In which type of parthenogenesis are only males produced?

(a)

Arrhenotoky

(b)

Thelytoky

(c)

Amphitoky

(d)

Both a and b

The mode of sexual reproduction in bacteria is by ______.

(a)

Formation of gametes

(b)

Endospore formation

(c)

Conjugation

(d)

Zoospore formation

Assertion and reasoning questions:
In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
Assertion: Viviparous animals give better protection to their off springs.
Reason: They lay their eggs in the safe places of the environment.
Codes:
A. If both A and R are true and R is correct explanation for A
B. If both A and R are true but R is not the correct explanation for A
C. If A is true but R is false
D. If both A and R are false.

(a)

If both A and R are true and R is correct explanation for A

(b)

If both A and R are true but R is not the correct explanation for A

(c)

If A is true but R is false

(d)

If both A and R are false

Transverse Binary fission is seen is ______

(a)

Vorticella

(b)

Paramecium

(c)

Plasmodium

(d)

Euglena

In, dinoflagellates the types of asexual reproduction seen is _____

(a)

Simple Binary fission

(b)

Multiple fission

(c)

Oblique binary fission

(d)

Longitudinal binary fission

Giant Amoeba refers to ______

(a)

Opalina

(b)

Pelomyxa

(c)

Ceratium

(d)

Trichonympha

Budding is seen in ______

(a)

Noctiluca

(b)

Amoeba

(c)

Nostoc

(d)

Planaria

Technique used for cultivation of sponges is based on ______

(a)

Multiple fission

(b)

Parthenogenesis

(c)

Regeneration

(d)

Autogamy

External fertilization is seen is ______

(a)

Mammals and birds

(b)

Reptiles and sponges

(c)

Fishes and birds

(d)

Sponges and amphibians

Paedogenetic parthenogenesis occurs in: ______

(a)

Gall fly

(b)

Honey bees

(c)

Aphis

(d)

Solenobia

In honey bees, the mode of reproduction is

(a)

Sexual and Asexual

(b)

Sexual and Parthenogenesis

(c)

Asexual and Parthenogenesis

(d)

All the above

Special type of transverse division seen in Aurelia is called ______

(a)

plasmotomy

(b)

strobilation

(c)

pedal laceration

(d)

sporulation

Starfish shown ______ type of regeneration.

(a)

epimorphosis - reparative

(b)

epimorphosis (restorative)

(c)

morphallaxis

(d)

paedogenesis

Identify the wrong statement.

(a)

Oviparous animals lays eggs.

(b)

Viviparous animals give rise to young ones

(c)

Ovoviviparous animals lays eggs and then hatch it to young ones.

(d)

Amphibians are oviparous animals

The process by which gravid proglottids of tapeworm gets cut off is called ____________

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apolysis

The concept of regeneration was first noticed in _____________

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Hydra

The ploidy of males produced by arrhenotoky parthenogenesis is ________

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haploid

Human beings are an example for ___________ breeders.

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continuous

Strobilation

(1)

Hydra

Regeneration

(2)

Monocystis

Parthenogenesis

(3)

Gall fly

Fragmentation

(4)

Aurelia

Exogamy

(5)

Trichonympha

Hologamy

(6)

Taenia solium

Isogamy

(7)

Human beings