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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.
latest Creative QuestionsDownload 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 mismatched pair.
Paedogenesis - Liver fluke
Strobilation - Aurelia
Amphitoky - Honeybee
Encystment - Amoeba
2.
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
3.
Transverse binary fission is noticed in _________________
Amoeba
Planaria
Ceratium
Vorticella
4.
A few statements describing certain features of reproduction are given below. Select the options that are true for both sexual and asexual reproduction from the options given:
(i) Gametic fusion takes place
(ii) Transfer of genetic material takes place
(iii) Reduction division takes place
(iv) Progeny have some resemblance, with parents
i and ii
ii and iii
ii and iv
i and ii
5.
Capacitation is a _____ event.
physical
biochemical
both a and c
Enzyme mediated
6.
Among the extra embryonic membranes the _____ is the outer most membrane.
amnion
chorion
allantois
vitelline membrane
7.
The corpus luteum secretes large amount of ______
testosterone
relaxin
oestrogen
progesterone
8.
The whole process of spermatogenesis takes about ______ days.
25
42
64
72
9.

Identify the correct option to label the diagram Identify the structure
1- Immature proglottids
2 - Gravid proglottids
3 - Scolex
4 - Mature proglottids
5 - Neck
1-C 2-E 3-A 4-D 5-B
1-B 2-D 3-C 4-E 5-A
1-D 2-E 3-B 4-C 5-A
1-A 2-E 3-D 4-B 5-C
10.

Identify the correct option to label the diagram
1 - Archaeocytes
2 - Inner membrane
3 - Micropyle
4 - Outer membrane
5 - Monaxonspicules
1-A 2-D 3-B 4-C 5-E
1-C 2-B 3-A 4-E 5-D
1-D 2-E 3-B 4-C 5-A
1-A 2-E 3-D 4-B 5-C
11.
Paedogenetic parthenogenesis is seen in ______
planula larvae of enidarians
Cydippid larvae of pleurobranchia
Redia larvae of liver fluke
Trochophore larvae of Annelids
12.
The sexual union of young individuals produced immediately after the division of the parent Cell is called _____
Paedogamy
hologamy
merogamy
isogamy
13.
Regeneration was first studied in _______
star fish
Planaria
Hydra
Aurelia
14.
The gravid proglottids are cut off from the parent body in ______
Tapeworm (Taenia solium)
Liver fluke
Planaria
Blood fluke
15.
In honey bees, the unfertilized egg produces
Queen bee
Worker bee
Drones
Worker bee and male honey bee
16.
All the following animals are continuous breeders, except.
Frogs
Honey bees
Poultry
Rabbit
17.
All of the following are methods of asexual reproduction except
Regeneration
Conjugation
Sporulation
Fragmentation
18.
Human beings exhibit ______
Hologamy
Exogamy
Isogamy
Paedogammy
19.
Conjugation is seen in _____
Vorticella
Amoeba
Reptiles
Actinosphaerium
20.
If the entire organism behaves as a gamete the Phenomenon is called _____
Autogamy
Syngamy
Morphallaxis
Hologamy
21.
Budding is seen in ______
Noctiluca
Amoeba
Nostoc
Planaria
22.
Giant Amoeba refers to ______
Opalina
Pelomyxa
Ceratium
Trichonympha
23.
During favourable conditions ______ shows multiple fission.
Plasmodium
Amoeba
Planaria
Euglena
24.
Assertion (A): The acrosome of the Sperm cell contains Sperm lysin.
Reason (R): Sperm lysin destroys the deformed Sperm cells.
R explains A
A is right R is wrong
A an R are right R does not explains A
Both A and R are wrong
25.
Assertion (A): Asexual reproduction is called blastogenic reproduction.
Reason (R): It is accomplished by mitotic and meiotic divisions.
Codes:
A. A and R are correct
B. A is correct but R is incorrect
C. Both A and R are incorrect
D. R is the correct explanation for A
A and R are correct
A is correct but R is incorrect
Both A and R are incorrect
R is the correct explanation for A
1.
(c)
Amphitoky - Honeybee
2.
(c)
Ovoviviparous animals lays eggs and then hatch it to young ones.
3.
(b)
Planaria
4.
(c)
ii and iv
5.
(b)
biochemical
6.
(b)
chorion
7.
(d)
progesterone
8.
(c)
64
9.
(a)
1-C 2-E 3-A 4-D 5-B
10.
(c)
1-D 2-E 3-B 4-C 5-A
11.
(c)
Redia larvae of liver fluke
12.
(a)
Paedogamy
13.
(c)
Hydra
14.
(a)
Tapeworm (Taenia solium)
15.
(c)
Drones
16.
(a)
Frogs
17.
(d)
Fragmentation
18.
(b)
Exogamy
19.
(a)
Vorticella
20.
(d)
Hologamy
21.
(a)
Noctiluca
22.
(b)
Pelomyxa
23.
(b)
Amoeba
24.
(b)
A is right R is wrong
25.
B. A is correct but R is incorrect
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