Chapter Wise Mcq Of Biology Class Xi

Chapter Wise Mcq Of Biology Class Xi ChapterWise MCQs for Biology Class 11 Ace Your Exams with Confidence Hey there future biologists Are you ready to conquer the world of Biology in Class 11 We know that tackling the vast and intricate world of living organisms can be a daunting task But fear not because weve got you covered This comprehensive guide will equip you with chapterwise MCQs for Biology Class 11 designed to help you solidify your understanding test your knowledge and ace your exams with confidence Why are MCQs so important Multiple choice questions are a staple of academic assessments and for good reason They Test your understanding MCQs go beyond simply memorizing facts They require you to analyze apply and interpret information to select the correct answer Improve your critical thinking By eliminating incorrect options you refine your understanding and develop strong critical thinking skills Offer efficient learning MCQs allow you to quickly assess your strengths and weaknesses pinpoint areas that need more attention and revise effectively Lets Dive into the Chapters Chapter 1 The Living World 1 What is the basic unit of life a Organism b Cell c Tissue d Organ 2 Which of the following is NOT a characteristic of living organisms a Growth b Reproduction c Metabolism d Inertness 2 3 Which of the following is an example of a prokaryotic cell a Plant cell b Animal cell c Bacteria d Fungus 4 What is the scientific name of the mango tree a Mangifera indica b Musa paradisiaca c Ficus benghalensis d Azadirachta indica 5 Who proposed the binomial nomenclature system a Robert Hooke b Carl Linnaeus c Louis Pasteur d Charles Darwin Chapter 2 Biological Classification 1 What is the fivekingdom classification system based on a Cellular structure b Mode of nutrition c Mode of reproduction d All of the above 2 Which kingdom includes organisms that are multicellular eukaryotic and heterotrophic a Monera b Protista c Fungi d Animalia 3 Which of the following is a characteristic of viruses a They are living organisms b They can reproduce independently c They are made up of DNA or RNA d They have a cell wall 4 Which kingdom includes organisms that are unicellular eukaryotic and photosynthetic a Monera 3 b Protista c Plantae d Animalia 5 What is the scientific name of the common housefly a Musca domestica b Anopheles gambiae c Aedes aegypti d Culex quinquefasciatus Chapter 3 Plant Kingdom 1 Which of the following is a characteristic of bryophytes a They have vascular tissue b They are seedbearing plants c They are nonvascular plants d They are flowering plants 2 Which of the following is an example of a pteridophyte a Moss b Fern c Gymnosperm d Angiosperm 3 What is the dominant phase in the life cycle of gymnosperms a Gametophyte b Sporophyte c Both a and b d None of the above 4 Which of the following is a characteristic of angiosperms a They have naked seeds b They are nonflowering plants c They have flowers and fruits d They have vascular tissue 5 What is the name of the male reproductive part of a flower a Ovary b Stamen c Pistil 4 d Sepal Chapter 4 Animal Kingdom 1 Which of the following is a characteristic of phylum Porifera a They have a true coelom b They are radially symmetrical c They are filter feeders d They have a welldeveloped nervous system 2 Which phylum includes organisms that are bilaterally symmetrical triploblastic and have a true coelom a Annelida b Arthropoda c Mollusca d Chordata 3 Which of the following is a characteristic of phylum Chordata a They have a notochord b They have a dorsal hollow nerve cord c They have pharyngeal slits d All of the above 4 Which class of vertebrates includes amphibians a Reptilia b Aves c Mammalia d Amphibia 5 Which of the following is an example of a mammal a Snake b Fish c Dog d Frog Chapter 5 Morphology of Flowering Plants 1 What is the name of the outermost layer of a root a Epidermis b Cortex c Endodermis 5 d Vascular bundle 2 What is the function of the root hairs a To absorb water and minerals b To provide support c To store food d To conduct photosynthesis 3 What is the name of the modified stem that grows horizontally underground a Bulb b Rhizome c Tuber d Corm 4 What is the function of the stomata a To transport water and minerals b To provide support c To regulate gas exchange d To store food 5 What is the name of the protective covering of the flower bud a Sepal b Petal c Stamen