Class/Course - Class XI

Subject - Biology

Total Number of Question/s - 6057


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  • 1. The Living World - Quiz

    1. Sardar Sarover Dum is built on the river:
    a) Jhelum
    b) Narmada
    c) Tapti
    d) Vyas

    2. Who published the book Species plantarum and provided a basis for classification of plants
    a) Charles Darwin
    b) Robert Hook
    c) Carolus Linnaeus
    d) Anton Leeiwenhoek

  • 2. Biological Classification - Quiz

    1. Trichonderma is an example of which of the follwing?
    a) phycomcycetes
    b) zymoycetes
    c) deuteromycetes
    d) basidiomycetes

    2. Bacteria are considered plant, because:
    a) are green in colour
    b) have rigid cell wall
    c) hace chlorophyll
    d) have stomata

  • 3. Plant Kingdom - Quiz

    1. In moss capsule, dispersal of spores takes place through
    a) Peristome teeth
    b) Annulus
    c) Calyptra
    d) Operculum

    2. In Spirgyra sometimes the gametes behave directly as zygospores without fusion. such reproductive bodies are calld
    a) Azygospores
    b) Hypnospores
    c) Zygospores
    d) Aplanospores

  • 4. Animal Kingdom - Quiz

    1. Among the following which one is not a deuterostome?
    a) Sea urchin
    b) Earthworm
    c) Sand dollar
    d) Ichthyophis

    2. Which of the following is a pseudocoelomate?
    a) Roundworm
    b) Flatworm
    c) Tapeworm
    d) Hydatid worm

  • 5. Morphology of Flowering Plants - Quiz

    1. Obliquely placed ovary and swollen placenta is associated with which of the following families?
    a) Asteraceae
    b) Solanaceae
    c) Brassicaceae
    d) Malvaceae

    2. Dry indehiscent single-seedes fruit formed from bicarpellary syncarpous inferior ovary is
    a) Berry
    b) Cremocarp
    c) Caryopsis
    d) Cypsela

  • 6. Anatomy of Flowering Plants - Quiz

    1. The waxy substance associated with cell walls of cork cells is or cork cells are impervious to water because of the presence or what is deposited on cork cells
    a) Cutin
    b) Suberin
    c) Lignin
    d) Hemicellulose

    2. A common structural feature of vessel elements and seive tube elements is
    a) Presence of p-protein
    b) Enucleate condition
    c) Thick secondary walls
    d) Pores on lateral walls

  • 7. Structural Organisation in Animals - Quiz

    1. Epimysium, perimysium and endomysium are found in:
    a) nerve
    b) blood vessel
    c) stratified muscles
    d) uterus

    2. Spermathecae in pheretima are located in the segments:
    a) 14 to 18
    b) 10 to 13
    c) 6 to 10
    d) 6 to 9

  • 8. Cell : The Unit of Life - Quiz

    1. Powerhouse of the cell is:
    a) golgi bodies
    b) mitochondria
    c) ribosomes
    d) endoplasmic reticulum

    2. Cell wall of bacterium is formed of:
    a) cellulose
    b) hemicellulose
    c) peptidoglycan
    d) glycogen

  • 9. Biomolecules - Quiz

    1. Duplication of DNA is called replication.
    a) True
    b) False

    2. When the enzymes with slightly different molecular structure can also perform the identical activities, they are called as _____
    a) neoenzymes
    b) isoenzymes
    c) coenzymes
    d) none of these

  • 10. Cell Cycle and Cell Division - Quiz

    1. Chromosomes replicate in which stage of meiosis?
    a) Prophase-I
    b) prophase-II
    c) telophase
    d) interphase

    2. Variations appear during meiosis due to:
    a) 1,2 and 3 are correct
    b) 1 and 2 are correct
    c) 2 and 4 are correct
    d) 1 and 3 are correct

  • 11. Transport in Plants - Quiz

    1. Attractive forces of cell walls for water molecules is termed as
    a) Adhesion
    b) Cohesion
    c) Osmosis
    d) Plasmolysis

    2. Selective permeability identifies the process of transmission through semipermeable membrane is called ,
    or
    The movement of water from higher water potential to lower water potential through a semi-perneable membrane is called
    a) Diffusion
    b) Osmosis
    c) Plasmolysis
    d) Imbibition

  • 12. Mineral Nutrition - Quiz

    1. Which of the following element is very essential for uptake and utilization of Ca2+ and membrance function
    a) Phosphorus
    b) Molybdenum
    c) Manganese
    d) Copper
    e) Boron

    2. Which of the following is essential mineral element and is not a constituent of any enzyme but stimulate the activity of many enzymes
    a) Zn
    b) Mg
    c) Mn
    d) K

  • 13. Photosynthesis in Higher Plants - Quiz

    1. Which pigment of the plant takes part in light reaction of photosynthesis
    a) Xanthophyll
    b) Chl-a
    c) Carotene
    d) Phycoxanthin

    2. The first event in photosythesis is
    a) Synthesis of ATP
    b) Photoexcitation of chlorophyll and ejection of electron
    c) Photolysis of water
    d) Release of oxygen

  • 14. Respiration in Plants - Quiz

    1. How many ATP molecules are obtained from fermentation of 1 molecule of glucose
    a) 2
    b) 4
    c) 3
    d) 5

    2. Which of the following plant is widely accepted to respire in absence of oxygen
    a) Yeast
    b) Potato
    c) Chlorella
    d) Grass

  • 15. Plant Growth and Development - Quiz

    1. The instrument by which the rate of growth of stem is accurately measured is
    Or
    Growth in length of a plant can be measured by
    a) Hydrometer
    b) Auxanometer
    c) Osmometer
    d) Potometer

