12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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Published on: 05/11/2020
12th Standard Zoology - Reproduction in Organisms English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021
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 mismatched pair.
Paedogenesis - Liver fluke
Strobilation - Aurelia
Amphitoky - Honeybee
Encystment - Amoeba
2.
Which among the following animal is not a continuous breeder?
Hen
Rabbit
Honey bees
Frogs
3.
Taenia solium _________________ requires as a secondary host to complete its life cycle.
Mosquito
pig
dog
human
4.
Transverse binary fission is noticed in _________________
Amoeba
Planaria
Ceratium
Vorticella
5.
During favourable conditions ______ shows multiple fission.
Plasmodium
Amoeba
Planaria
Euglena
6.
In, dinoflagellates the types of asexual reproduction seen is _____
Simple Binary fission
Multiple fission
Oblique binary fission
Longitudinal binary fission
7.
Animals giving birth to young ones:
Oviparous
Oviviviparous
Viviparous
Both a and b
8.
Assertion (A): Syngamy refers to the fusion of two haploid gametes.
Reason (R): Syngamy leads to zygote formation.
Codes:
A. A and R are correct.
B. A and R are incorrect.
C. R is not the right explanation for A
D. A is correct but R is incorrect
A and R are correct.
A and R are incorrect.
R is not the right explanation for A
A is correct but R is incorrect
9.
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
10.
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 (A): Offsprings produced by asexual reproduction are genetically identical to the parent.
Reason(R): Asexual reproduction involves only mitosis and no meiosis.
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.
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.
1.
(c)
Amphitoky - Honeybee
2.
(d)
Frogs
3.
(b)
pig
4.
(b)
Planaria
5.
(b)
Amoeba
6.
(c)
Oblique binary fission
7.
(c)
Viviparous
8.
A. A and R are correct.
9.
B. A is correct but R is incorrect
10.
A. If both A and R are true and R is correct explanation for A
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards