Q. Which type of muscle is involuntary and found in the walls of internal organs? (2023)
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A.
Skeletal muscle
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B.
Cardiac muscle
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C.
Smooth muscle
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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
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B.
Cardiac Muscle
-
C.
Smooth Muscle
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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)
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A.
Smooth muscle
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B.
Cardiac muscle
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C.
Skeletal muscle
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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)
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A.
Smooth muscle
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B.
Cardiac muscle
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C.
Skeletal muscle
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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
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C.
Interneurons
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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)
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A.
Mosses
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B.
Liverworts
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C.
Ferns
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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)
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A.
Fungi
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B.
Bryophytes
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C.
Angiosperms
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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
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B.
Collenchyma
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C.
Sclerenchyma
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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)
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A.
Parenchyma
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B.
Collenchyma
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C.
Sclerenchyma
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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)
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A.
Parenchyma
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B.
Collenchyma
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C.
Meristematic tissue
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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)
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A.
Parenchyma
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B.
Collenchyma
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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)
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A.
Parenchyma
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B.
Collenchyma
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C.
Sclerenchyma
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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
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B.
Cross-pollination
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C.
Artificial pollination
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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
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C.
Wind pollination
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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)
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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 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)
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A.
Alpha particles
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B.
Beta particles
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C.
Gamma rays
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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)
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A.
Asexual reproduction
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B.
Vegetative propagation
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C.
Sexual reproduction
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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)
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A.
Budding
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B.
Binary fission
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C.
Fragmentation
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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)
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A.
Asexual reproduction
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B.
Sexual reproduction
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C.
Both asexual and sexual reproduction
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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)
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A.
Sexual reproduction
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B.
Asexual reproduction
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C.
Budding
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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 results in offspring that are genetically identical to the parent? (2022)
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A.
Asexual reproduction
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B.
Sexual reproduction
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C.
Both asexual and sexual reproduction
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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)
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A.
Tap root system
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B.
Fibrous root system
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C.
Adventitious root system
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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)
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A.
Fibrous root system
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B.
Tap root system
-
C.
Adventitious root system
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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)
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A.
N-type
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B.
P-type
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C.
Intrinsic
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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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Q. Which type of semiconductor is formed by doping silicon with phosphorus? (2020)
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A.
p-type
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B.
n-type
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C.
Intrinsic
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D.
Superconducting
Solution
Doping silicon with phosphorus creates an n-type semiconductor due to the addition of extra electrons.
Correct Answer: B — n-type
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Q. Which type of solid has a definite melting point and is composed of molecules held together by van der Waals forces? (2022)
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A.
Ionic solid
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B.
Metallic solid
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C.
Molecular solid
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D.
Covalent solid
Solution
Molecular solids are composed of molecules held together by van der Waals forces and have a definite melting point.
Correct Answer: C — Molecular solid
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Q. Which type of solid has a definite melting point? (2022)
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A.
Amorphous solid
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B.
Crystalline solid
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C.
Polymeric solid
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D.
Metallic solid
Solution
Crystalline solids have a definite melting point due to their ordered structure, unlike amorphous solids which melt over a range of temperatures.
Correct Answer: B — Crystalline solid
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Q. Which type of tissue is responsible for movement in animals? (2019)
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A.
Epithelial Tissue
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B.
Connective Tissue
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C.
Muscle Tissue
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D.
Nervous Tissue
Solution
Muscle tissue is responsible for movement in animals.
Correct Answer: C — Muscle Tissue
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Q. Which type of tissue is responsible for the movement of the body? (2021)
-
A.
Epithelial Tissue
-
B.
Connective Tissue
-
C.
Muscle Tissue
-
D.
Nervous Tissue
Solution
Muscle tissue is responsible for the movement of the body.
Correct Answer: C — Muscle Tissue
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