learnbiology

Biology class 10 Chapter No. 9 Pharmacology MCQs (1-100) Pharmacology is the study of: a) Diseases b) Hormones c) Drugs and their effects d) Blood circulation Answer: c The branch of pharmacology that deals with the origin and nature of drugs is called a) Pharmacodynamics b) Pharmacokinetics c) Pharmacognosy d) Toxicology Answer: c Which branch of pharmacology studies the effects of drugs on the body? a) Pharmacodynamics b) Pharmacokinetics c) Pharmaceutics d) Immunology Answer: a The study of how drugs move through the body is called a) Pharmacognosy b) Pharmacodynamics c) Pharmacokinetics d) Biochemistry Answer: c The science of poisons and their effects is a) Physiology b) Pharmacology c) Pathology d) Toxicology Answer: d A drug that reduces pain is known as: a) Antibiotic b) Analgesic c) Antipyretic d) Anesthetic Answer: b Antibiotics are used to treat: a) Viral infections b) Bacterial infections c) Fungal infections d) Parasitic...

Biology class 10 Biotechnology MCQs (1–100) Biotechnology is the branch of science that deals with a) Study of fossils b) Use of living organisms in technology c) Celestial bodies d) Human anatomy Answer: b The term "Biotechnology" was first used by a) Louis Pasteur b) Karl Ereky c) Watson d) Alexander Fleming Answer: b Which of the following is a product of biotechnology? a) Bread b) Insulin c) Rice d) Soap Answer: b Which organism is commonly used in fermentation? a) Bacteria b) Amoeba c) Yeast d) Virus Answer: c The process of inserting a gene from one organism into another is called a) Cloning b) Mutation c) Genetic engineering d) Breeding Answer: c Genetically modified organisms (GMOs) are produced using a) Embryo transfer b) Tissue culture c) Genetic engineering d) Selective breeding Answer: c Which of the following is a genetically engineered product? a) Organic vegetables b) Bt cotton c) Antibiotics d) Honey Answer...

Biology class 10 Chapter 7 Man and His Environment  100 MCQs The total surroundings of an organism are called a) Ecology b) Environment c) Habitat d) Atmosphere Answer: b Which of the following is a biotic component of the environment? a) Water b) Soil c) Plants d) Air Answer: c An organism's specific role or function in its habitat is known as: a) Ecosystem b) Food chain c) Niche d) Community Answer: c The study of the relationship between organisms and their environment is a) Physiology b) Zoology c) Ecology d) Cytology Answer: c Which of these is an abiotic factor? a) Bacteria b) Light c) Plants d) Animals Answer: b A group of organisms of the same species living in the same place is called: a) Community b) Ecosystem c) Habitat d) Population Answer: d Which of the following is the ultimate source of energy for all life on Earth? a) Plants b) Sun c) Soil d) Water Answer: b The green plants in an ecosystem are a) Consume...

Biology class 10 Chapter no 6 Inheritance The study of inheritance and variation is known as: a) Anatomy b) Physiology c) Genetics d) Evolution Answer: c The father of genetics is a) Charles Darwin b) Gregor Mendel c) Jean-Baptiste Lamarck d) Watson Answer: b In Mendel’s experiments, the tall trait in pea plants is a) Recessive b) Dominant c) Mutated d) Absent Answer: b A unit of inheritance is called a: a) Protein b) Chromosome c) Trait d) Gene Answer: d The alternative forms of a gene are called a) Chromosomes b) Alleles c) Traits d) Genotypes Answer: b Which of the following determines the sex of a child? a) Egg b) X chromosome from mother c) Y chromosome from father d) Mitochondria Answer: c A person with XY chromosomes is a) Male b) Female c) Both d) Undefined Answer: a The physical appearance of an individual is called its: a) Genotype b) Phenotype c) Allele d) Trait Answer: b The genetic makeup of an individual ...

Reproduction—Class 10 Biology MCQs  Reproduction is essential for: a) Growth of organisms b) Metabolism c) Continuation of species d) Digestion Answer: c The process by which a single organism produces offspring is called a) Sexual reproduction b) Vegetative propagation c) Asexual reproduction d) Regeneration Answer: c In which of the following does binary fission occur? a) Hydra b) Amoeba c) Yeast d) Rose Answer: b Budding is a mode of reproduction in: a) Paramecium b) Euglena c) Hydra d) Amoeba Answer: c Reproduction involving two parents is called: a) Binary fission b) Sexual reproduction c) Budding d) Asexual reproduction Answer: b Which of the following is not an asexual method of reproduction? a) Binary fission b) Budding c) Fertilization d) Fragmentation Answer: c Sexual reproduction results in: a) Clones b) Genetically identical offspring c) Genetic variation d) Rapid multiplication Answer: c The fusion of male and...

Support and Movement—Class 10 Biology MCQs  The basic unit of the skeletal system is the: a) Tendon b) Muscle c) Bone d) Ligament Answer: c Which type of joint is found in the shoulder? a) Hinge joint b) Ball and socket joint c) Pivot joint d) Gliding joint Answer: b The main function of the skeleton is a) Transport of blood b) Exchange of gases c) Support and movement d) Digestion Answer: c Which connective tissue joins bone to bone? a) Ligament b) Tendon c) Cartilage d) Muscle Answer: a Which connective tissue joins muscle to bone? a) Ligament b) Tendon c) Cartilage d) Epithelium Answer: b The human backbone is made up of: a) 30 vertebrae b) 33 vertebrae c) 36 vertebrae d) 28 vertebrae Answer: b The longest bone in the human body is a) Tibia b) Humerus c) Radius d) Femur Answer: d The fluid that lubricates joints is a) Plasma b) Synovial fluid c) Lymph d) Interstitial fluid Answer: b The knee joint is an example of...