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Asexual Reproduction in Animals ( Hard)

Description: Proteins
Number of Questions: 15
Created by:
Tags: Asexual reproduction binary fission multiple fission budding fragmentation parthenogenesis Asexual Reproduction
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Which of the following organisms reproduces by longitudinal binary fission?

  1. Paramecium

  2. Euglena

  3. Amoeba

  4. Planaria


Correct Option: B
Explanation:

Euglena divides by longitudinal binary fission. 

In which organism(s) is sperm dependent parthenogenesis observed?

  1. Pelophylax Kl hispanicus (Italian edible frog)

  2. Poeciliopsis (bony fishes)

  3. Schmidtea polychora (planaria)

  4. Mayfly


Correct Option: C
Explanation:

Sperm dependent parthenogenesis is observed in planaria schmidtea polychora.

In which organisms is thelytoky seen?

  1. Termite queens

  2. Worker honeybees

  3. Ants

  4. Chalcidoids


Correct Option: B
Explanation:

In honeybees, workers will undergo thelytoky in the absence of a queen. 

In which animal do testes come into scrotal sacs only during breeding season?

  1. Elephant

  2. Rabbit

  3. Bull

  4. Sea lion


Correct Option: B
Explanation:

In rabbits, testes come into scrotal sacs only during breeding season.

Chlamydomonas reproduce asexually by producing

  1. gemmules

  2. conidia

  3. zoospores

  4. zygospores


Correct Option: C
Explanation:

Chlamydomonas reproduce asexually by producing zoospores.

Which organism uses merogony form of multiple fission to produce daughter cell?

  1. Toxoplasma gondii

  2. Plasmodium

  3. Cryptosporidium

  4. Hydra


Correct Option: B
Explanation:

Plasmodium uses merogomy form of multiple fission to produce daughter cells. 

Which animal divides by a method called fissiparity?

  1. Flatworm

  2. Coral

  3. Echinoderm

  4. Ceolentrate


Correct Option: C
Explanation:

In echinoderms, the process of fragmentation is usually known as fissiparity. 

Which of the following organisms reproduces exclusively asexually?

  1. Hammerhead shark

  2. Aptinothrips genus of glass thrips

  3. Timema genus of stick insect

  4. Bdelloid rotifers


Correct Option: D
Explanation:

Bdelloid rotifers reproduce exclusively asexually.

In which organism are buds formed inside the parental body?

  1. Scypha

  2. Spongilla

  3. Hydra

  4. Syllis


Correct Option: B
Explanation:

The budding is endogenous as a number of buds are formed inside the parental body.

Which type of fission is observed in opalina and pelomyxa?

  1. Irregular binary fission

  2. Fissiparity

  3. Plasmotomy

  4. Multiple fission


Correct Option: C
Explanation:

In opalina and pelomyxa, a peculiar binary fission called plasmotomy occurs.

What are the internal buds formed in sponges called?

  1. Cysts

  2. Buds

  3. Gemmules

  4. Conidia


Correct Option: C
Explanation:

The internal buds formed in sponges are called gemmules. 

Which type of asexual reproduction is observed in starfish?

  1. Binary fission

  2. Budding

  3. Fragmentation

  4. Zoospore formation


Correct Option: C
Explanation:

Starfishes reproduce asexually by fragmentation. 

Which type of asexual reproduction is seen in monocystis?

  1. Binary fission

  2. Sporocyst

  3. Budding

  4. Fragmentation


Correct Option: B
Explanation:

Monocystis reproduce by spore formation.

Heterogony is seen in

  1. phasmids

  2. aphids

  3. chalcidoids

  4. honeybees


Correct Option: B
Explanation:

Phenomenon of heterogony or cyclic parthenogenesis is seen in aphids. 

Which of the following is/are developed by the change in environmental conditions in pea aphids?

  1. Telescoping generations

  2. Fundatrices

  3. Sexuparae

  4. Heterogony


Correct Option: C
Explanation:

In the case of pea aphid, the environmental conditions induce the development of sexuparae.

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