Tag: biodiversity and classification

Questions Related to biodiversity and classification

Study of animals that live and subsist on other animals is

  1. Ecology

  2. Pathology

  3. Taxonomy

  4. Parasitology


Correct Option: D
Explanation:

Parasitology is the study of parasitic relationship where one animals live and subsist on other animals and organisms. This study is determined by the relationship between the organisms and their hosts and their way of life and draws inference.

What is the name of the book written by Aristotle?

  1. Histoire Naturelle

  2. Systema Naturae

  3. Historia Animalium

  4. Philosophie Zoologique


Correct Option: C
Explanation:

Aristotle, the greek philosopher and scientist wrote the number of books in different fields. However, his works include History of Animals i.e., Historia Animalium is a natural history text written in the fourth century BC and Aristotle died in 322 BC. Thus, the correct answer is option C.

Which of the following statement is correct?


A. Annelids have special organs of excretion called nephridia.
B. Cockroach belongs to class Arthropoda.
C. Crocodiles belong to the class Amphibia.

  1. Both A and B

  2. Only A

  3. Only B

  4. Only C


Correct Option: A
Explanation:

In earthworms, members of the phylum Annelida, the excretory system consists of structural units called nephridia. The nephridium is an invertebrate organ which occurs in pairs and performs a function similar to the vertebrate kidney. Nephridia remove metabolic wastes from an animal's body. Cockroach belongs to class Arthropoda because it has jointed appendages and the hard exoskeleton. Crocodiles are reptiles, not amphibians because they lay their eggs on the land, not in the water.

So, the correct answer is 'Both A and B'.

Which of the following kingdom exhibit heterotrophic : holozoric and saprophytic mode of nutrition only :-

  1. Monera

  2. Protista

  3. Fungi

  4. Animalia


Correct Option: A

Organisms classified under Kingdom Animalia.

  1. Are not essentially heterotrophs

  2. Definitely lack cell wall

  3. Always show presence of nervous system

  4. May not show division o labour


Correct Option: A

Multicellular eukaryotic consumers belong to kingdom

  1. Fungi

  2. Protista

  3. Plantae

  4. Animalia


Correct Option: D
Explanation:

In Animalia (kingdom of multicellular consumers), the members are eukaryotic, multicellular, heterotrophic consumers. They feed on other organism and thus called as consumers. They contain glycogen or fat as reserve food.

Which one of the following is a matching set in animal classification?

  1. Liver fluke, tapeworm, roundworm, guinea worm

  2. Oyster, ship worm, octopus, cuttle fish

  3. Prawn, Nereis, crab, millipede

  4. Sea urchin, sea fan, sea lily, sea pen


Correct Option: B
Explanation:

Liver flukes and tapeworm are Platyhelminthes while roundworm and guinea worm are nematodes.
Prawn, millipede and crab are arthropods, while Nereis is an annelid.
Sea urchin and sea lily are echinoderms, while sea fan and sea pen are Cnidarians.
Oyster, ship worm, octopus, cuttle fish all belong to the phylum Mollusca.
Thus, the correct answer is option B.

Sexual maturity of larva is called as 

  1. Paedogenesis

  2. Parthenogenesis

  3. Parthenocarpy

  4. None of the above


Correct Option: A
Explanation:

The attainment of sexual maturity with the retention of at least some larval morphology and reproduction of larval individuals is known as paedogenesis. Hence, the correct answer is option A.

Monocystis belongs to the order of

  1. Gregarinida

  2. Coccidia

  3. Microsporidia

  4. Sarcosporidia


Correct Option: A
Explanation:

Monocystis is an endoparasite in the seminal vesicle and coelom of earthworms. It belongs to order of GregarinidaMonocystis is a monogenetic parasite, which means its life cycle is completed in a single host that is earthworm. Hence, option A is correct.

The air-breathing animal which lays eggs on land and has a tough hard scale for a covering is:

  1. frog

  2. fish

  3. turtle

  4. whale


Correct Option: C
Explanation:

Turtles are reptiles characterised by a special bony or cartilaginous shell. They are air-breathing animal which lays eggs on land.