reproductive part of a flower called? (2022)
-
A.
Stamen
-
B.
Pistil
-
C.
Petal
-
D.
Sepal
Solution
The pistil is the female reproductive part of the flower, consisting of the ovary, style, and stigma.
Correct Answer: B — Pistil
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Q. What is the function of the sepals in a flower? (2020)
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A.
Attract pollinators
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B.
Protect the flower bud
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C.
Produce pollen
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D.
Support the flower
Solution
Sepals protect the flower bud before it opens.
Correct Answer: B — Protect the flower bud
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Q. What is the function of the xylem in flowering plants? (2023)
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A.
Transport of nutrients
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B.
Transport of water
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C.
Photosynthesis
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D.
Storage of food
Solution
Xylem is responsible for the transport of water and minerals from the roots to the rest of the plant.
Correct Answer: B — Transport of water
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Q. What is the main function of the leaf stomata? (2023)
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A.
Water storage
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B.
Gas exchange
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C.
Nutrient absorption
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D.
Support
Solution
Stomata are small openings on the leaf surface that facilitate gas exchange, allowing carbon dioxide in and oxygen out.
Correct Answer: B — Gas exchange
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Q. What is the main function of the root system in flowering plants? (2020)
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A.
Photosynthesis
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B.
Anchorage and absorption of water
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C.
Reproduction
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D.
Storage of food
Solution
The root system primarily anchors the plant and absorbs water and nutrients from the soil.
Correct Answer: B — Anchorage and absorption of water
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Q. What is the main function of the sepals? (2021)
-
A.
Attract pollinators
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B.
Protect the flower bud
-
C.
Produce nectar
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D.
Support the petals
Solution
Sepals protect the flower bud before it opens and can also support the petals.
Correct Answer: B — Protect the flower bud
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Q. What is the outermost whorl of a flower called? (2023)
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A.
Calyx
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B.
Corolla
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C.
Androecium
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D.
Gynoecium
Solution
The outermost whorl of a flower is called the calyx, which is made up of sepals.
Correct Answer: A — Calyx
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Q. What is the primary function of leaves in flowering plants? (2023)
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A.
Reproduction
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B.
Photosynthesis
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C.
Storage
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D.
Support
Solution
Leaves are primarily responsible for photosynthesis, converting sunlight into energy for the plant.
Correct Answer: B — Photosynthesis
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Q. What is the primary function of petals in a flower? (2021)
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A.
Support the flower
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B.
Attract pollinators
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C.
Protect the ovary
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D.
Produce nectar
Solution
Petals are often brightly colored to attract pollinators.
Correct Answer: B — Attract pollinators
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Q. What is the primary function of the flower's petals? (2022)
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A.
Attract pollinators
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B.
Protect the ovary
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C.
Support the flower
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D.
Store nutrients
Solution
Petals are primarily designed to attract pollinators with their color and fragrance.
Correct Answer: A — Attract pollinators
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Q. What is the primary function of the phloem in flowering plants? (2023)
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A.
Transport of water
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B.
Transport of food
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C.
Support
-
D.
Storage
Solution
Phloem is responsible for the transport of food (sugars) produced during photosynthesis from leaves to other parts of the plant.
Correct Answer: B — Transport of food
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Q. What is the primary role of the xylem in flowering plants? (2023)
-
A.
Transport of food
-
B.
Transport of water
-
C.
Storage of nutrients
-
D.
Photosynthesis
Solution
Xylem is responsible for the transport of water and minerals from the roots to the rest of the plant.
Correct Answer: B — Transport of water
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Q. What is the role of chlorophyll in leaves? (2023)
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A.
Water storage
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B.
Nutrient absorption
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C.
Photosynthesis
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D.
Gas exchange
Solution
Chlorophyll is essential for photosynthesis as it captures light energy to convert carbon dioxide and water into glucose.
Correct Answer: C — Photosynthesis
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Q. What is the role of the stigma in a flower? (2019)
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A.
To produce ovules
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B.
To receive pollen
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C.
To support the flower
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D.
