Trivial Practice Quiz science-technology - Test 115 | Englishfreetest.com

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  • Test content
    Question 1: What is the main function of the iris of the eye?
    A. It protects the sclera from injuries.
    B. It protects the lens from injuries.
    C. It controls the amount of light that reaches the retina.
    D. All of these
    Question 2: Where exactly is the retina of the eye positioned?
    A. Retina is a synonym of pupil.
    B. Along the optic nerve.
    C. Right behind the pupil
    D. Its lining the inner surface of the eye.
    Question 3: What part of the eye is usually referred to as the white of the eye?
    A. Conjunctiva
    B. Sclera
    C. All of these
    D. Stroma
    Question 4: The cornea of the eye is the transparent front part that covers the iris, pupil, and anterior chamber. Which of these statements is true about the cornea?
    A. The cornea does not have blood vessels.
    B. All of these
    C. Touch of the cornea provokes an involuntary reflex to close the eyelid.
    D. It refract most of the light that enters the eye.
    Question 5: Why is the pupil of the eye black ?
    A. All of these
    B. It contains black pigments.
    C. The tissue right behind the pupil is black.
    D. Most of the light that enters the pupil is absorbed by the tissues inside the eye.
    Question 6: Conjunctivitis, referred to as pink eye, is an inflammation of the conjunctiva of the eye. What may be the cause of such inflammation?
    A. Viral infection
    B. Bacterial infection
    C. Allergic reaction
    D. All of these
    Question 7: Which of the following statements is true about the eyelids?
    A. They protect the eye from drying out and from foreign objects.
    B. The skin of the eyelids contains more pigment cells compared to the rest of the skin on the body.
    C. The skin of the eyelids is one of the thinnest skin of the whole human body.
    D. All of these
    Question 8: At what stage of the development of the fetus do eyelashes form?
    A. Between the 7th and 8th week
    B. Around the 26th week
    C. Between the 13th and 14th week
    D. Around the 20th week
    Question 9: Which of these is a medical term that refers to crying?
    A. Humoring
    B. Lactation
    C. Lacrimation
    D. Blepharitis
    Question 10: The average size of a normal human eye is commonly compared to the size of this object.
    A. Apricot
    B. Walnut
    C. Golf ball
    D. Cherry tomato
    Question 11: Which of these is not a type of conic section?
    A. Ray
    B. Hyperbola
    C. Circle
    D. Parabola
    Question 12: In mathematics, what type of conic section would this equation show: x^2+y^2=9?
    A. Secant
    B. Line
    C. Ray
    D. Circle
    Question 13: What type of conic section would this mathematical equation produce: (x^2)/4+(y^2)/9=81?
    A. Line
    B. Circle
    C. Ellipse
    D. Ray
    Question 14: What type of conic section would this equation yield: (x^2)/9-(y^2)/4=81?
    A. Hyperbola
    B. Ray
    C. Line
    D. Parabola
    Question 15: What type of conic section wouyld this yield: y=3x^2-9
    A. Line
    B. Parabola
    C. Ray
    D. Cylinder