Q. Which type of flower has both male and female reproductive structures? (2023)
-
A.
Unisexual
-
B.
Bisexual
-
C.
Complete
-
D.
Incomplete
Solution
A bisexual flower contains both stamens and carpels, making it capable of producing both pollen and ovules.
Correct Answer: B — Bisexual
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Q. Which type of immunity is acquired through vaccination? (2021)
-
A.
Innate immunity
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B.
Passive immunity
-
C.
Active immunity
-
D.
Cell-mediated immunity
Solution
Vaccination stimulates the immune system to develop active immunity against specific pathogens.
Correct Answer: C — Active immunity
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Q. Which type of muscle fibers are known for endurance activities? (2022)
-
A.
Type I fibers
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B.
Type IIa fibers
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C.
Type IIb fibers
-
D.
Type III fibers
Solution
Type I fibers, also known as slow-twitch fibers, are more resistant to fatigue and are suited for endurance activities.
Correct Answer: A — Type I fibers
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Q. Which type of muscle fibers are known for endurance and are rich in mitochondria? (2022)
-
A.
Fast-twitch fibers
-
B.
Slow-twitch fibers
-
C.
Intermediate fibers
-
D.
Type II fibers
Solution
Slow-twitch fibers are known for endurance and have a high density of mitochondria for aerobic respiration.
Correct Answer: B — Slow-twitch fibers
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Q. Which type of muscle is involuntary and found in the walls of internal organs? (2023)
-
A.
Skeletal muscle
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B.
Cardiac muscle
-
C.
Smooth muscle
-
D.
Striated muscle
Solution
Smooth muscle is involuntary and is found in the walls of internal organs, such as the intestines and blood vessels.
Correct Answer: C — Smooth muscle
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Q. Which type of muscle tissue is involuntary and found in the walls of internal organs? (2019)
-
A.
Skeletal muscle
-
B.
Cardiac muscle
-
C.
Smooth muscle
-
D.
Striated muscle
Solution
Smooth muscle is involuntary and is found in the walls of hollow organs such as the intestines and blood vessels.
Correct Answer: C — Smooth muscle
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Q. Which type of muscle tissue is involuntary and found in the walls of organs? (2020)
-
A.
Skeletal Muscle
-
B.
Cardiac Muscle
-
C.
Smooth Muscle
-
D.
Striated Muscle
Solution
Smooth muscle is involuntary and found in the walls of organs.
Correct Answer: C — Smooth Muscle
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Q. Which type of muscle tissue is striated and under voluntary control? (2023)
-
A.
Smooth muscle
-
B.
Cardiac muscle
-
C.
Skeletal muscle
-
D.
Involuntary muscle
Solution
Skeletal muscle is striated and is under voluntary control, allowing for movement of the skeleton.
Correct Answer: C — Skeletal muscle
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Q. Which type of muscle tissue is striated and voluntary? (2023)
-
A.
Smooth muscle
-
B.
Cardiac muscle
-
C.
Skeletal muscle
-
D.
All of the above
Solution
Skeletal muscle is striated and under voluntary control, allowing for conscious movement.
Correct Answer: C — Skeletal muscle
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Q. Which type of neuron carries signals away from the central nervous system? (2021)
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A.
Sensory neurons
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B.
Motor neurons
-
C.
Interneurons
-
D.
Glial cells
Solution
Motor neurons carry signals away from the central nervous system to muscles and glands.
Correct Answer: B — Motor neurons
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Q. Which type of plant is known for having a dominant sporophyte generation? (2021)
-
A.
Mosses
-
B.
Liverworts
-
C.
Ferns
-
D.
Algae
Solution
Ferns have a dominant sporophyte generation, which is the diploid phase of their life cycle.
Correct Answer: C — Ferns
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Q. Which type of plant is known for having a life cycle that alternates between haploid and diploid generations? (2021)
-
A.
Fungi
-
B.
Bryophytes
-
C.
Angiosperms
-
D.
All of the above
Solution
All of the above groups exhibit a life cycle that alternates between haploid (gametophyte) and diploid (sporophyte) generations.
Correct Answer: D — All of the above
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Q. Which type of plant tissue is involved in the storage of food? (2023)
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A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Xylem
Solution
Parenchyma tissue is primarily involved in the storage of food and can also perform photosynthesis.
Correct Answer: A — Parenchyma
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Q. Which type of plant tissue is primarily involved in storage? (2023)
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Xylem
Solution
Parenchyma tissue is primarily involved in storage, as it can store starch, oils, and water.
Correct Answer: A — Parenchyma
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Q. Which type of plant tissue is responsible for growth? (2022)
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Meristematic tissue
-
D.
Sclerenchyma
Solution
Meristematic tissue is responsible for the growth of plants as it contains undifferentiated cells that can divide.
