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 biology diversity in living world characteristics of annelida and arthropoda characteristics of platyhelminthes and aschelminthes basis of classification in animals

The presence of mutable collagenous tissue is an important feature of :

  1. Annelida

  2. Echinodermata

  3. Porifera

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

Mutable collagenous tissue, also known as catch connective tissue, is a unique feature found exclusively in echinoderms. It allows them to rapidly and reversibly change their mechanical properties under nervous control.

Multiple choice biology diversity in living world characteristics of annelida and arthropoda characteristics of platyhelminthes and aschelminthes basis of classification in animals

This organism (animal) is considered as a living fossil as well as a link between annelids and arthropods

  1. Peripatus

  2. Tapeworm

  3. Earthworm

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

Peripatus is sometimes considered a living fossil because it and other onychophorans are transitional between Arthropoda and Annelida and retain a large. So, the correct option is "A" (Peripatus).

Multiple choice biology diversity in living world characteristics of annelida and arthropoda characteristics of platyhelminthes and aschelminthes basis of classification in animals

Phylum annelida resembles mollusca in embryonic features because both have __________________.

  1. Spiral cleavage and mesoderm formation

  2. Identical conspicuous segmentation in body, muscles

    and nervous system

  3. Meroblastic cleavage and ectoderm formation

  4. Special type of mouth parts
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Annelids and mollusks are both protostomes, meaning they share developmental characteristics such as spiral cleavage and the formation of the mesoderm from specific blastomeres.

Multiple choice zoology adaptation terrestrial adaptation in animals terrestrial adaptations animal adaptations terrestrial adaptations in plants adaptation in terrestrial plants

 Deer has _______ to hear movements of predators.

  1. Long ears

  2. Short ears

  3. Long nose

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
 A deer needs to know about the presence of predators ( animals like lion that make it their prey ) in order to run away from them and not become their prey. It has long ears to hear movements of predators.
Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

Roundworms belong to the phyla

  1. Nematoda

  2. Porifera

  3. Platyhelminthes

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Nematodes are roundworms, named as such because they are round in cross-section. They belong to phylum Nematoda. Nematodes possess digestive, nervous, excretory, and reproductive systems, but lack a discrete circulatory or respiratory system.
So, the correct answer is 'Nematoda'.
Multiple choice transgenic organisms biotechnology and its applications biotechnology and its application biology

In which of the following prokaryote organism the voluminous genetical works have been done?

  1. Drosophila

  2. Escherichia coli

  3. TMV

  4. House fly
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Escherichia coli is considered as a model organism. The organism can be cultured and maintained very easily in the laboratory conditions. 
  • The genome of the prokaryotic bacteria has been mapped and the details about all the genes and the products have been known. 
  • This makes it easy to modify or alter and gene, introduce a new gene or mutate the gene and study the effect. The organism can be easily studied as the growth rate is high. 
  • So, many works related to genetics have been performed using this bacterium.
  • Thus, the correct answer is option B. 
Multiple choice biology caskets of life observation of cells observing cells cell as structural and functional unit

Onion cells and cheek cells are the examples of prokaryotic cell.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Onion cell is a plant cell with a cell wall and a large vacuole. On the other hand, human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole. Onion cell is an example of plant eukaryotic cell and cheek cell is an example of an animal eukaryotic cell.

So, the correct answer is 'False'.

Multiple choice biology caskets of life observation of cells observing cells cell as structural and functional unit

How is a bacterial cell different from an onion peel cell?

  1. Bacterial cell- prokaryote, onion peel cell- eukaryote

  2. Onion peel cell- prokaryote, bacterial cell- eukaryote

  3. Bacterial cell- contains membranous organelles, onion peel cell- no membranous organelle

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bacterial cells are primitive cells hence, called as prokaryotic cells. They do not possess membrane bound organelles as mitochondria, lysosomes, etc. They also do not have well-defined membrane bound nucleus. 
Onion peel cell is an eukaryotic cell with well-defined membrane bound nucleus, membrane bound organelles as mitochondria, vacuole, etc. 

Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

Snakes dance to the tune of snake charmer because

  1. They are charmed by music.

  2. Snake charmers flute is very melodious.

  3. They are trained liked other pets.

  4. They change position with the change in position of the flute.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • The snakes have a poorly developed sense of hearing. 
  • So, it cannot hear the snake charmer's tune but moves along with the hands and other movements made by the snake charmer.

    Hence, the correct option is D.


Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

Which of the following snake is poisonous?

  1. Cobra

  2. Krait

  3. Afai

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Venomous or poisonous snakes are species capable of producing venom (poison), which is used primarily for immobilizing prey and defense. It is mostly done via mechanical injection by fangs. The varieties of snake that most often cause serious snakebites depend on the region of the world. 
Africa- Mambas, Egyptian cobras, Puff adders and Carpet vipers
Middle East- Carpet ipers and Elapids
Central and South America- Bothrops and Crotalus 
In South Asia- Indian cobras, Common kraits, Russell's viper, Saw-scaled vipers (Afai snake) and Carpet vipers
So, the answer is D.
Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

Snakes are not found in Antarctica, Iceland, Ireland, Greenland and New Zealand because 

  1. They are cold blooded

  2. They are carnivores

  3. They have poisonous fangs

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many carnivores are found in extremely cold areas.

Fangs are not affected by external temperatures hence they aren't contributing in the habitats of snakes.
They are cold blood or their inability to maintain a body temperature limits their existence to some areas having warm climates as they will not be able to survive in such extreme cold.
So the correct answer is 'They are cold blooded'.

Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

Snakes cannot shed their skin.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The given statement is false. The molting of the skin occurs regularly in snakes. This is when old skin is outgrown. It is called shedding or ecdysis. Snakes will rub against rough surfaces to shed their skin. A shed skin is much longer than the snake that shed it, as the skin covers the top and bottom of each scale. 

Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

When tail is cylindrical and ventral scales do not extend the entire width of the belly, the snake is 

  1. Non-Poisonous

  2. Definitely Poisonous

  3. deadly Poisonous

  4. Either Poisonous or Non-Poisonous
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most important differences between poisonous and non poisonous snakes include :

1. Poisnous snakes have large ventral scales covering the entire extent of the belly. Non-poisnous snakes have smaller scales absent over belly.
2. Poisnous snakes have a compressed tail while it is not compressed in non-poisnous snakes.
3. Fangs of poisonous snakes are hollow like hypodermic needle while they are short and solid in non-poisonous snakes.
Looking at the given characteristics, the correct option is 'Non-Poisnous'.