Biology in Health - Human Health & Disease Biology in Health - Microbes in Human Welfare Biotechnology - Biotech Applications Biotechnology - Biotech Principles Cell Biology - Biomolecules Cell Biology - Cell Cycle & Division Cell Biology - Cell Structure Diversity in Living World - Animal Kingdom Diversity in Living World - Biological Classification Diversity in Living World - Plant Kingdom Diversity in Living World - The Living World Ecology - Biodiversity & Conservation Ecology - Ecosystem Ecology - Environmental Issues Ecology - Organisms & Populations Genetics & Evolution - Evolution Genetics & Evolution - Molecular Basis of Inheritance Genetics & Evolution - Principles of Inheritance Human Physiology - Body Fluids & Circulation Human Physiology - Breathing & Respiration Human Physiology - Chemical Coordination Human Physiology - Digestion & Absorption Human Physiology - Excretory Products Human Physiology - Locomotion & Movement Human Physiology - Neural Control Plant Physiology - Mineral Nutrition Plant Physiology - Photosynthesis Plant Physiology - Plant Growth & Development Plant Physiology - Respiration in Plants Plant Physiology - Transport in Plants Reproduction - Human Reproduction Reproduction - Reproduction in Organisms Reproduction - Reproductive Health Reproduction - Sexual Reproduction in Plants Structural Organization - Anatomy of Flowering Plants Structural Organization - Morphology of Flowering Plants Structural Organization - Structural Organisation in Animals
Q. Which structure in the flower develops into seeds after fertilization? (2023)
  • A. Ovary
  • B. Stigma
  • C. Anther
  • D. Filament
Q. Which structure in the flower is responsible for producing ovules? (2023)
  • A. Anther
  • B. Ovary
  • C. Filament
  • D. Stigma
Q. Which structure in the leaf is primarily responsible for gas exchange?
  • A. Stomata
  • B. Cuticle
  • C. Chloroplasts
  • D. Xylem
Q. Which structure in the neuron is responsible for the generation of action potentials? (2019)
  • A. Dendrites
  • B. Cell body
  • C. Axon hillock
  • D. Myelin sheath
Q. Which structure in the neuron is responsible for transmitting electrical impulses? (2019)
  • A. Dendrites
  • B. Cell body
  • C. Axon
  • D. Synapse
Q. Which structure in the neuron is responsible for transmitting impulses away from the cell body? (2019)
  • A. Dendrite
  • B. Axon
  • C. Synapse
  • D. Node of Ranvier
Q. Which structure in the neuron is responsible for transmitting impulses to other neurons? (2019)
  • A. Dendrites
  • B. Cell body
  • C. Axon
  • D. Synapse
Q. Which structure in the plant regulates the opening and closing of stomata?
  • A. Guard cells
  • B. Xylem vessels
  • C. Phloem fibers
  • D. Mesophyll cells
Q. Which structure increases the surface area for absorption in the small intestine? (2022)
  • A. Villi
  • B. Microvilli
  • C. Plicae circulares
  • D. All of the above
Q. Which structure is involved in the synthesis of lipids? (2022)
  • A. Rough ER
  • B. Smooth ER
  • C. Golgi apparatus
  • D. Lysosome
Q. Which structure is responsible for controlling the activities of the cell? (2019)
  • A. Cell wall
  • B. Nucleus
  • C. Cytoplasm
  • D. Ribosome
Q. Which structure is responsible for controlling the entry and exit of substances in a cell? (2022)
  • A. Cell wall
  • B. Plasma membrane
  • C. Cytoplasm
  • D. Nucleus
Q. Which structure is responsible for maintaining the shape of plant cells? (2021)
  • A. Cell membrane
  • B. Cell wall
  • C. Cytoplasm
  • D. Chloroplast
Q. Which structure is responsible for packaging and modifying proteins? (2020)
  • A. Nucleus
  • B. Golgi apparatus
  • C. Lysosome
  • D. Vesicle
Q. Which structure is responsible for packaging and transporting proteins?
  • A. Lysosome
  • B. Golgi apparatus
  • C. Rough endoplasmic reticulum
  • D. Nucleus
Q. Which structure is responsible for photosynthesis in plant cells? (2021)
  • A. Mitochondria
  • B. Chloroplast
  • C. Ribosome
  • D. Vacuole
Q. Which structure is responsible for pollen production? (2020)
  • A. Ovary
  • B. Anther
  • C. Style
  • D. Stigma
Q. Which structure is responsible for the synthesis of ATP? (2022)
  • A. Chloroplast
  • B. Mitochondria
  • C. Nucleus
  • D. Golgi apparatus
Q. Which structure is responsible for the synthesis of lipids? (2021)
  • A. Smooth endoplasmic reticulum
  • B. Rough endoplasmic reticulum
  • C. Golgi apparatus
  • D. Mitochondria
Q. Which structure is responsible for the synthesis of ribosomal RNA? (2021)
  • A. Nucleus
  • B. Nucleolus
  • C. Ribosome
  • D. Endoplasmic reticulum
Q. Which structure is responsible for the transport of sperm? (2020)
  • A. Urethra
  • B. Vas deferens
  • C. Seminal vesicle
  • D. Prostate gland
Q. Which structure is selectively permeable and regulates the entry and exit of substances in a cell?
  • A. Cell wall
  • B. Plasma membrane
  • C. Nuclear membrane
  • D. Cytoplasm
Q. Which structure prevents the backflow of food from the stomach to the esophagus? (2020)
  • A. Pyloric sphincter
  • B. Cardiac sphincter
  • C. Ileocecal valve
  • D. Anal sphincter
Q. Which structure protects the developing seeds in a flowering plant? (2021)
  • A. Ovary
  • B. Anther
  • C. Filament
  • D. Pistil
Q. Which type of blood vessel carries oxygenated blood away from the heart? (2022)
  • A. Veins
  • B. Capillaries
  • C. Arteries
  • D. Venules
Q. Which type of blood vessel is primarily responsible for nutrient and gas exchange? (2019)
  • A. Arteries
  • B. Veins
  • C. Capillaries
  • D. Arterioles
Q. Which type of cell division results in two identical daughter cells? (2020)
  • A. Meiosis
  • B. Mitosis
  • C. Binary fission
  • D. Budding
Q. Which type of connective tissue connects muscles to bones? (2023)
  • A. Tendons
  • B. Ligaments
  • C. Cartilage
  • D. Adipose tissue
Q. Which type of epithelial tissue is best suited for areas subject to abrasion? (2022)
  • A. Simple cuboidal epithelium
  • B. Simple columnar epithelium
  • C. Stratified squamous epithelium
  • D. Transitional epithelium
Q. Which type of epithelial tissue is specialized for absorption and secretion? (2020)
  • A. Simple squamous epithelium
  • B. Stratified squamous epithelium
  • C. Cuboidal epithelium
  • D. Columnar epithelium
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