Biology

Invertebrate Zoology

799 Questions

Invertebrate zoology covers the anatomical and physiological characteristics of animals without backbones, focusing heavily on insects, earthworms, and other arthropods. These questions explore structural components like respiratory organs and excretory systems. This topic forms a crucial part of the biology section in various competitive exams.

Cockroach anatomyEarthworm organsInsect ordersRespiratory organsExcretory organs

Invertebrate Zoology Questions

Multiple choice

Which of the following is a set of true worms?

  1. Earth worm, Fire worm, Flat worm

  2. Round worm, Filarial worm, Hook worm

  3. Flat worm, Round worm, Hook worm

  4. Earth worm, Hook worm, Flat worm

  5. Filarial worm, Fire worm, Flat worm
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Round worm (Ascarislumbricoides), Filarial worm (Wuchreria bancrofti), Hook worm (Ancylostomaduodenale): All are true worms, i.e., members of Phylum Aschelminthes.

Multiple choice

Which of these organisms has a closed type of circulatory system?

  1. Cockroach

  2. Earthworm

  3. Mollusc

  4. Scorpion

  5. Insects
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Earthworm has closed type of circulatory system. Here blood is pumped through a closed system of arteries, veins, and capillaries. Capillaries surround the organs, making sure that all cells have an equal opportunity for nourishment and removal of their waste products.

Multiple choice

Which of the following is/are not related with earthworms?

  1. Bristles

  2. Hollow bones

  3. Slimy secretion

  4. Peristalsis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The body of an earthworm is soft as it does not have bones. It moves by the peristaltic action of muscles and affixes itself to the ground with the help of large number of tiny bristles. Also, its body secretes a slimy substance to help in the movement.

Multiple choice

Which type of movement is not shown by a cockroach?

  1. Climbing

  2. Walking

  3. Flying

  4. Creeping
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cockroach is an animal with three pairs of legs. It can walk with the help of its legs. It can climb up the walls and can also undergo short flights due to the presence of wings, which are attached to its breast.