    2. IAA and serotonin are derived (formed) from which of the following
    a) Tryptophan
    b) Tyrosine
    c) Phenyalanine
    d) None of these

  • 16. Digestion and Absorption - Quiz

    1. The sphincter of Oddi found in man, guards the
    a) Pancreatic duct
    b) Hepatopanreatic duct
    c) Bile duct
    d) Cystic duct
    e) Duodenum

    2. "Chief cells" or "Zymogen cells" secrete the enzymes of the gastric juice, are found in the
    a) Isthmus of the gland
    b) Neck of the tubular gland
    c) Base of the tubular region
    d) All the above

  • 17. Breathing and Exchange of Gases - Quiz

    1. What is vital capacity of our lungs
    a) Inspiratory reserve volume plus expiratory reserve volume
    b) Total lung capacity minus residual volume
    c) Inspiratory reserve volume plus tidal volume
    d) Total lung capacity minus expiratory reserve volume

    2. Chloride shift is essential for the transport of
    a) CO2 and O2
    b) N2
    c) CO2
    d) O2

  • 18. Body Fluids and Circulation - Quiz

    1. Blocking of arteries of fats and calcium is called
    a) Arterosclerosis
    b) Atherosclerosis
    c) Emphysema
    d) Heart syndrome

    2. Which one of the following is a matching pair
    a) Lubb - sharp closure of AV valves at the beginning of ventricular systole
    b) Dup-sudden opening of semilunar valves at the beginning of ventricular diastole
    c) Pulsation of the radial artery-valves in the blood vessels
    d) Initiation of the heart beat Purkinje fibres

  • 19. Excretory Products and their Elimination - Quiz

    1. Kidney crystals are solid clusters of
    a) Calcium nitrate and uric acid
    b) Phosphate and uric acid
    c) Calcium carbonate and uric acid
    d) Calcium metabisulphite and uric acid

    2. The liquid which is collected in the cavity of Bowmans capsule is
    a) Concentrated urine
    b) Blood plasma minus blood proteins
    c) Gluycogen and water
    d) Sulphates and water

  • 20. Locomotion and Movement - Quiz

    1. Total number of bones in the hind limb of a man is
    a) 14
    b) 21
    c) 24
    d) 30

    2. The pectoral and pelvic girdles and the bones of limb form
    a) Axial skeleton
    b) Appendicular skeleton
    c) Visceral skeleton
    d) Outer skeleton

  • 21. Neural Control and Coordination - Quiz

    1. Which one of the following is essential for the formation of myselin shealth
    a) Zinc
    b) Sodium
    c) Iron
    d) Phosphorous

    2. The enzyme required for the conduction of nerve impulses across synapse is
    a) Peroxidase
    b) Choline acetylase
    c) Ascorbic acid oxidase
    d) Succinic dehydrogenase

  • 22. Chemical Coordination and Integration - Quiz

    1. A substance called ADH is
    a) A hormone that promotes glycogenesis in liver cells
    b) An enzyme secreted by cell of intestinal wall; hydrolyses dipeptides into amino acids
    c) A pituitary secretion which promotes reabsorption of water from glomerular filtrate
    d) A high energy compound involved in muscle contraction

    2. Which hormone has the anti-insulin effect
    a) Calcitonin
    b) Cortisol
    c) Oxytocin
    d) Aldosterone

  • 23. Monera (Prokaryotes) - Quiz

    1. Cyanobacteria are
    a) Mosses which attack bacteria
    b) Bacteria which attak cyanophyceae
    c) Autotrophic organism with phycocyanin
    d) None of these

    2. The name cyanobacteria refers to
    a) Bacteria
    b) Blue-green algae
    c) Yeast
    d) Fungi

  • 24. Protista (Unicellullar Eukaryotes) - Quiz

    1. Malaria fever coincides with liberation of
    a) Cryptomerozoites
    b) Metacruptomerozoites
    c) Merozoites
    d) Trophozoites

    2. Diatom frustule/shell is made of
    a) Silica
    b) Lime
    c) Magnesium carbonate
    d) Calcium

  • 25. Viruses - Quiz

    1. Viruses that infect bacteria , multiply and cause their lysis , are called
    a) Lytic
    b) Lysogenic
    c) Lysozymes
    d) Lipolytic

    2. The protein coat of virus is called
    a) Capsid
    b) Cosmid
    c) Capsomere
    d) Chromophore

  • 26. Animal Tissues - Quiz

    1. The process of blood clot formation within the circulatory system is
    a) Thrombosis
    b) Thromobocytes
    c) Thrombin
    d) Thrombcytopenia

    2. Cartilage is formed by
    a) Osteoblast
    b) Fibroblast
    c) Chondrocyte
    d) Submucosa

  • 27. Morphology in Animals - Quiz

    1. Croaking of frog is
    a) Hunger call
    b) Danger call
    c) Musical tone
    d) Sex call for female

    2. Which one of the following is not a characteristic feature of frog
    a) The skin is moist and slimy
    b) Each of the fore limbs and hind limbs and in five digits
    c) Hepatic poral and renal portal system are present
    d) Skin, buccal cavity and lungs are the respiratory organs
    e) Heart is three-chambered

  • 28. Fungi (Multicellular Decomposers) - Quiz

    1. Which of the following symbitoic association is not useful as biofertilizer
    a) Rhizobium and leguminous roots
    b) Algae and fungi
    c) Azolla and Anabaena
    d) Roots of highre plants and fungi

    2. Reserve food material of fungi is
    a) Starch
    b) Protein
    c) Glucose
    d) Glycogen