Biology · Science General

Diversity in Living Organisms

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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 biodiversity and classification animal classification and its benefits criteria for new system of classification five kingdoms of living organisms

Organisms in the kingdom Animalia are 

  1. Multicellular and heterotrophic

  2. Multicellular and autotrophic

  3. Unicellular and autotrophic

  4. Unicellular and heterotrophic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Animals are multicellular, eukaryotic organisms. All animals are heterotrophs, i.e., they can not synthesize their own food and depend on other organism for food.

Multiple choice biology biodiversity and classification animal classification and its benefits criteria for new system of classification five kingdoms of living organisms

Characteristic of rotifers is

  1. Small size

  2. Ring of cilia

  3. Multicellular nature

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Rotifers are multicellular, microscopic and free-living microscopic or near-microscopic multicellular pseudocoelomate animals. Hence multicellular nature and small size
  • .They belong to the phylum Rotifera
  • They are characterized by having specialized organ systems and a complete digestive tract that includes both a mouth and anus. Since these characteristics are all uniquely animal characteristics, rotifers are recognized as animals or metazoans, even though they are microscopic.
  • Rotifers are called wheel animalcules because their corona is composed of several ciliated tufts around the mouth i.e ring of cilia, that in motion resemble a wheel. Hence Characteristic of rotifers is small size, ring of cilia and multicellular nature.
  • So, the correct answer is 'All the above'.
Multiple choice biology biodiversity and classification animal classification and its benefits criteria for new system of classification five kingdoms of living organisms

Except cell membranes, cells of which of the following kingdom do not possess cell wall

  1. Plantae

  2. Monera

  3. Fungi

  4. Animalia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Animal shows different types of body organization.
  • Animals can be radial, asymmetric and bilateral symmetric.
  • Most of the animals are triploblastic.
  • The digestive system is incomplete in some phyla and complete in rest of the phyla.
So, the correct option is 'animalia'.
Multiple choice biology biodiversity and classification animal classification and its benefits criteria for new system of classification five kingdoms of living organisms

Choose the correct answers from the alternatives given.
Which one of the following is not a characteristic of organisms in the kingdom Animalia ?

  1. Eukaryotic cells without walls

  2. Multicellularity

  3. Obtaining nutrients by ingestion

  4. Storage of carbohydrates as starch
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plants store complex carbohydrates as starch and animals store them as glycogen in the muscles and liver. Glycogen is the storage form of glucose in animals and humans which is analogous to the starch in plants. Glycogen is synthesized and stored mainly in the liver and the muscles. Animals do not have a cell wall but instead, have the outermost plasma membrane or cell membrane on the exterior and with well-developed organelles enclosed in membranes (eukaryotes) and are also multicellular (being made of more than one cell) and are heterotrophic as animals cannot make their own food. 

So, the correct option is, 'Storage of carbohydrates as starch'.

Multiple choice physics study of sound conditions for hearing echo echo ultrasound and its applications

The technique used by bats to find their way or to locate food is _______.

  1. SONAR

  2. RADAR

  3. Echolocation

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

Bats can produce ultrasonic waves by flapping their wings. They can also detect these waves.these waves produced by the bats after reflection from the obstacles like building guide them to  remain away from the obstacles during night with the help of ultrasonic waves.

Multiple choice physics study of sound conditions for hearing echo echo ultrasound and its applications

It has been seen that the behaviour of animals becomes unusual just before the tremor is felt.what is the reason behind this?

  1. Because animals are able to detect infrasonic waves produced at the time of tremor.

  2. Because animals are able to detect ultrasonic waves produced at the time of tremor.

  3. Because animals are able to detect audible waves produced at the time of tremor.

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

Has been seen that the behaviour of animals becomes unusual just before the tremor is felt.This is because animals are able to detect infrasonic waves produced at the time of tremor. Infrasonic waves are waves of frequency less than 20Hz.

