Quiz  /  General Science Biology MCQ Quiz Questions and Answers

  • 1. 
    Which among the following plays a role in production of alcohol in beer?

  • Bacteria
  • Protozoan
  • virus
  • Yeast

  • 2. 
    Robert Hooke is known for which of the following works?

  • how messages pass between nerve cells in mammals
  • first use of the word cell
  • theory of punctuated equilibrium
  • aquatic ape theory

  • 3. 
    In which of the following hemocaelic body cavity is found?

  • Cockroach
  • Lizard
  • Mosquito
  • Honeybee

  • 4. 
    Which of the following give maximum energy after breaking down?

  • Fat
  • Sugar
  • Carbohydrate
  • Protein

  • 5. 
    Viruses are usually divided into several large groups based mainly on?

  • nature of the host
  • nucleic acid characteristics
  • capsid symmetry
  • diameter of the viroin or nucleocapsid

  • 6. 
    Which of the following viruses is not linked to human cancer?

  • Hepatitis C virus
  • Hepatitis B virus
  • Varicella-Zoster virus
  • Herpes simplex virus type 2

  • 7. 
    Which plant has spores and embryos but does not have vascular tissue and seeds?

  • Rhodophyta
  • Bryophyta
  • Pteridophyta
  • Phaeophyta

  • 8. 
    Bacteria used in making of chocolate__?

  • Lactobacillus bucheri
  • Lactobacillus cacaonum
  • monosodium glutamate
  • Lactobacillus casei

  • 9. 
    The protein from which the hooks and filaments of the flagella are made is called?

  • keratin
  • flagellin
  • gelatin
  • casein

  • 10. 
    The branch of zoology concerned with the study of reptiles s called__.

  • Herpetology
  • Entomology
  • Ornithology
  • Ichthyology

  • 11. 
    The scientific name of peacock is

  • Pavo cristatus
  • Gallus gallus
  • Columbia livia
  • None of these

  • 12. 
    Wool is the fiber derived from the fur of animals of the ___ family.

  • Caprinae
  • Moschidae
  • Suidae
  • Antilocapridae

  • 13. 
    What is the function of the optic nerve?

  • relays signals between the brain and the eyes
  • relays signals between the brain and the ears
  • relays signals between the brain and the skin
  • relays signals between the brain and the tongue

  • 14. 
    Which of the following is included in the axial skeleton?

  • Skull
  • Vertebral Column
  • Ribs and Sternum
  • All of the above

  • 15. 
    Which of the following does not correct about diabetes?

  • Diabetes insipidus is due to secretion of low levels of ADH.
  • Diabetes mellitus is due to hyper-production of insulin.
  • Without insulin, glucose remains in the bloodstream.
  • All of the above

  • 16. 
    Name the hardest material present in the body?

  • Dentin
  • Pulp
  • Enamel
  • None of the above

  • 17. 
    Which of the following is a male external genitalia?

  • Penis
  • Testes
  • Both 1 and 2
  • Neither 1 nor 2

  • 18. 
    Which of the following does not affect health?

  • Genetic disorders
  • Infections
  • LifeStyle
  • Health Insurance

  • 19. 
    Which of the following tissues are responsible for the secondary growth of plants?

  • Cortex
  • Xylem
  • Cambium
  • Phloem

  • 20. 
    The narrowest and most numerous tubes of lungs are termed as ____:

  • Bronchus
  • Hilum
  • Bronchioles
  • Alveoli

  • 21. 
    A seed can germinate in the absence of ____:

  • Suitable moisture
  • Suitable temperature
  • Adequate light
  • Supply of oxygen

  • 22. 
    Hepatitis is a ____:

  • Lung disease
  • Liver disease
  • Kidney disease
  • Heart disease

  • 23. 
    Cell becomes turgid because of ___:

  • Diffusion
  • Exosmosis
  • Plasmolysis
  • Endosmosis

  • 24. 
    The enzyme which catalyzes the unwinding of DNA helix during replication is ____:

  • Primase
  • Topoisomerase
  • Helicase
  • DNA polymerase

  • 25. 
    Which of the following statements about phloem transport is correct?

