Multiple Choice. Place the letter of the best answer in the blank to the left of the question (1 point each).
1. The type of nerve cell which carries an impulse from a sensory receptor to the central nervous system is called a:
2. A chemical that causes a reaction in another individual of the same species is called a(n):A. connective neuron B. muscle neuron C. motor neuron D. sensory neuron
A. allelochemical B. kairomone C. allomone D. pheromone
3. Which of the following insect groups has the main flight muscles directly attached to the wing bases?
A. bees B. dragonflies C. butterflies D. grasshoppers
4. The spiral ridge-like structures that help give strength or support to insect tracheae are:
A. taenidia B. spiracles C. intima D. air sacs
True-False. Write either True or False in the blank to the left of each statement (1 point each).
5. The larval type which is caterpillar-like in form is called campodeiform.
6. The insectan circulatory system contains only one blood vessel.
Definitions. Briefly (1-2 sentences) define the following terms (2 points each).
7. bivoltine -
8. Malpighian tubules -
Essay. Briefly and concisely answer the following question.
9. Compare and contrast the circulatory systems in insects and vertebrates (that is tell how they are the same and how they are different).
September 16, 2002
A modification of the midgut seen in some liquid feeding insects is:
A - peritrophic membrane B- filter chamber C - pylorus D - fat body
Malpighian tubules are a thin sheath separating the midgut epithelial cells from food particles. F
September 20, 2002
NO QUIZ. Midterm Assessment to Enhance Teaching and Learning.
September 23, 2002
Both female and male insects have paired reproductive systems. T
The chain of thoracic and abdominal ganglia found in the insect body is called the ventral nerve chord. T
September 25, 2002
The wings of immature endopterygote insects are in the form of imaginal discs. T
Immature holometabolous (complete metamorphosis) insects are larvae. T
The Entomological term stadium refers to:
A - the adult insect, B - instar duration, C - an arena, D - the immature insect.
September 27, 2002
What is a mosquito's favorite sport ? Skin diving!
Why are mosquitoes religious ? They prey on you!
What is a bee's favorite classical music composer? Bee thoven !
What is the best year for grasshoppers? Leap year!
What do butterflies sleep on? Cater pillows
What is the biggest ant? An eleph ant.
Answers to Sample Exam II
1-D, 2-D, 3-B, 4-A, 5-F, 6-T
7. Bivoltine - having two generations per year
8. Malpighian tubules - tubules arising at the juncture of the mid and hind guts of insects and extending throughout the insect hemocoel. Involved with salt, water, and waste nitrogen elimination.
9. Compare and contrast insect and vertebrate circulatory systems
Vertebrates
Insects
Both systems contain blood cells involved in wound healing