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Published on: 23/08/2019
Zoology - Reproduction in Organisms
Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Biology Test1.
Identify the wrong statement.
Oviparous animals lays eggs.
Viviparous animals give rise to young ones
Ovoviviparous animals lays eggs and then hatch it to young ones.
Amphibians are oviparous animals
2.
Starfish shown ______ type of regeneration.
epimorphosis - reparative
epimorphosis (restorative)
morphallaxis
paedogenesis
3.
Special type of transverse division seen in Aurelia is called ______
plasmotomy
strobilation
pedal laceration
sporulation
4.
In honey bees, the mode of reproduction is
Sexual and Asexual
Sexual and Parthenogenesis
Asexual and Parthenogenesis
All the above
5.
Paedogenetic parthenogenesis occurs in: ______
Gall fly
Honey bees
Aphis
Solenobia
6.
External fertilization is seen is ______
Mammals and birds
Reptiles and sponges
Fishes and birds
Sponges and amphibians
7.
Technique used for cultivation of sponges is based on ______
Multiple fission
Parthenogenesis
Regeneration
Autogamy
8.
Budding is seen in ______
Noctiluca
Amoeba
Nostoc
Planaria
9.
Giant Amoeba refers to ______
Opalina
Pelomyxa
Ceratium
Trichonympha
10.
In, dinoflagellates the types of asexual reproduction seen is _____
Simple Binary fission
Multiple fission
Oblique binary fission
Longitudinal binary fission
11.
Transverse Binary fission is seen is ______
Vorticella
Paramecium
Plasmodium
Euglena
12.
13.
In which type of parthenogenesis are only males produced?
Arrhenotoky
Thelytoky
Amphitoky
Both a and b
14.
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.
If both A and R are true and R is correct explanation for A
If both A and R are true but R is not the correct explanation for A
If A is true but R is false
If both A and R are false
15.
Isogamy
16.
Hologamy
17.
Exogamy
18.
Fragmentation
19.
Parthenogenesis
20.
Regeneration
21.
Strobilation
22.
Human beings are an example for ___________ breeders.
23.
The ploidy of males produced by arrhenotoky parthenogenesis is ________
24.
The concept of regeneration was first noticed in _____________
25.
The process by which gravid proglottids of tapeworm gets cut off is called ____________
1.
(c)
Ovoviviparous animals lays eggs and then hatch it to young ones.
2.
(b)
epimorphosis (restorative)
3.
(b)
strobilation
4.
(b)
Sexual and Parthenogenesis
5.
(b)
Honey bees
6.
(d)
Sponges and amphibians
7.
(c)
Regeneration
8.
(a)
Noctiluca
9.
(b)
Pelomyxa
10.
(c)
Oblique binary fission
11.
(b)
Paramecium
12.
(c)
13.
(a)
Arrhenotoky
14.
D. If both A and R are false.
15.
Monocystis
16.
Trichonympha
17.
Human beings
18.
Taenia solium
19.
Gall fly
20.
Hydra
21.
Aurelia
22.
( )
continuous
23.
( )
haploid
24.
( )
Hydra
25.
( )
apolysis
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