  • Phloem transport occurs unidirectionally
  • Gravity influences phloem transport
  • Ca+ is the most abundantcation in phloem sap
  • Sugar is transported in phloem as non-reducing sugar

  • 26. 
    Which of the following contains highest amount of Vitamin C?

  • Lemon
  • Tomato
  • Grape
  • Capsicum

  • 27. 
    The movement of water molecules through the plasma membrane is called ___:

  • Osmosis
  • Transpiration
  • Precipitation
  • Sedimentation

  • 28. 
    Christmas factor is involved in ____:

  • Blood Coagulation
  • Digestion
  • Excretion
  • Respiration

  • 29. 
    In which order are lizards and snakes divided into reptiles?

  • Order Testudines
  • Order Crocodilia
  • Order Squamata
  • Order Sphenodontia

  • 30. 
    External ears are characteristics of:

  • Birds
  • Mammals
  • Birds and mammals
  • Mammals and reptiles

  • 31. 
    Food produced by bacterial fermentation of milk?

  • Yogurt
  • Butter
  • Ghee
  • Cheese

  • 32. 
    Which of the following are included in the organs of the human excretory system?

  • Only 1 and 2
  • Only 2 and 3
  • Only 1, 2 and 3
  • 1, 2, 3 and 4

  • 33. 
    What is the role of ADH in kidney function?

  • It controls the amount of water absorption by the nephrons.
  • It helps in excretion of toxic nitrogenous compounds.
  • It regulates the amount of glucose processed and excreted by the kidneys.
  • None of these

  • 34. 
    The greater omentum connects the stomach to which structures?

  • Spleen, transverse colon
  • Spleen, ascending colon
  • Spleen, descending colon
  • Spleen, small bowel

  • 35. 
    What is fertilization?

  • Release of egg from the ovary
  • Release of sperm from testis
  • Mixing of semen with vaginal fluid
  • Fusion of sperm with egg nuclei

  • 36. 
    What pituitary hormones peak during the proliferative phase?

  • LH only
  • FSH only
  • Neither 1 nor 2
  • Both 1 and 2

  • 37. 
    Which of the following organs is majorly affected by hepatitis?

  • liver
  • heart
  • kidney
  • brain

  • 38. 
    Which of the following is an example of chromosomal disorders?

  • Down’s syndrome
  • Albinism
  • Haemophilia
  • Sickle cell anaemia

  • 39. 
    Bio-magnification implies ____:

  • Food is magnified
  • Living beings are magnified
  • Light is magnified
  • Toxic matters are magnified

  • 40. 
    Which among the following does not have a cell wall?

  • Euglena
  • Mycoplasma
  • Paramecium
  • Gonyaulax

  • 41. 
    Night blindness is caused due to ____:

  • Excess secretion of pineal gland
  • Less drinking of water
  • Vitamin A deficiency
  • Inheritance by X-chromosome

  • 42. 
    Fat soluble vitamins are ____:

  • Tocopherol, Niacin, Cyanocobalamin
  • Calciferol, Carotene, Tocopherol
  • Ascorbic acid, Calciferol, Riboflavin
  • Thiamine, Carotene, Biotin

  • 43. 
    What is the nature of cell membrane?

  • Permeable
  • Semi-permeable
  • Non-permeable
  • Freely permeable

  • 44. 
    Table sugar is which type of sugar?

  • Fructose
  • Galactose
  • Sucrose
  • Glucose

  • 45. 
    The main use of salt in the diet is to ____:

  • Produce in small amounts the hydrochloric acid required for the digestion of food
  • Increase the solubility of the food particles in water
  • Ease the process of cooking
  • Make the taste of the food better

  • 46. 
    Yeast is an important source of _____:

  • Invertase
  • Vitamin B
  • Vitamin C
  • Protein

  • 47. 
    The maximum fixation of solar energy is done by _____:

  • Bacteria
  • Protozoa
  • Fungi
  • Green plants
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