Multiple choice photosystems photosynthesis in plants metabolism, cell respiration, and photosynthesis photosynthesis in higher plants biology

Photosynthetic bacteria do not contain

  1. PS - I

  2. PS - II

  3. PS - I or PS - III

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

There are only two photosystems PS I and PS II. Photosynthetic bacteria have only PS I and absence of PSII makes them carry out cyclic photophosphorylation wherein $H _2S$ serves as an electron donor, rather than water, and there is no release of oxygen. The low light intensity and anaerobic conditions favor cyclic photophosphorylation. The correct answer is B.

Multiple choice commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

Which of the following characteristics of tiger helps to reduce the poaching of the tiger? 

  1. Whiskers of tiger help to sense the prey.

  2. The ears are flexible which carries the sound from large distances.

  3. Tigers can smell the urine of another tiger.

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

The question is poorly phrased, but in the context of wildlife education, these biological traits are often cited as reasons why tigers are elusive and successful predators, which ironically makes them targets for poachers who value these unique biological features.

Multiple choice commercial applications environmental equilibrium threatened species need of conservation conservation of soil and wild life sleeping time animal senses sense organs in animals

Annual migration does not occur in case of

  1. Arctic tern

  2. Salamander

  3. Salmon

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

Migration is used by a number of species, including birds, fish, invertebrates, and mammals, as one strategy for dealing with a seasonally variable environment. In many cases, migration is obligated, but in some species, within a migratory population, only some individuals migrate in a given season (migrants), while the rest remain in the same location (residents), a phenomenon called as partial migration. 

Partial migration can also occur when residents and migrants share a common ground but breed in separate locations. Another form of partial migration occurs when non-migrating individuals actually forgo reproduction this is essentially a special form of low-frequency reproduction. This type of partial migration is well documented in salamanders, newts, sea turtles, and many species of fish.

Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

Which of the following groups contains uricotelic animals only ?

  1. Reptiles, birds, land snails, insects

  2. Reptiles, birds, land snails, aquatic insects

  3. Amphibians, birds, land snails, insects

  4. Amphibians, reptiles, birds, insects
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Reptiles, birds land snails and insects excrete nitrogenous wastes as uric acid in the form of white paste and thus they are called uricotelic animals. 

So, the correct answer is (A).

Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

Amarbel is an example of

  1. Autotroph

  2. Parasite

  3. Saprotroph

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

Amarbel is an example of the parasite. Cuscuta reflexa is the botanical name for the amarbel. It is also known as giant dodder. It grows in a creative manner over host plants and this species has the capability of producing numerous branches within a short period of time. Since it is a parasitic plant, so it depends on host plants for food. Over haustoria, amarbel provide communication with its host plants. Amarbel is widely used in the treatment for a headache, labour pain, bone fracture, fever and rheumatism. 

So, the correct answer is option B.

Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

Balanophora$/$ Orobanche is a

  1. Total root parasite

  2. Partial root parasite

  3. Partial stem parasite

  4. Total stem parasite
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Balanophora is a total root parasite because it sucks nutrients and water from the roots of host plants like cabbage etc for its survival. In turn, it causes harm to the host.

Thus the correct answer is 'Total root parasite'.

Multiple choice botany know the plant world closely nutrition and its types types of nutrition in plants different modes of nutrition in plants

We can demarcate a facultative parasite as one which

  1. Inevitably requires living host.

  2. Only requires dead organic matter to live.

  3. Is actually a parasite but can also become saprophyte.

  4. Is actually a saprophyte but can also become a parasite.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Facultative parasites are organisms which do not completely depend on a host for completing its life cycle, but may become parasitic in absence of food or other favorable conditions

Example: Armillaria species
So, the correct answer is 'Is actually a saprophyte but can also become a parasite'

Multiple choice zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

The organism made up of many cells are known as 

  1. Acellular

  2. Unicellular

  3. Multicellular

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

The living organisms are composed of cells which forms the structural and functional unit of the life forms. Some of the animals are composed of only one cell which forms the complete body are known as unicellular. Some of the animals are composed of many cells which form tissues and organs are known as multicellular. 

Thus, the correct answer is option C.