12th Standard Syllabus & Materials

12th Standard

TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Biology

12th Standard English Medium Biology (Zoology) Subject Creative 1 Mark Questions with Solution Part - II updated Creative Questions

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 Questions

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 Test

QB365 Student Learing Managemnet System

Std: 12th Standard - Biology

chapter: - Creative Questions

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Multiple Choice Question

25 x 1 = 25

1.

Why is colostrum recommended to new born baby?

(a)

It contains higher amount of carbohydrates

(b)

It contains higher amount of fats

(c)

It contains Ig A antibodies

(d)

It contains Ig E antibodies

2.

Which among the following animals exhibit ovoviviparity?

(a)

frog

(b)

shark

(c)

sheep

(d)

hen

3.

The entire process of spermatogenesis takes about _______________ days

(a)

60 days

(b)

44 days

(c)

64 days

(d)

50 days

4.

Identify the given figure and select the correct option representing X,Y and Z

(a)

X	Y	Z
Nucleus	Acrosome	Mitochondria

(b)

X	Y	Z
Acrosome	Nucleus	Mitochondria

(c)

X	Y	Z
Mitochondria	Acrosome	Nucleus

(d)

X	Y	Z
Nucleus	Acrosome	Mitochondria

5.

Statement (1): The endometrium acts as transitory endocrine gland secreting progesterone
Statement (2): Progesterone maintains pregnancy

(a)

Statement 1 is correct; statement 2 is incorrect

(b)

Statement 1 is incorrect; statement 2-is correct

(c)

Both the statements 1 and 2 are correct.

(d)

Both the statements 1 and 2 are incorrect.

6.

Organ of copulation in human female is __________________

(a)

Cevix

(b)

Fundus

(c)

Vagina

(d)

Uterus

7.

Which of the following is Not a natural contraceptive?

(a)

Rhythm method

(b)

Lactational amenorrhoea

(c)

Progestasert

(d)

Continuous abstinence

8.

Hormones secreted by placenta to maintain pregnancy are

(a)

hCG, hPL, progesterone, estrogen

(b)

hCG, hPL, estrogen, relaxin, oxytocin

(c)

hCG, hPL, progesterone, prolactin

(d)

hCG, progesterone, estrogen, glucocorticoids

9.

Identify the correct statement on 'inhibition'.

(a)

is produced by granulose cells in ovary and inhibits the secretion of FSH

(b)

is produced by granulose cells in ovary and inhibits the secretion of LH

(c)

is produced by nurse cells in testes and inhibits the secretion of LH

(d)

inhibits the secretion of LH, FSH and prolactin.

10.

_____ is an example of a contraceptive pill.

(a)

Alesse

(b)

Ortho Tri-cyclen

(c)

Saheli

(d)

Eryosterol

11.

______ is needed for normal functioning of reproductive structures

(a)

Vitamin A

(b)

Vitamin E

(c)

Vitamin B

(d)

Vitamin C

12.

LH surge is seen in ______ phase of menstrual cycle.

(a)

follicular phase

(b)

luteal phase

(c)

ovulatory

(d)

menstrual

13.

The ruptured Graafian follicle forms ______

(a)

corpus luteum

(b)

primary follicle

(c)

oogonia

(d)

secondary follicle

14.

'Let Down' reflex for lactation is caused by ______

(a)

Prolactin

(b)

Oxytocin

(c)

Lactogenic hormone

(d)

Progesterone

15.

Identify the correct option to label the diagram
1 - Bud forming
2 - Osculum
3 - Bud growing
4 - Daughter individual
5 - Individual parent

(a)

1-A 2-D 3-B 4-C 5-E

(b)

1-B 2-D 3-C 4-E 5-A

(c)

1-D 2-E 3-B 4-C 5-A

(d)

1-A 2-E 3-D 4-B 5-C

16.

In _____ types of natural parthenogenesis only females are produced.

(a)

Thelytoky

(b)

Arrhenotoky

(c)

Amphitoky

(d)

Arrhenotoky

17.

Regeneration was first studied by _______

(a)

A.G. Tansley

(b)

Charles Bonnet

(c)

Abraham Trembley

(d)

Walter Gilbert

18.

Endogenous buds are seen in ______

(a)

Trichonympha

(b)

Hydra

(c)

Actinosphaerium

(d)

Noctiluca

19.

In honey bees, the mode of reproduction is

(a)

Sexual and Asexual

(b)

Sexual and Parthenogenesis

(c)

Asexual and Parthenogenesis

(d)

All the above

20.

This is a method of sexual reproduction in which individuals of the same species temporarily write and exchange certain. amount of nuclear material and then get separated.

(a)

Syngamy

(b)

Conjugation

(c)

Parthenogenesis

(d)

Paedogenesis

21.

Technique used for cultivation of sponges is based on ______

(a)

Multiple fission

(b)

Parthenogenesis

(c)

Regeneration

(d)

Autogamy

22.

Autogamy is seen in ______

(a)

Paramecium

(b)

Plasmodium

(c)

Hydra

(d)

Amoeba

23.

Gemmules are ______

(a)

Exogenous growth

(b)

Daughter nuclei

(c)

Internal buds

(d)

Regenerated parts

24.

Patau's syndrome is called __________.

(a)

Trisomy - 21

(b)

Trisomy - 13

(c)

xxy males

(d)

xo females

25.

XX - XO type of sex determination is in ______.

(a)

Cockroaches

(b)

Drosophila

(c)

Humans

(d)

Moths

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Multiple Choice Question

25 x 1 = 25

1.

(c)
It contains Ig A antibodies

2.

(b)
shark

3.

(c)
64 days

4.

(b)

X Y Z

Acrosome Nucleus Mitochondria

5.

(b)
Statement 1 is incorrect; statement 2-is correct

6.

(c)
Vagina

7.

(c)
Progestasert

8.

(b)
hCG, hPL, estrogen, relaxin, oxytocin

9.

(a)
is produced by granulose cells in ovary and inhibits the secretion of FSH

10.

(c)
Saheli

11.

(b)
Vitamin E

12.

(c)
ovulatory

13.

(a)
corpus luteum

14.

(b)
Oxytocin

15.

(b)
1-B 2-D 3-C 4-E 5-A

16.

(a)
Thelytoky

17.

(c)
Abraham Trembley

18.

(d)
Noctiluca

19.

(b)
Sexual and Parthenogenesis

20.

(b)
Conjugation

21.

(c)
Regeneration

22.

(a)
Paramecium

23.

(c)
Internal buds

24.

(b)
Trisomy - 13

25.

(a)
Cockroaches

12th Standard Syllabus & Materials

12th Standard

TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A

12th Standard

TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A

NEW MCQ Practice Test - Tamilnadu Stateboard Class 12

Biology Tamilnadu Stateboard Class 12 MCQ Practice Test

Practice More MCQs

Biology Tamilnadu Stateboard Class 12 MCQ Practice Tests

Tamilnadu Stateboard Class 12 MCQ Practice Test

Practice More MCQs

Tamilnadu Stateboard Class 12 MCQ Practice Tests

12th Standard Study Materials

Books

Syllabus

Exam Pattern

Sample Question Papers

Previous Year Question Papers

Important Notes

MCQ Practice test

Map Questions

Book back Questions

Creative Questions

Important Questions And Answers

Assertion and Reason

YouTube preview

Tamilnadu Stateboard Standards

12th Standard

11th Standard

9th Standard

6th Standard

10th Standard

7th Standard

8th Standard

12th Standard English Medium Biology (Zoology) Subject Creative 1 Mark Questions with Solution Part - II updated Creative Questions | QB365