d Pistil Chapter 6 Anatomy of Flowering Plants 1 What is the name of the tissue that conducts water and minerals in plants a Xylem b Phloem c Parenchyma d Collenchyma 2 What is the function of the phloem a To transport water and minerals b To transport food c To provide support d To store food 3 What is the name of the cells that form the vascular bundles in plants 6 a Sclerenchyma b Parenchyma c Collenchyma d Xylem and phloem 4 What is the name of the central cavity in a vascular bundle a Pith b Cortex c Endodermis d Pericycle 5 What is the name of the tissue that surrounds the vascular bundles in a stem a Epidermis b Cortex c Endodermis d Pericycle Chapter 7 Structural Organisation in Animals 1 What is the name of the simplest level of organization in animals a Cellular b Tissue c Organ d Organ system 2 Which of the following is a type of epithelial tissue a Connective tissue b Muscle tissue c Nervous tissue d Squamous epithelium 3 What is the function of the connective tissue a To provide support and bind tissues together b To contract and produce movement c To transmit impulses d To cover and protect surfaces 4 Which of the following is a type of muscle tissue a Skeletal muscle b Smooth muscle 7 c Cardiac muscle d All of the above 5 What is the function of the nervous tissue a To provide support and bind tissues together b To contract and produce movement c To transmit impulses d To cover and protect surfaces Chapter 8 Cell The Unit of Life 1 What is the name of the outermost layer of a cell a Cell wall b Plasma membrane c Cytoplasm d Nucleus 2 What is the function of the plasma membrane a To control the movement of substances in and out of the cell b To provide support and shape to the cell c To store genetic information d To synthesize proteins 3 What is the name of the fluid that fills the space between the plasma membrane and the nucleus a Cytoplasm b Nucleoplasm c Endoplasmic reticulum d Golgi apparatus 4 What is the function of the ribosomes a To synthesize proteins b To store genetic information c To modify and package proteins d To provide energy to the cell 5 What is the name of the organelle that is responsible for cellular respiration a Mitochondria b Chloroplast c Lysosome 8 d Golgi apparatus Chapter 9 Biomolecules 1 Which of the following is a monomer of carbohydrates a Amino acid b Fatty acid c Monosaccharide d Nucleotide 2 What is the name of the bond that links amino acids together a Glycosidic bond b Peptide bond c Phosphodiester bond d Hydrogen bond 3 Which of the following is a function of lipids a To provide energy b To form cell membranes c To act as hormones d All of the above 4 What is the name of the molecule that carries genetic information a Carbohydrate b Lipid c Protein d Nucleic acid 5 Which of the following is a type of nucleic acid a DNA b RNA c Both a and b d None of the above Chapter 10 Cell Cycle and Cell Division 1 What is the name of the phase in the cell cycle when the cell grows and replicates its organelles a M phase b G1 phase c S phase 9 d G2 phase 2 What is the name of the process by which a cell divides into two identical daughter cells a Mitosis b Meiosis c Binary fission d Budding 3 How many chromosomes are present in a human somatic cell a 23 b 46 c 92 d 184 4 What is the name of the phase in meiosis when homologous chromosomes pair up a Prophase I b Metaphase I c Anaphase I d Telophase I 5 How many daughter cells are produced at the end of meiosis a 2 b 4 c 8 d 16 Chapter 11 Transport in Plants 1 What is the name of the process by which water moves up the xylem a Diffusion b Osmosis c Transpiration pull d Root pressure 2 What is the name of the process by which food moves through the phloem a Translocation b Diffusion c Osmosis d Transpiration 3 What is the name of the pressure that helps move water up the xylem 10 a Turgor pressure b Root pressure c Transpiration pull d All of the above 4 What is the name of the opening in leaves that allows gas exchange a Stomata b Lenticels c Hydathodes d None of the above 5 What is the name of the process by which water evaporates from the leaves a Transpiration b Guttation c Photosynthesis d Respiration Chapter 12 Mineral Nutrition 1 What is the name of the process by which plants absorb nutrients from the soil a Photosynthesis b Respiration c Mineral uptake d Transpiration 2 Which of the following is a macronutrient required by plants a Iron b Manganese c Nitrogen d Zinc 3 What