During a dissection, tendons appear pale and tough. Their composition makes them suitable for:
Correct Answer: A. Strong force transmission
MCQ Collection
Animal Form and Function-I MCQs
Practice Animal Form and Function-I questions with answers and explanations.
A student asks why large land animals usually need strong skeletons. The best answer is that gravity requires:
Correct Answer: A. Mechanical support for body mass
A neuron receives a weak stimulus through its dendrites and sends an impulse along a long fiber. The long conducting fiber is the:
Correct Answer: A. Axon
A cockroach can walk immediately after losing one leg, but movement becomes less stable. This shows jointed appendages mainly help in:
Correct Answer: A. Coordinated locomotion and balance
A student compares annelids and arthropods. An annelid hydrostatic skeleton differs from an arthropod exoskeleton because it:
Correct Answer: A. Uses internal fluid pressure instead of a rigid outer cuticle
A rabbit femur is compared with a fish scale. The femur is part of the:
Correct Answer: A. Endoskeleton
During a nerve physiology practical, damage to myelin causes slower impulse conduction. This happens because myelin normally:
Correct Answer: A. Insulates axons and increases conduction speed
An animal with a soft body and no hard skeleton still maintains shape using internal fluid pressure. The best example of this support system is:
Correct Answer: A. Hydrostatic support in annelids
An animal bends a limb at a joint when one muscle contracts and the opposing muscle relaxes. This illustrates:
Correct Answer: A. Antagonistic muscle action
A student sees that vertebrate skeletons also store minerals. The mineral most associated with bone hardness is:
Correct Answer: A. Calcium
A reflex withdrawal happens before a student consciously feels pain. This quick response is possible because:
Correct Answer: A. Reflex arcs use short neural pathways
A veterinarian explains that tendons connect muscles to bones. Their main mechanical role is to:
Correct Answer: A. Transmit muscle force to the skeleton