Biology

Invertebrate Zoology

634 Questions

Invertebrate zoology covers the anatomical and physiological characteristics of animals without backbones, focusing heavily on insects, earthworms, and other arthropods. These questions explore structural components like respiratory organs and excretory systems. This topic forms a crucial part of the biology section in various competitive exams.

Cockroach anatomyEarthworm organsInsect ordersRespiratory organsExcretory organs

Invertebrate Zoology Questions

Multiple choice biology hygiene - a key to healthy life mosquitoes and malaria diseases caused by mosquitoes contaminated water spreads disease

Mature larva of Housefly is

  1. Caterpillar

  2. Wriggler

  3. Grub

  4. Maggot.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • The female housefly usually mates only once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as food waste, carrion, or faeces. These soon hatch into legless white mature larvae, known as maggots.
  • This larval stage is further followed by pupa and adult stages.
  • Hence Mature larva of Housefly is Maggot.
  • So, the correct answer is 'Maggot'.
Multiple choice biology hygiene - a key to healthy life mosquitoes and malaria diseases caused by mosquitoes contaminated water spreads disease

Pupa occurs in the life cycle of

  1. Cockroach

  2. Housefly

  3. Honey Bee

  4. Earthworm.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • The pupal stage occurs only in holometabolic insects i.e those that undergo a complete metamorphosis, going through four life stages; egg, larva, pupa, and imago(adult). For example, Housefly, Beetle, Butterfly, moths, wasps, etc.
  • During the time of pupation, that the adult structures of the insect are formed whilst the larval structures are broken down.
  • Hence Pupa occurs in the life cycle of Housefly.
  • So, the correct answer is 'Housefly',
Multiple choice biology hygiene - a key to healthy life mosquitoes and malaria diseases caused by mosquitoes contaminated water spreads disease

Immature stage of housefly is

  1. Caterpillar

  2. Nymph

  3. Grub

  4. Maggot.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Metamorphosis is defined as the series of changes that occur during the development of adult(mature stage) from the larva(immature stage). The order of metamorphosis in Housefly is Egg, larva or maggot, pupa, and adult.
  • The female housefly usually mates only once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as food waste, carrion, or faeces. They hatch after about 12 hours and the larvae, or maggots(immature stage), feed on the rotting organic material. A maggot passes through three larval stages and then forms a pupa or cocoon. The adult fly emerges from the cocoon. Houseflies typically develop from egg to adult(mature stage) within 10 days.
  • Hence Immature stage of a housefly is Maggot(larva).
  • So, the correct answer is 'Maggot'.
Multiple choice biology hygiene - a key to healthy life mosquitoes and malaria diseases caused by mosquitoes contaminated water spreads disease

Maggot of Housefly is

  1. Pupa

  2. Larva

  3. Chrysalis

  4. Imago.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Metamorphosis is defined as the series of changes that occur during the development of adult from the larva. The order of metamorphosis in Housefly is Egg, larva or maggot, pupa, and adult.
  • The female housefly usually mates only once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as food waste, carrion, or faeces. These soon hatch into legless white mature larvae, known as maggots.
  • Hence Maggot of Housefly is larva.
  • So, the correct answer is 'Larva'.
Multiple choice biology hygiene - a key to healthy life mosquitoes and malaria diseases caused by mosquitoes contaminated water spreads disease

The order of metamorphosis in Housefly is

  1. Egg, nymph, pupa and adult

  2. Egg, larva, nymph and adult

  3. Egg, larva, pupa and adult

  4. Egg, pupa, larva and adult.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Metamorphosis is defined as the series of changes that occur during the development of adult from the larva.
  • The order of metamorphosis in Housefly is Egg, larva, pupa, and adult.
  • So, the correct answer is 'Egg, larva, pupa, and adult'.
Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Caterpillar and maggots are

  1. Larvae

  2. Nymphs

  3. Adults

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

A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Caterpillar is the common name for the larvae of members of the order Lepidoptera (the insect order comprising butterflies and moths). A maggot is the larva of a fly (order Diptera). 

