12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
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 Biology English Medium Free Online Test Creative 1 Mark Questions - Part Five
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.
The RNA polymerase of prokaryotes binds with ____________ factor to initiate polymerization.
rho
theta
sigma
psi
2.
Which is not an indice of species diversity?
Alpha diversity
Beta diversity
Delta diversity
Gamma diversity
3.
A pair of fungal disease _____________
Amoebiasis, Kala-azar
Candidiasis, Athlete's foot
Ascariasis, Filariasis
Poliomyelitis, Amoebiasis
4.
Yellow fever is a _____________ type of disease.
Neurotropic
Viscerotropic
Pneumotropic
Dermotropic
5.
Assertion (A): Pleiotropic gene affects multiple traits
Reason (R): ABO blood group is an example for Pleiotropy
A and R are correct R explains A
A and R are incorrect
A is correct R is incorrect
A is incorrect R is correct
6.
Identify the free living nitrogen fixing bacteria______
Azotobacter
Rhizobium
Glomus
Ideonella sakaiensis
7.
______ cells nourish the sperms.
Leydig cells
Interstitial cells
Spermatogonic cells
Sertoli cells
8.
Continuous consumption of alcohol affects ___________
Heart
Kidney
liver
brain
9.
Isogamy is observed in ______
Monocystis
Mammals
Trichonympha
Reptiles
10.
In gypsy moth we find _________ type of sex determination.
ZW - ZZ
XX - XY
XX - XO
ZO - ZZ
1.
(c)
sigma
2.
(c)
Delta diversity
3.
(b)
Candidiasis, Athlete's foot
4.
(b)
Viscerotropic
5.
(c)
A is correct R is incorrect
6.
(a)
Azotobacter
7.
(d)
Sertoli cells
8.
(c)
liver
9.
(a)
Monocystis
10.
(a)
ZW - ZZ
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
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NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
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
