Self Studies
Self Studies
Self Studies
Self Studies
Selfstudy
Selfstudy

Diversity in Living Organisms Test - 59

Result Self Studies

Diversity in Living Organisms Test - 59
  • Score

    -

    out of -
  • Rank

    -

    out of -
TIME Taken - -
Self Studies

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Self Studies Self Studies
Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following organism, has post-anal tail as well as heterodont teeth?
    Solution
    Postanal tails are present in all vertebrates. Heterodont teeth (teeth differentiated into incisors, canines, molars, premolars) are only present in mammals.
    Scorpion being a non-chordate lacks both.
    Cobra and Krait are chordates but are reptiles hence lack heterodont teeth.
    Elephants classify both the conditions of being mammals as well as chordates.
    So the correct answer is 'Elephant.'
  • Question 2
    1 / -0
    In Horse, the single large hoof represents
    Solution
    The hoof is made of the 'Third digit' which is extended and bears all the weight. Horses had three or four toes before they evolved into having a single big digit. The evolution helped them attain greater speeds while running.
    So the correct answer is 'Third digit'. 
  • Question 3
    1 / -0
    In terms of number of genera and species, which ones have the maximum number ?
    Solution
    Terrestrial Mammals are maximum in number as the aquatic world is dominated by Pisces, reptiles and amphibians. Hence very few aquatic mammals are known when compared to the number and variety of terrestrial mammals. 
    So the correct answer is 'Terrestrial mammals'.
  • Question 4
    1 / -0
    Mammalian brain differs from amphibian brain in having:
    Solution
    The corpus callosum is present only in placental mammals. It is present under the cerebral cortex in the brain. The olfactory lobes, cerebellum and hypothalamus are present in both amphibians and mammals.
    So the correct answer is 'Corpus callosum'.
  • Question 5
    1 / -0
    Which is correct?
    Solution
    A)Platypus is exceptional animals as they are egg-laying mammals. Platypus lay eggs but nourish their young ones with their own milk and are hence considered mammals. 
    B)Camels have oval RBCs or ovoid shaped RBCs as an adaption to absorb more water since they can swell up to 250% their original size.
    C)Rat embryos have cloaca but it diffused and disappears as they develop.
    D)Bats do not have feathers (like birds do) since it is a mammal. Their skins grow out between their fingers resembling thin membranes that enable them to fly.
    So the correct answer is 'Platypus lay eggs'.
  • Question 6
    1 / -0
    Which one has the smallest cranial capacity ?
    Solution
    Cranial capacities of Orangutan and Chimpanzee is between 275 - 500 units.
    For Gorilla is it between 340 - 750 units.
    Rhesus monkeys have cranial capacities less than 200 units.
    So the correct answer is 'Rhesus monkey'.
  • Question 7
    1 / -0
    Bat, whale and human share the following trait
    Solution
    Bats, Humans, and Whales are all placental mammals and hence all have a placenta.
    Whales do not have hair.
    Only Bats are nocturnal among these 3.
    Mammary glands of Whales are situated inside whereas in humans they are placed outside. In bats, the mammary glands are placed along the thoracic wall.
    So the correct answer is 'Placenta'.
  • Question 8
    1 / -0
    Which one of the following is not a mammalian character?
    Solution
    • Enucleated RBCs (RBCs without a nucleus) are present In all mammals. Though the RBCs may differ in shape, all of them are enucleated. The RBCs in birds, reptiles etc. are nucleated. 
    • Muscular diaphragm and hairy skin are exclusive characteristics of Mammalians.
    • Mammals are warm-blooded animals halving fully developed four-chambered hearts and are highly evolved organisms.
    So, the correct answer is option B.
  • Question 9
    1 / -0
    Which of the following prosimian is found only in Madagascar ?
    Solution
    Lemurs are only found in Madagascar.
    Bushbaby is found in Nigeria, East Africa and Sub Saharan Africa.
    Loris is found in Southern India and Sri Lanka.
    Galago is found in East Africa ranging from Sudan to Southern Angola.
    So the correct answer is 'Lemur'.
  • Question 10
    1 / -0
    Echolocation through high frequency sound is trait of
    Solution
    Bats use an advanced echolocation system which involves the generation of ultrasonic sound which gets reflected back by the obstacles in their paths. This helps them in locomotion and catching their prey. Bats can hence travel in dark. Birds, Insects, and Monkeys cannot produce such ultrasonic sounds and rather use sounds like cooing, humming, growling, etc to communicate. 
    So the correct answer is 'Bats'.
Self Studies
User
Question Analysis

  • Correct -

  • Wrong -

  • Skipped -

My Perfomance
  • Score

    -

    out of -
  • Rank

    -

    out of -
Re-Attempt Weekly Quiz Competition
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now