is the function of nitrogen in plants a To form chlorophyll b To form cell walls c To activate enzymes d To provide energy 4 What is the name of the deficiency disease caused by a lack of phosphorus in plants a Chlorosis b Stunted growth 11 c Purple leaf d Necrosis 5 Which of the following is a method of improving soil fertility a Crop rotation b Green manure c Biofertilizers d All of the above Chapter 13 Photosynthesis in Higher Plants 1 What is the name of the process by which plants convert light energy into chemical energy a Photosynthesis b Respiration c Transpiration d Mineral uptake 2 What is the name of the green pigment in plants that absorbs light energy a Chlorophyll b Carotene c Xanthophyll d Anthocyanin 3 What are the products of photosynthesis a Glucose and oxygen b Carbon dioxide and water c Glucose and carbon dioxide d Oxygen and water 4 What is the name of the lightdependent reactions of photosynthesis a Calvin cycle b Electron transport chain c Carbon fixation d None of the above 5 What is the name of the enzyme that catalyzes carbon fixation in the Calvin cycle a Rubisco b ATP synthase c NADPH reductase 12 d None of the above Chapter 14 Respiration in Plants 1 What is the name of the process by which cells break down glucose to release energy a Photosynthesis b Respiration c Transpiration d Mineral uptake 2 What are the products of respiration a Carbon dioxide and water b Glucose and oxygen c Carbon dioxide and oxygen d Glucose and water 3 What is the name of the process by which glucose is broken down into pyruvate a Glycolysis b Krebs cycle c Electron transport chain d None of the above 4 What is the name of the molecule that carries electrons in the electron transport chain a ATP b NADH c FADH2 d All of the above 5 What is the name of the molecule that stores energy in cells a ATP b Glucose c Pyruvate d None of the above Chapter 15 Plant Growth and Development 1 What is the name of the process by which plants increase in size a Growth b Development c Differentiation d All of the above 13 2 What is the name of the hormone that promotes cell elongation in plants a Auxin b Gibberellin c Cytokinin d Abscisic acid 3 What is the function of gibberellins in plants a To promote cell elongation b To promote seed germination c To promote flowering d All of the above 4 What is the name of the hormone that promotes cell division in plants a Auxin b Gibberellin c Cytokinin d Abscisic acid 5 What is the name of the hormone that promotes dormancy in plants a Auxin b Gibberellin c Cytokinin d Abscisic acid Chapter 16 Digestion and Absorption 1 What is the name of the process by which food is broken down into smaller molecules a Digestion b Absorption c Assimilation d Elimination 2 Which of the following is a type of digestive enzyme a Amylase b Pepsin c Lipase d All of the above 3 What is the function of the small intestine a To store food 14 b To break down food into smaller molecules c To absorb nutrients d To eliminate waste 4 What is the name of the process by which nutrients pass from the small intestine into the bloodstream a Digestion b Absorption c Assimilation d Elimination 5 What is the function of the large intestine a To store food b To break down food into smaller molecules c To absorb nutrients d To absorb water and eliminate waste Chapter 17 Breathing and Exchange of Gases 1 What is the name of the process by which organisms take in oxygen and release carbon dioxide a Breathing b Respiration c Circulation d Excretion 2 What is the name of the tiny air sacs in the lungs where gas exchange occurs a Bronchi b Bronchioles c Alveoli d None of the above 3 What is the name of the muscle that helps us breathe a Diaphragm b Heart c Stomach d None of the above 4 What is the name of the pigment in red blood cells that carries oxygen a Hemoglobin 15 b Myoglobin c Chlorophyll d None of the above 5 What is the name of the process by which carbon dioxide is transported in the blood a Dissolved in plasma b Bound to hemoglobin c As bicarbonate ions d All of the above Chapter 18 Body Fluids and Circulation 1 What is the name of the fluid that circulates in the blood vessels a Blood b Lymph c Tissue fluid d None of the above 2 Which of the following is a component of blood a Red blood cells b White blood cells c Platelets d All of the above 3 What is the function of the red blood cells a To carry oxygen b To fight infection c To clot blood d None of the above 4 What is