Class 11 Biology MCQs
The Living World MCQs
The Living World — MCQs 1. The basic unit of classification is the: A. genus B. species C. family D. order Answer: B 2. Binomial nomenclature was given by: A. Darwin B. Linnaeus C…
Biological Classification MCQs
Biological Classification — MCQs 1. The five kingdom system was proposed by: A. Linnaeus B. Whittaker C. Darwin D. Haeckel Answer: B 2. Bacteria belong to the kingdom: A. Protista…
Plant Kingdom MCQs
Plant Kingdom — MCQs 1. The "amphibians of the plant kingdom" are: A. algae B. bryophytes C. pteridophytes D. gymnosperms Answer: B 2. Naked seeds are found in: A. angiosperms B.…
Animal Kingdom MCQs
Animal Kingdom — MCQs 1. The largest animal phylum is: A. Mollusca B. Arthropoda C. Chordata D. Annelida Answer: B 2. The notochord is a feature of phylum: A. Porifera B. Chordata…
Morphology of Flowering Plants MCQs
Morphology of Flowering Plants — MCQs 1. The reproductive part of a plant is the: A. root B. stem C. leaf D. flower Answer: D 2. Parallel venation is typical of: A. dicots B. mono…
Anatomy of Flowering Plants MCQs
Anatomy of Flowering Plants — MCQs 1. Growth in plants is due to: A. permanent tissue B. meristematic tissue C. xylem D. phloem Answer: B 2. Water is conducted by the: A. phloem B…
Structural Organisation in Animals MCQs
Structural Organisation in Animals — MCQs 1. Blood is a type of: A. epithelial tissue B. connective tissue C. muscular tissue D. nervous tissue Answer: B 2. The tissue that lines…
Cell: The Unit of Life MCQs
Cell: The Unit of Life — MCQs 1. The powerhouse of the cell is the: A. nucleus B. mitochondria C. ribosome D. vacuole Answer: B 2. A cell without a true nucleus is: A. eukaryotic…
Biomolecules MCQs
Biomolecules — MCQs 1. The monomers of proteins are: A. sugars B. amino acids C. fatty acids D. nucleotides Answer: B 2. Enzymes are mostly: A. lipids B. proteins C. carbohydrates…
Cell Cycle and Cell Division MCQs
Cell Cycle and Cell Division — MCQs 1. DNA replication occurs in the: A. G1 phase B. S phase C. G2 phase D. M phase Answer: B 2. Meiosis produces: A. two identical cells B. four c…
Photosynthesis in Higher Plants MCQs
Photosynthesis in Higher Plants — MCQs 1. Photosynthesis occurs in the: A. mitochondria B. chloroplast C. nucleus D. ribosome Answer: B 2. Oxygen in photosynthesis comes from: A.…
Respiration in Plants MCQs
Respiration in Plants — MCQs 1. Glycolysis occurs in the: A. mitochondria B. cytoplasm C. nucleus D. chloroplast Answer: B 2. The Krebs cycle occurs in the: A. cytoplasm B. mitoch…
Plant Growth and Development MCQs
Plant Growth and Development — MCQs 1. A plant growth promoter is: A. abscisic acid B. auxin C. ethylene only D. none Answer: B 2. The response to day length is: A. vernalisation…
Breathing and Exchange of Gases MCQs
Breathing and Exchange of Gases — MCQs 1. Gas exchange occurs in the: A. trachea B. alveoli C. bronchi D. larynx Answer: B 2. Oxygen is mainly transported as: A. dissolved gas B.…
Body Fluids and Circulation MCQs
Body Fluids and Circulation — MCQs 1. The human heart has: A. two chambers B. three chambers C. four chambers D. one chamber Answer: C 2. Vessels carrying blood away from the hear…
Excretory Products and their Elimination MCQs
Excretory Products and their Elimination — MCQs 1. Humans are: A. ammonotelic B. ureotelic C. uricotelic D. none Answer: B 2. The functional unit of the kidney is the: A. neuron B…
Locomotion and Movement MCQs
Locomotion and Movement — MCQs 1. Muscle contraction is explained by the: A. lock and key theory B. sliding filament theory C. germ theory D. cell theory Answer: B 2. The proteins…
Neural Control and Coordination MCQs
Neural Control and Coordination — MCQs 1. The structural unit of the nervous system is the: A. nephron B. neuron C. axon only D. synapse Answer: B 2. The CNS consists of the brain…
Chemical Coordination and Integration MCQs
Chemical Coordination and Integration — MCQs 1. The master gland is the: A. thyroid B. pituitary C. pancreas D. adrenal Answer: B 2. Insulin is secreted by the: A. thyroid B. panc…