So, the correct answer is option A.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Complete metamorphosis occurs in

  1. Bug

  2. Grasshopper

  3. Silverfish

  4. Butterfly
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In each stage of complete metamorphosis, the animal looks different than at all other stages. This is different from incomplete metamorphosis where the early stages of development look like tiny versions of the adult. Butterflies are an example of an insect that goes through all the stages of complete metamorphosis.

So, the correct answer is option D.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

In which stage of complete metamorphosis, does a creature eat a lot in order to store food?

  1. Egg

  2. Larva

  3. Adult

  4. Both B and C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The larva is that stage in metamorphosis following which the adult stage is reached. The larvae consume a lot of food in order to fuel their transition into the adult form. Hence, during the larva stage the creature eats a lot of food which acts as the source of nutrition and energy, required for its transformation into an adult.

So, the correct answer is option B.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

How many life-cycle stages does an incomplete metamorphosis have?

  1. 1/2

  2. 3
  3. 3$^{1/2}$

  4. 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  • Complete metamorphosis consists of four stages i.e. egg, larva, pupa and adult.
  • Incomplete metamorphosis consists of three stages i.e. egg, nymph and adult.
  • Examples of organisms having incomplete metamorphosis in their life cycle are termites, praying mantis and cockroaches.
So, the correct option is '3'.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

The changes from larvae to adult is called ______

  1. Metabolism

  2. Metamorphosis

  3. Metastasis

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

Metabolism is the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained,
and destroyed, and by which energy is made available.
Metamorphosis is a profound change in form from one stage to the next in the
life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly.
Metastasis the transference of disease-producing organisms to other parts of the body by way of the blood or lymphatic vessels or membranous surfaces Morphology is the branch of biology dealing with the form and structure of organisms

So, the correct answer is 'Metamorphosis'.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Butterfly and cockroach develops by which metamorphosis?

  1. Complete and Incomplete

  2. Complete and Complete

  3. Incomplete and Complete

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

  • Complete metamorphosis consists of four stages i.e. egg, larva, pupa and adult. 
  • Incomplete metamorphosis consists of three stages i.e. egg, nymph and adult.
  • Complete metamorphosis occurs in wasps, ants and butterflies while incomplete metamorphosis occurs in termites, praying mantis and cockroaches.
So, the correct answer is 'Complete and Incomplete'.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Which of the following processes refers to the casting away of the skin by a caterpillar to allow a larger caterpillar to emerge?

  1. Metamorphosis

  2. Chrysalis

  3. Moulting

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

Moulting is the process of casting off the dead rigid outer covering or the exoskeleton or skin of the animal body during its growth. The young larvae casts off its skin in order to allow the growth of the larvae to from the adult. This process is also known as ecdysis.

Thus, the correct answer is option C. 

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Periblastula is found in 

  1. Man

  2. Insects

  3. Sycon

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

Periblastula is the blastula of a centrolecithal egg, which is formed by superficial segmentation. This kind blastula occurs in insects.
Centrolecithal eggs develop to superficial blastula, which consists of a single layer of epithelial cells surrounding the centrally placed yolk and there is no blastocoele.
Thus, the correct answer is option (B).

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Changes that convert larva into adult constitute

  1. Metastasis

  2. Metagenesis

  3. Alternation

  4. Metamorphosis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • Metamorphosis refers to the way that organisms develop, grow, and change form.
  • Metamorphosis majorly occurs in insects.
  • metamorphosis has four stages i.e egg, larva, pupa and adult. The female lays eggs then the larva hatch from the eggs. Then the larva makes cocoons around themselves this stage is called a pupa. Inside the cocoon, the larvae change into the adult.
  • Hence Changes that convert larva into adult constitute metamorphosis
So, the correct answer is 'Metamorphosis'.