Tag: animal senses

Questions Related to animal senses

Which of the following animal sleeps most of the time during the winter season?

  1. Sloth

  2. Dog

  3. Lizard

  4. Cat


Correct Option: C
Explanation:

There are two kinds of organisms; regulators and conformers. Regulators are those who can maintain their internal body temperature according to the external environment. Example: dog, cat, sloth etc.

Conformers are the organisms that can not maintain internal body temperature according to the environment so they need sleep during harsh climates to survive. Example: lizards, polar bear.
So, the correct option is 'Lizard'.

Hibernation is also called as

  1. Winter sleep

  2. Summer sleep

  3. Autumn sleep

  4. None of the above


Correct Option: A
Explanation:

Aestivation is the summer sleep and hibernation is the winter sleep. They are taken so as to avoid the harsh temperature. It is a dormant phase where the metabolic rate is lowered. For example, Polar bears hibernate and crocodiles aestivate.

So, the correct option is 'Winter sleep'.

Sloth remains awake for

  1. 7 hours a day

  2. 17 hours a day

  3. 20 hours a day

  4. 2 hours a day


Correct Option: A
Explanation:

Sloth has a very low metabolic rate, it sleeps a lot. It sleeps around 15-18 hours a day. A sloth can lower its heart beat rate. After garden snail, sloth is the slowest animal.

So, the correct option is '7 hours a day'.

How many hours do a day cow sleep?

  1. 5-8 hours

  2. 3-4 hours

  3. 10-15 hours

  4. 20 hours


Correct Option: B
Explanation:

  • Cows usually sleep around 3-4 hours a day. But it doesn't happen in a single go, but instead for shorter periods of time. 
  • A cow takes frequent naps throughout the day and especially the night, which typically last between one and five minutes at a time.

So, the correct option is B.

The longest sleeping animal is

  1. Lizard

  2. Horse

  3. Python

  4. None of the above


Correct Option: C
Explanation:

  • A lizard generally sleeps around 60-80 seconds but its longest sleep can be 4 hours.
  • A horse can sleep up to 3 hours a day.
  • A python being the longest sleeping animal can sleep around 2 weeks continuously.
So, the correct option is 'Python'.

Sloth is considered as folivores because 

  1. They sleep for 17 hours.

  2. The bulk of their diets consists of buds, tender shoots, and leaves.

  3. They are carnivores

  4. None of the above


Correct Option: B
Explanation:

A folivore is an organism that is a specialized herbivore and eat leaves. Sloth is an animal that feeds on leave buds and tender shoot. Due to the low metabolic rate, they don't have to eat much. So, they only eat leaves to survive.

So, the correct answer is 'The bulk of their diets consists of buds, tender shoots, and leaves'.

Sleeping time of sloth is 

  1. 6 hours

  2. 5 hours

  3. 17 hours

  4. None of the above


Correct Option: C
Explanation:


Sleeping time of sloth is 15 to 18 hours per day,.
So the correct option is C.

Which of the following animal sleeps only 30 minutes per day?

  1. Cow

  2. Cat

  3. Sparrow

  4. Giraffe


Correct Option: D
Explanation:
  • Giraffes have the shortest sleep requirements of any mammal, with an average of just 30 minutes per day.
  • They sleep in a reclined position with their long necks curled right round and their heads resting on their rears.
So, the correct option is 'Giraffe'.

Which of the following is called as aestivation?

  1. Sleeping in winters

  2. Sleeping in summer

  3. Sleeping in Autumn

  4. None of the above


Correct Option: B
Explanation:

Aestivation is a state of prolonged sleep during summer, exhibited by certain animals in response to high temperature and arid conditions. Example - frogs and toads, bees, salamander etc.

Unihemispheric sleep is the sleeping patterns in which 

  1. Animal sleeps for five hours

  2. Sleep with just one-half of their brain, while the other half remains alert for predators.

  3. Animals hibernate

  4. None of the above


Correct Option: B
Explanation:

In Unihemispheric sleep, also known as asymmetric slow-wave sleep, one half of the brain is in deep sleep, a form of non-rapid eye movement sleep and the eye corresponding to this half is closed while the other eye remains open. It keeps the organism alert for predators.

So, the correct option is 'Sleep with just one-half of their brain, while the other half remains alert for predators'.