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. What is the main advantage of using transgenic plants? (2022)
  • A. Higher nutritional value
  • B. Increased growth rate
  • C. Resistance to herbicides
  • D. Faster reproduction
Q. What is the main advantage of using yeast as a host for cloning? (2023)
  • A. High growth rate
  • B. Eukaryotic post-translational modifications
  • C. Simple genome
  • D. Low cost
Q. What is the main application of CRISPR technology? (2023)
  • A. Gene therapy
  • B. Gene editing
  • C. DNA sequencing
  • D. Protein synthesis
Q. What is the main cause of tuberculosis? (2019)
  • A. Bacterial infection
  • B. Viral infection
  • C. Fungal infection
  • D. Parasitic infection
Q. What is the main characteristic of mammals? (2021)
  • A. Cold-blooded
  • B. Feathers
  • C. Hair or fur
  • D. Scales
Q. What is the main characteristic of organisms in the phylum Porifera? (2022)
  • A. Presence of a true coelom
  • B. Body symmetry
  • C. Presence of pores
  • D. Presence of a notochord
Q. What is the main characteristic of the phylum Mollusca? (2021)
  • A. Jointed legs
  • B. Soft-bodied with a hard shell
  • C. Radial symmetry
  • D. Exoskeleton made of chitin
Q. What is the main characteristic of the phylum Porifera? (2021)
  • A. Presence of a true coelom
  • B. Body symmetry
  • C. Presence of pores
  • D. Presence of a notochord
Q. What is the main component of plasma in blood? (2023)
  • A. Water
  • B. Proteins
  • C. Electrolytes
  • D. Hormones
Q. What is the main component of the cell wall in plant cells? (2023)
  • A. Cellulose
  • B. Chitin
  • C. Peptidoglycan
  • D. Lipid
Q. What is the main component of the cell wall in plants? (2022)
  • A. Cellulose
  • B. Chitin
  • C. Peptidoglycan
  • D. Lipid
Q. What is the main component of urine? (2022)
  • A. Water
  • B. Urea
  • C. Sodium chloride
  • D. Creatinine
Q. What is the main disadvantage of asexual reproduction? (2022)
  • A. Slower reproduction rate
  • B. Lack of genetic variation
  • C. Requires more energy
  • D. Involves two parents
Q. What is the main driving force for the movement of water in plants? (2023)
  • A. Root pressure
  • B. Capillary action
  • C. Transpiration pull
  • D. Gravity
Q. What is the main driving force for the movement of water in the xylem?
  • A. Root pressure
  • B. Capillary action
  • C. Transpiration pull
  • D. Gravity
Q. What is the main effect of deforestation on biodiversity? (2019)
  • A. Increase in species diversity
  • B. Habitat loss
  • C. Improvement in ecosystem services
  • D. Reduction in carbon footprint
Q. What is the main effect of deforestation on the environment? (2019)
  • A. Increased biodiversity
  • B. Soil conservation
  • C. Loss of habitat
  • D. Improved air quality
Q. What is the main energy source for muscle contraction? (2023)
  • A. Glucose
  • B. Fatty acids
  • C. ATP
  • D. Creatine phosphate
Q. What is the main enzyme involved in protein digestion in the stomach? (2021)
  • A. Amylase
  • B. Pepsin
  • C. Trypsin
  • D. Lipase
Q. What is the main excretory product of purine metabolism? (2022)
  • A. Urea
  • B. Creatinine
  • C. Uric acid
  • D. Ammonia
Q. What is the main factor that determines the type of ecosystem in a particular area? (2019)
  • A. Soil type
  • B. Climate
  • C. Topography
  • D. Human activity
Q. What is the main function of alveoli in the lungs? (2019)
  • A. Gas exchange
  • B. Air filtration
  • C. Sound production
  • D. Temperature regulation
Q. What is the main function of antibodies in the immune system? (2021)
  • A. To destroy pathogens
  • B. To produce hormones
  • C. To transport oxygen
  • D. To digest food
Q. What is the main function of cartilage in the body? (2019)
  • A. Support and flexibility
  • B. Storage of fat
  • C. Transport of nutrients
  • D. Production of blood cells
Q. What is the main function of decomposers in an ecosystem? (2020)
  • A. Produce energy
  • B. Consume primary producers
  • C. Recycle nutrients
  • D. Provide shelter
Q. What is the main function of ligaments in the human body? (2019)
  • A. Connect muscle to bone
  • B. Connect bone to bone
  • C. Support organs
  • D. Facilitate movement
Q. What is the main function of phloem in flowering plants? (2023)
  • A. Transport of water
  • B. Transport of nutrients
  • C. Transport of food
  • D. Support
Q. What is the main function of producers in an ecosystem? (2019)
  • A. To consume other organisms
  • B. To decompose organic matter
  • C. To produce energy through photosynthesis
  • D. To compete for resources
Q. What is the main function of skeletal muscle tissue? (2019)
  • A. Involuntary movement
  • B. Voluntary movement
  • C. Pumping blood
  • D. Regulating body temperature
Q. What is the main function of stratified squamous epithelium? (2019)
  • A. Secretion
  • B. Protection
  • C. Absorption
  • D. Filtration
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