12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
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
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 05/11/2020
12th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Four
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.
Assertion (A): Diapause is carried out to overcome abiotic stress.
Reason (R): Animals become inactive during winter.
Both A and R are correct R explain A
A is correct R is incorrect
R does not explain A
Both A and R are incorrect
2.
Wild ass is endemic to____________
Western Ghats
Deccan Peninsula
Himalayas
Indian desert
3.
ABO blood group is a classical example for __________
Polygenic inheritance
Incomplete dominance
Epistasis
Dominance
4.
Consider the following four conditions (A-D) and select the correct pair of them as adaptation to environment in desert lizards.
The conditions:
A) Burrowing in soil to escape high temperature.
B) Losing heat rapidly from the body during high temperature
C) Bask in sun when temperature is low
D) Insulating body due to thick fatty dermis.
(A) and (C)
(B) and (D)
(A) and (B)
(C) and (D)
5.
IUCN has its headquarters in _______________
New York
New Delhi
Columbia
Switzerland
6.
This is not Major task of RCH.
Vaccinating the mother and child for infectious diseases
Introducing six education in Schools
Educating couples about the available with control
Creating awareness about care for pregnant Women
7.
Attachment of blastocyst to the uterine wall is called ______
Implantation
Parturition
Insemination
gastrulation
8.
___________ used radioactive labelled molecules to prove that DNA is the genetic material.
Hershey and Chase
Wilkins and Franklin
Griffith
Mcleod and Avery
9.
Gemmules are ______
Exogenous growth
Daughter nuclei
Internal buds
Regenerated parts
10.
Depending on position of centromere and relative length of two arms human chromosomes can be classified into ________ type.
2
3
4
5
1.
(a)
Both A and R are correct R explain A
2.
(d)
Indian desert
3.
(d)
Dominance
4.
(a)
(A) and (C)
5.
(d)
Switzerland
6.
(a)
Vaccinating the mother and child for infectious diseases
7.
(a)
Implantation
8.
(a)
Hershey and Chase
9.
(c)
Internal buds
10.
(c)
4
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
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
