Trivial Practice Quiz science-technology - Test 91 | Englishfreetest.com

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  • Test content
    Question 1: Which of these are heterodonts?
    A. Snails
    B. Humans
    C. Turtles
    D. Sharks
    Question 2: Which mammal has the most teeth?
    A. The spinner dolphin
    B. The tiger seal
    C. The dingo
    D. The giant armadillo
    Question 3: Select the incorrect statement.
    A. Over 80 % of an elephants tusk is visible-the rest lies inside the gums.
    B. Aside from the elephant, the walrus has the largest tusks.
    C. The tusks of a male elephant grow about 18 cm a year.
    D. Biologists have found that the tooths weight and its need for muscular development has greatly influenced the development of the mammalian skull.
    Question 4: Every mammal has teeth.
    A. False
    B. True
    Question 5: The narwhale has two teeth in its upper jaw, one of which develops into a horn-like protrusion (this is true).
    A. True
    B. False
    C. True
    Question 6: The most common fossil is the tooth.
    A. True
    B. False
    Question 7: Consider all animals that ever lived. Which animal had the longest teeth?
    A. The Malaysian elephant.
    B. The straight-tusked elephant
    C. The mammoth
    D. The Asian elephant
    Question 8: What is the weight of the smallest known bird egg on the planet?
    A. 2,5 grams
    B. 5 grams
    C. 0,5 grams
    D. 1 gram
    Question 9: Eggs have a very high nutrition value. Which of the following substances is not present within an egg?
    A. Chlorophyll
    B. Phosphorus
    C. Vitamin D
    D. Choline
    Question 10: Which of the following is the Latin word for egg?
    A. Ovum
    B. Avis
    C. Cancer
    D. Rana
    Question 11: The egg of this animal contains the largest existing single cell.
    A. Ostrich
    B. Komodo dragon
    C. Platypus
    D. Emu
    Question 12: Which of the following is not true about the bird eggshell?
    A. The normal bird eggshell is porous.
    B. The eggshell does not contain protein.
    C. The eggshell consists of roughly 95% calcium carbonate crystals.
    D. The bird eggshell is covered by a structure called cuticle.
    Question 13: How many hours approximately does an eggshell formation take in an average laying hen?
    A. About 48 hours
    B. About 5 hours
    C. About 20 hours
    D. Less than 2 hours
    Question 14: How long does it take for a platypus egg to develop completely and hatch?
    A. 28 days of internal formation and 10 days of external incubation
    B. 15 days of internal formation and 35 days of external incubation
    C. 24 hours of internal formation and 15 days of incubation
    D. The eggs develop within 7 days in the mothers uterus and the babies are hatched almost immediately after laying
    Question 15: Which of these expression does not refer to a yolkless egg?
    A. Vain egg
    B. Wind egg
    C. Dwarf egg
    D. Cock egg