the function of the white blood cells a To carry oxygen b To fight infection c To clot blood d None of the above 5 What is the function of the platelets a To carry oxygen b To fight infection c To clot blood 16 d None of the above Chapter 19 Excretory Products and Their Elimination 1 What is the name of the process by which organisms remove waste products from their bodies a Excretion b Secretion c Digestion d Absorption 2 Which of the following is a major excretory product in humans a Urea b Uric acid c Ammonia d All of the above 3 What is the name of the functional unit of the kidney a Nephron b Glomerulus c Bowmans capsule d None of the above 4 What is the name of the process by which waste products are filtered from the blood in the kidney a Ultrafiltration b Reabsorption c Secretion d None of the above 5 What is the name of the hormone that regulates water reabsorption in the kidney a ADH b Insulin c Glucagon d None of the above Chapter 20 Locomotion and Movement 1 What is the name of the type of muscle tissue that is responsible for voluntary movement a Skeletal muscle b Smooth muscle 17 c Cardiac muscle d None of the above 2 What is the name of the structural unit of a muscle fiber a Sarcomere b Myofibril c Actin d Myosin 3 What is the name of the protein that forms thin filaments in muscle fibers a Actin b Myosin c Troponin d Tropomyosin 4 What is the name of the protein that forms thick filaments in muscle fibers a Actin b Myosin c Troponin d Tropomyosin 5 What is the name of the process by which muscle fibers contract a Sliding filament theory b Crossbridge cycle c Muscle fatigue d None of the above Chapter 21 Neural Control and Coordination 1 What is the name of the basic unit of the nervous system a Neuron b Glial cell c Synapse d None of the above 2 What is the name of the long slender projection of a neuron that carries impulses away from the cell body a Axon b Dendrite c Synapse 18 d None of the above 3 What is the name of the junction between two neurons a Synapse b Axon c Dendrite d None of the above 4 What is the name of the neurotransmitter that is released at the neuromuscular junction a Acetylcholine b Norepinephrine c Dopamine d Serotonin 5 What is the name of the part of the brain that is responsible for higher mental functions a Cerebrum b Cerebellum c Brainstem d None of the above Chapter 22 Chemical Coordination and Integration 1 What is the name of the system that uses hormones to regulate body functions a Nervous system b Endocrine system c Immune system d None of the above 2 Which of the following is a hormone produced by the pituitary gland a Growth hormone b Thyroid stimulating hormone c Adrenocorticotropic hormone d All of the above 3 What is the function of the thyroid gland a To regulate metabolism b To regulate blood calcium levels c To regulate blood sugar levels d None of the above 4 What is the name of the hormone that is responsible for the fightorflight response 19 a Adrenaline b Insulin c Glucagon d None of the above 5 What is the name of the hormone that regulates blood sugar levels a Insulin b Glucagon c Both a and b d None of the above Conclusion There you have it This comprehensive collection of chapterwise MCQs for Biology Class 11 is your ultimate guide to mastering the subject By diligently practicing these questions youll gain a deeper understanding of the concepts sharpen your critical thinking skills and achieve exam success Remember consistent practice and a genuine passion for the wonders of the living world are your keys to unlocking the secrets of Biology FAQs 1 Where can I find the answers to these MCQs The answers are provided within the text of the article right after each question 2 Is this resource enough to prepare for my exams These MCQs provide a strong foundation but its essential to supplement them with textbook study class notes and additional practice material 3 Are there any other helpful resources for Biology Class 11 Yes There are many excellent online resources textbooks and study guides available Be sure to explore different options and find what works best for you 4 What are some tips for answering MCQs effectively Read each question carefully eliminate incorrect options and choose the best answer based on your understanding 5 How can I make my learning more engaging Explore interactive online resources watch educational videos and consider joining study groups to enhance your learning experience 20