To attract insects
Solution
The stigma is the part of the pistil that receives pollen during fertilization.
Correct Answer: B — To receive pollen
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Q. What is the term for a flower that has both male and female reproductive structures? (2019)
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A.
Unisexual
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B.
Bisexual
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C.
Asexual
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D.
Monoecious
Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer: B — Bisexual
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Q. What is the term for a flower with both male and female reproductive structures? (2019)
-
A.
Unisexual
-
B.
Bisexual
-
C.
Asexual
-
D.
Monoecious
Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer: B — Bisexual
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Q. What is the term for the arrangement of flowers on a stem? (2023)
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A.
Inflorescence
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B.
Peduncle
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C.
Receptacle
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D.
Calyx
Solution
Inflorescence refers to the arrangement of flowers on a stem.
Correct Answer: A — Inflorescence
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Q. What is the term for the female reproductive part of a flower? (2022)
-
A.
Stamen
-
B.
Pistil
-
C.
Petal
-
D.
Sepal
Solution
The pistil is the female reproductive part of the flower, consisting of the ovary, style, and stigma.
Correct Answer: B — Pistil
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Q. What is the term for the female reproductive part of the flower? (2022)
-
A.
Stamen
-
B.
Pistil
-
C.
Anther
-
D.
Filament
Solution
The pistil is the female reproductive part of the flower, consisting of the stigma, style, and ovary.
Correct Answer: B — Pistil
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Q. What is the term for the male gamete in flowering plants? (2023)
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A.
Ovule
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B.
Pollen grain
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C.
Seed
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D.
Ovary
Solution
The male gamete in flowering plants is contained within the pollen grain.
Correct Answer: B — Pollen grain
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Q. What is the term for the male reproductive part of a flower? (2023)
-
A.
Pistil
-
B.
Stamen
-
C.
Ovary
-
D.
Style
Solution
The stamen is the male reproductive part of the flower, consisting of the anther and filament.
Correct Answer: B — Stamen
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Q. What type of leaf arrangement is characterized by leaves that grow directly opposite each other on the stem? (2021)
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A.
Alternate
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B.
Whorled
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C.
Opposite
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D.
Rosette
Solution
In opposite leaf arrangement, two leaves grow at each node directly across from each other.
Correct Answer: C — Opposite
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Q. What type of root system is found in monocots? (2021)
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A.
Tap root system
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B.
Fibrous root system
-
C.
Adventitious root system
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D.
None of the above
Solution
Monocots typically have a fibrous root system, which consists of many thin roots.
Correct Answer: B — Fibrous root system
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Q. Which of the following is a characteristic of dicotyledons? (2019)
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A.
Two cotyledons
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B.
Parallel venation
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C.
Fibrous root system
-
D.
Single flower part
Solution
Dicotyledons are characterized by having two cotyledons in their seeds.
Correct Answer: A — Two cotyledons
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Q. Which of the following is a modified leaf in flowering plants? (2020)
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A.
Stamen
-
B.
Petal
-
C.
Sepal
-
D.
Bract
Solution
Bracts are modified leaves that can be found associated with flowers.
Correct Answer: D — Bract
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Q. Which of the following is a modified leaf that forms part of the flower? (2022)
-
A.
Bract
-
B.
Node
-
C.
Internode
-
D.
Petiole
Solution
A bract is a modified leaf that can be found at the base of a flower or inflorescence.
Correct Answer: A — Bract
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Q. Which of the following is a modified stem? (2019)
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A.
Tuber
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B.
Rhizome
-
C.
Bulb
-
D.
All of the above
Solution
All of the options listed (tuber, rhizome, and bulb) are examples of modified stems.
Correct Answer: D — All of the above
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Q. Which of the following is NOT a function of stems in flowering plants? (2022)
-
A.
Support
-
B.
Transport of nutrients
-
C.
Photosynthesis
-
D.
Water absorption
Solution
Stems primarily support the plant, transport nutrients and water, but do not absorb water; this is the function of roots.
Correct Answer: D — Water absorption
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