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

Directions: Rishab has a beautiful pet dog 'Tommy'. One day, he observed a small insect between its toes. He removed it carefully from the toe and observed it curiously, as a chapter titled 'Diversity In Living Organisms' was being taught in the school.

Identify the organism from options given below which belongs to the same phylum as the insects.

  1. Centipede

  2. Earthworm

  3. Spiders

  4. Both 1 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Insects belong to the phylum Arthropoda. Both centipedes and spiders are also members of the phylum Arthropoda.

Multiple choice

Directions: Rishab has a beautiful pet dog 'Tommy'. One day, he observed a small insect between its toes. He removed it carefully from the toe and observed it curiously, as a chapter titled 'Diversity In Living Organisms' was being taught in the school.

To which of the following phylum do insects belong?

  1. Phylum Insecta

  2. Phylum Arthropoda

  3. Phylum Annelida

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

Insects are classified under the phylum Arthropoda, which is characterized by jointed appendages and an exoskeleton.

Multiple choice

Body cavity of Aschelminthes is

  1. Enterocoelom

  2. Haemocoel

  3. Pseudocoelom

  4. Schizocoel
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Aschelminthes (nematodes) are characterized by having a pseudocoelom, which is a body cavity not completely lined by mesoderm.

Multiple choice

The symbiont in the gut of termites is

  1. trichonympha

  2. vorticella

  3. gonyaulax

  4. paramecium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Trichonympha is a genus of parabasalid protists that live in the intestines of many, if not most, termite species. They are symbiotes, in that they break down the cellulose in the wood and plant fibers their hosts eat.