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

How does the male snake locate the female for breeding?

  1. By looking for her trail marks

  2. By sight

  3. By smell

  4. By hearing her movements
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The slippery female snake will discharge a pheromone noticeable all around that creates a unique fragrance that starts wind mating season. Male snakes from all over will smell the fragrance and will endeavor to mate with the female.

So, the correct option is 'By smell'.

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

How do snakes eat?

  1. Chew their food

  2. Swallow the whole food

  3. They first digest and then swallow their food

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

  • Snakes are carnivorous. Snakes do not have the right kind of teeth to chew their food so they eat their catch whole. Their jaw is structured in such a way that it allows the mouth to open wider than their own body in order to swallow their prey whole.

So, the correct option is 'Swell their whole food'.

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

Snake possess external ear.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Snakes have no visible ear. They have vestiges of the apparatus for hearing inside their heads, and that setup is attached to their jaw bones, so they feel vibrations very well and may hear low-frequency airborne sounds.
Multiple choice evs snakes a snake charmer's story snakes and snake charmers uses of animals

The scaly skin of snakes 

  1. Protects them from drying.

  2. Scares human beings.

  3. Makes them beautiful.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The scaly skin of snakes plays a lot of different functions. Snakes are food for animals like eagles, hawks or foxes and to protect themselves from these animals, snakes have scales. These scales are thick and prickly, which makes it difficult for animals to bite or injure them. Other than protection from animals, scales also protect snakes from harmful sun rays and decreases water loss. Hence, scales protect snakes from dying due to multiple reasons.

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

Which of the following snakes kills its prey by constriction?

  1. Banded bait

  2. Python

  3. Viper

  4. Rat snake
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
The Pythonidae, commonly known simply as pythons, are a family of nonvenomous snakes found in Africa, Asia, and Australia. Among its members are some of the largest snakes in the world. Eight genera and 31 species are currently recognized. A constricting snake like python kills its prey by suffocation. It uses the momentum of its strike to throw coils around its victim’s body. Then, it squeezes. Every time the prey exhales, the snake squeezes a little more tightly. Soon, the victim can breathe no more.
So the correct option is 'python'.

Multiple choice biology diversity in living things and their classification oviparous and viviparous number and shape of cells unicellular and multicellular organisms

................... possess notochord, ............... do not possess notochord.

  1. Vertebrates, invertebrates

  2. Invertebrates, vertebrates

  3. Notochords, chordates

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

The animals who posses a proper notochord are known as vertebrates whereas the organisms who do not have a proper notochord are known as invertebrates.

Multiple choice biology diversity in living things and their classification oviparous and viviparous number and shape of cells unicellular and multicellular organisms

.............. are those animals which have no backbone.

  1. Invertebrates

  2. Vertebrates

  3. Mammals

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

The vertebral column is a supportive structure derived from the notochord. It is more commonly called the backbone or the spine. Animals that do not possess or develop a vertebral column or backbone are commonly called invertebrates. They include crabs, snails, lobsters, octopuses, sea urchins, worms, etc.

So, the correct answer is 'Invertebrates'.

Multiple choice biology diversity in living things and their classification oviparous and viviparous number and shape of cells unicellular and multicellular organisms

Give the difference between vertebrates and invertebrates.

  1. Invertebrates do not have notochord vertebrates have notochord.

  2. The heart of invertebrates is present on dorsal side, while heart of vertebrate is present on ventral side.

  3. Invertebrates are less evolved animals where as chordata are highly evolved animals.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Invertebrates do not have a notochord, their heart is present on the dorsal side. They are less evolved animals, 
  • whereas vertebrates have notochords, their heart is on the ventral side and they are highly evolved animals.
Multiple choice biology diversity in living things and their classification oviparous and viviparous number and shape of cells unicellular and multicellular organisms

Vertebrates do not posses a notochordat any stage.

  1. True

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

Vertebrates are animals that possess a notochord, a dorsal hollow nerve cord and pharyngeal gill slits at some stage of their lives. They might possess these characteristics during the initial stages of their lives and lose them later on or they might develop these features later in their lives.

So, the correct answer  is 'False'.

Multiple choice biology diversity in living things and their classification oviparous and viviparous number and shape of cells unicellular and multicellular organisms

Differentiate between vertebrates and invertebrates.

