Biology · Science General

Diversity in Living Organisms

3,323 Questions

The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.

Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification

Diversity in Living Organisms Questions

Multiple choice

Which of the following are the characteristics of Aves?

  1. Forelimbs are modified into wings.
  2. Respiration is not through lungs.
  3. Heart is four-chambered.
  4. They lay eggs.

  1. Only 1 and 2

  2. Only 1, 3 and 4

  3. Only 2 and 4

  4. Only 1, 2 and 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All birds are classified under the class Aves. The characteristics of birds are:

  1. Forelimbs are modified into wings.
  2. Respiration is through lungs.
  3. Heart is four-chambered.
  4. They lay eggs.
Multiple choice

Consider the following statements:

  1. The branch of science dealing with the study of birds is Ornithology.
  2. Among mammals, reptiles, fishes and amphibians, the smallest eggs belong to amphibians.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement 1 is correct. Ornithology is a branch of zoology that concerns the study of birds. Statement 2 is incorrect. Among mammals, reptiles, fishes and amphibians, the smallest eggs belong to class mammals.

Multiple choice

Which of the following is not true regarding Amoeba proteus?

  1. It is discovered by Rosel Von Rosenhof.

  2. It's locomotary organ is pseudopodia.

  3. It has holozoic mode of nutrition.

  4. It is uricotelic in nature.

  5. It respires through general body surface.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Amoeba proteus is ammonotelic in nature.

Multiple choice

Bioluminescence is found in

  1. Ceratium and Noctiluca

  2. Euglena and Paramecium

  3. Glaucoma and Giardia

  4. Ceratium and Paramecium

  5. Noctiluca and Giardia
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ceratium and noctiluca show bioluminescence.

Multiple choice

Which of the following sets of protozoans represents endoparasites only?

  1. Balantidium, Paramecium and Trypanosoma

  2. Balantidium, Paramecium and Proterospongia

  3. Balantidium, Giardia and Trypanosoma

  4. Giardia, Proterospongia and Trypanosoma

  5. Giardia, Paramecium and Proterospongia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Balantidium, Giardia and  Trypanosoma: All are internal parasite protozoans. Balantidium is a common intestinal parasite of vertebrates found chiefly in amphibians and mammals. Giardia is found as parasite in the digestive tract of vertebrates. Trypanosoma is an endoparasite, which resides in blood and cerebrospinal fluid of man.

Multiple choice

Which of the following statements is/are false?

a. All viruses live inside host cells whereas bacteria very rarely do so. b. Worms multiply very quickly whereas bacteria, viruses and fungi multiply very slowly. c. Most broad spectrum antibodies work against many species of bacteria.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this statement is false. Bacteria, viruses and fungi multiply very quickly whereas worms multiply very slowly.

Multiple choice

Which of the following mammalian features is incorrect?

  1. They have four-chambered heart.

  2. They have mammary glands.

  3. Skin has hair and oil glands.

  4. They are exclusively viviparous.

  5. NA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is the correct answer. Most mammals are viviparous as they give birth to the young ones, but some lays eggs as well.