Correct Answer: C — Meristematic tissue
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Q. Which type of plant tissue is responsible for the storage of food? (2023)
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Xylem
Solution
Parenchyma tissue is primarily responsible for the storage of food and can also perform photosynthesis.
Correct Answer: A — Parenchyma
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Q. Which type of plant tissue provides support and flexibility? (2020)
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Xylem
Solution
Collenchyma provides support and flexibility to the plant, especially in young stems and leaves.
Correct Answer: B — Collenchyma
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Q. Which type of pollination occurs when pollen is transferred from one flower to another flower of the same species? (2021)
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A.
Self-pollination
-
B.
Cross-pollination
-
C.
Artificial pollination
-
D.
Wind pollination
Solution
Cross-pollination occurs when pollen is transferred from one flower to another flower of the same species.
Correct Answer: B — Cross-pollination
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Q. Which type of pollination occurs when pollen is transferred from the anther to the stigma of the same flower? (2021)
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A.
Cross-pollination
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B.
Self-pollination
-
C.
Wind pollination
-
D.
Insect pollination
Solution
Self-pollination occurs when pollen is transferred from the anther to the stigma of the same flower.
Correct Answer: B — Self-pollination
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Q. Which type of pollination occurs within the same flower? (2021)
-
A.
Cross-pollination
-
B.
Self-pollination
-
C.
Wind pollination
-
D.
Insect pollination
Solution
Self-pollination occurs when pollen from the anther of a flower fertilizes the ovule of the same flower.
Correct Answer: B — Self-pollination
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Q. Which type of radiation has the highest penetrating power? (2019)
-
A.
Alpha particles
-
B.
Beta particles
-
C.
Gamma rays
-
D.
Neutrons
Solution
Gamma rays have the highest penetrating power among the types of radiation, able to pass through most materials.
Correct Answer: C — Gamma rays
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Q. Which type of reproduction involves the fusion of gametes? (2022)
-
A.
Asexual reproduction
-
B.
Vegetative propagation
-
C.
Sexual reproduction
-
D.
Budding
Solution
Sexual reproduction involves the fusion of male and female gametes to form a zygote.
Correct Answer: C — Sexual reproduction
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Q. Which type of reproduction is characterized by the formation of a new organism from a part of the parent organism? (2023)
-
A.
Budding
-
B.
Binary fission
-
C.
Fragmentation
-
D.
All of the above
Solution
All of the mentioned methods (budding, binary fission, and fragmentation) involve the formation of new organisms from parts of the parent.
Correct Answer: D — All of the above
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Q. Which type of reproduction is most common in fungi? (2023)
-
A.
Asexual reproduction
-
B.
Sexual reproduction
-
C.
Both asexual and sexual reproduction
-
D.
None of the above
Solution
Fungi can reproduce both asexually (through spores) and sexually (through the fusion of hyphae).
Correct Answer: C — Both asexual and sexual reproduction
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Q. Which type of reproduction is most common in unicellular organisms? (2019)
-
A.
Sexual reproduction
-
B.
Asexual reproduction
-
C.
Budding
-
D.
Fragmentation
Solution
Asexual reproduction is most common in unicellular organisms, allowing for rapid population growth.
Correct Answer: B — Asexual reproduction
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Q. Which type of reproduction is most likely to occur in stable environments? (2023)
-
A.
Asexual reproduction
-
B.
Sexual reproduction
-
C.
Budding
-
D.
Fragmentation
Solution
Asexual reproduction is favored in stable environments as it allows for rapid population increase without the need for mates.
Correct Answer: A — Asexual reproduction
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Q. Which type of reproduction results in offspring that are genetically identical to the parent? (2022)
-
A.
Asexual reproduction
-
B.
Sexual reproduction
-
C.
Both asexual and sexual reproduction
-
D.
None of the above
Solution
Asexual reproduction results in offspring that are genetically identical to the parent organism.
Correct Answer: A — Asexual reproduction
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Q. Which type of root system is characteristic of monocots? (2020)
-
A.
Tap root system
-
B.
Fibrous root system
-
C.
Adventitious root system
-
D.
Lateral root system
Solution
Monocots typically have a fibrous root system, which consists of many thin roots that spread out.
Correct Answer: B — Fibrous root system
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Q. Which type of root system is characterized by a single main root with smaller lateral roots? (2020)
-
A.
Fibrous root system
-
B.
Tap root system
-
C.
Adventitious root system
-
D.
Modified root system
Solution
A tap root system is characterized by a single main root that grows deeper into the soil with smaller lateral roots.
Correct Answer: B — Tap root system
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Q. Which type of semiconductor has a higher concentration of holes? (2023)
-
A.
N-type
-
B.
P-type
-
C.
Intrinsic
-
D.
Extrinsic
Solution
P-type semiconductors have a higher concentration of holes compared to N-type semiconductors.
Correct Answer: B — P-type
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