  1. (i) Vertebrates: (a) Notochord is present, (b) True internal skeleton present.

    (ii) Invertebrates:(a) Notochord is absent, (b) No true internal skeleton present.

  2. (i) Vertebrates: (a) Notochord is absent, (b) No true internal skeleton present.

    (ii) Invertebrates: (a) Notochord is present, (b) True internal skeleton present.

  3. (i) Vertebrates: (a) Nervechord is present, (b) True internal skeleton present.

    (ii) Invertebrates:(a) Notochord is absent, (b) No true internal skeleton present.

  4. (i) Vertebrates: (a) Nervechord is present, (b) True internal skeleton present.

    (ii) Invertebrates:(a) Notochord is absent, (b) True internal skeleton present.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Vertebrates have a backbone with a spinal cord, whereas invertebrates do not.
  • The diversity is exceptionally high among the invertebrates compared to vertebrates.
  • Vertebrates are always bilaterally symmetrical, while invertebrates could show either bilateral or radial symmetry.
  • Vertebrates are usually large-bodied and move fast compared to invertebrates.
  • Vertebrates have a closed blood system, a well-developed brain, either gills or lungs for respiration, and a complex and sophisticated nervous system, whereas those are primitive in invertebrates. Therefore, it concerns that vertebrates have many specializations to extract the best out of the environment compared to invertebrates.
  • Despite all these changes, someone could draw a point that invertebrates are more adaptive due to their simplicity, whereas vertebrates do not have good adaptability in comparison because of the specialization. However, I would like to quote a popular quote to finish that in evolution specialization paralyzes and ultra specialization kills the viability of taxons.
Multiple choice biology interdependence of organism and the environment natural cycles and resources constituents of air medicinal use of microorganism

Read the following statements and select the correct option:
STATEMENT I: Nostoc and bacteria are prokaryotes.
STATEMENT II: Penicillium and Spirogyra are fungi.

  1. Only statement I is true

  2. Only statement II is true

  3. Both statements I and II are true

  4. Both statements I and III are false
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nostoc is a cyanobacterium. Along with bacteria, Nostoc belongs to the prokaryotic organisms as they do not possess the well-defined nucleus and double membrane-bound organelles. In statement 2, Penicillium is a fungus but Spirogyra is an alga. Thus, the correct option is A.

Multiple choice biology selection and evolution phylogeny cladistics speciation

When originally classified, whales and hippopotamuses were placed into different orders. Molecular analysis recently suggested that whales (order Cetacea) and hippopotamuses (order Artiodactyla) are extremely closely related, sharing a recent common ancestor.
This has led some taxonomists to create a new phylogenetic tree that puts the two orders together into a single clade. It is still unclear as to whether the whales diverged from Hippopotamuses before or after the divergence of other species in the order Artiodactyla.
An interesting physical feature of whales is the presence of vestigial pelvic bones.
If scientists determine that whales diverged from the artiodactyl order after llamas and giraffes, what should be true of the vestigial pelvic bones of whales?

  1. They are a shared ancestral feature of whales, llamas, and giraffes.

  2. They are a shared derived feature of whales, llamas, and giraffes.

  3. They are a shared ancestral feature of whales.

  4. They are a shared derived feature of whales.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
The presence of vestigial pelvic bones is a characteristic of whales, even though pelvic bone was present in the species that diverged Hippopotamuses. It was not used in whales and hence vestigial. The bone being vestigial is characteristic of whales
So, the correct answer is 'They are a shared derived feature of whales'

Multiple choice biology what do animals eat? introduction to animal nutrition food for life types of nutrition

Which mode is used by snakes for taking food?

  1. Swallowing

  2. Chewing

  3. Sucking

  4. Biting
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Snakes are carnivores. They eat their food by mechanism of swallowing. it is the process that allows for a substance to pass from the mouth, to the pharynx and into esophagus. Swallowing is done by raking with the lower jaw until the prey is far enough back to be helped down by body undulations.
So, the correct answer is 'Swallowing'.
Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Diversity of organisms include three Domains such as

  1. bacteria, archae, eukarya

  2. binomial system of classification

  3. monera, protista, fungi, plantae, animalia

  4. membrane bound organelles, no peptidoglycan in cell walls, introns
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The three-domain system, proposed by Carl Woese, classifies all cellular life into Bacteria, Archaea, and Eukarya based on ribosomal RNA sequences.