MCQ Bank
Which one of these is NOT the character of ectotherms?
- A) Low metabolic rate
- B) Generate body heat from external environment
- C) Body insulation is very poor
- D) Generate body heat due to high metabolic rate
Sunlight is very important factor in ____________.
- A) Photosynthesis
- B) Hydrogenation
- C) Chemosynthesis
- D) Carbonization
During ___________ the body temperature of an animal drops, and its heartbeat and its breathing slows down with minimum use of energy.
- A) aestivation
- B) sleeping
- C) hibernation
- D) torper
Aestivation occurs because of:
- A) Abundant supply of food and water
- B) Rainy weather
- C) Warm and moist climate
- D) Hot and dry climate
Hibernation can be defined as -----------------.
- A) To sleep for an extended period of time during the winter
- B) To travel to a warmer location
- C) To eat all the oreos
- D) To change your physical characteristics
Ectotherms are also called ___________.
- A) Warm-blooded animals
- B) All of these
- C) Homeotherms
- D) Cold-blooded animals
The normal body temperature of human beings is----------.
- A) 36 degrees C
- B) 37 degree C
- C) 38 degrees C
- D) 39 degrees C
Humming bird can regulate its own body temperature independent of environment hence is called ____________.
- A) Heterotherm
- B) Exotherm
- C) Endotherm
- D) Ectotherm
Type of animals which can approximately maintain their constant body temperature are called ---------.
- A) endothermic
- B) none, animals do not maintain their body temperature
- C) neither
- D) ectothermic
Those animals which regulate their body temperature by external sources like sunlight or a heated rock surface are called _________.
- A) Ectotherms
- B) Heterotherms
- C) Homeotherms
- D) Endotherms
Dormancy of insects in summer is called________________?
- A) Thanolasis
- B) Aestivation
- C) Hibernation
- D) Ecdysiast
Australian burrowing frog (Cycloranaalboguttatus) goesunder ____________during summer.
- A) transpiration
- B) Aestivation
- C) Hibernation
- D) Winter sleep
Which one of these are true hibernators:
- A) Chiroptera (bats)
- B) Insectivora (hedgehogs and allies)
- C) Rodentia (ground squirrels, marmots)
- D) All of the above
Aestivation is also called __________.
- A) Torper
- B) Drowsing
- C) Summer sleep
- D) Winter sleep
The hypothalamus works like a/an _____________.
- A) Alarm Clock
- B) Thermostat
- C) Brain
- D) Timer
Which one of these is NOT a biotic factor?
- A) Plants
- B) Algae
- C) Animals
- D) Sunlight
Hibernation in large animals like bears is termed as ____________.
- A) torper
- B) sleeping
- C) aestivation
- D) winter sleep.
Winter sleep is a form of __________.
- A) Hibernation
- B) Adaptation
- C) Aestivation
- D) Migration
Which one of these is NOT true about hibernation?
- A) It prevents excessive water loss and internal body damage due to high temperatures
- B) Also known as “summer sleep”
- C) Longer duration
- D) Aestivation takes place in cold-blooded animals like snails, earthworms, frogs, etc.
Which one of these animals do not go under winter sleep?
- A) Frogs
- B) Salamanders
- C) Snails
- D) Bats