KSEAB 2nd PUC Karnataka Biology Model Test Paper 2024: Download FREE PDF

Board

Karnataka School Examination and Assessment Board (KSEAB)

Karnataka Board Official website link

kseab.karnataka.gov.in

Exam

Karnataka 2nd PUC Board Exam 2024

Academic Year

2023-2024

Theory Exam Schedule

March 1 - March 22, 2024

Exam Mode

Offline

Exam Time

10:15 a.m. to 1:30 p.m.

Subjects in KSEAB 2nd PUC

Kannada, Arabic, Mathematics, Education, Political Science, Statistics, Information and Technology, Retail, Automobile, Health care, Beauty, and wellness, History, Physics, Optional Kannada, Accountancy, Geology, Home Science, Logic, business studies, English, Hindustani music, Psychology, Chemistry, Basic Maths, Economics, Geography, Biology, Sociology, Electronics, Computer Science, Tamil, Telugu, Malayalam, Marathi, Urdu, Sanskrit, French, Hindi

PART – A 

I. Select the correct alternative from the choices given below: 1 x 15 = 15

1. Haploid condition is not observed in which of the following cells

a) Synergids and Egg 

b) Zygote and PEN

c) Antipodal and Egg 

d) Antipodal and Synergids

2. Statement I: Formation of fruit without fertilization is called apomixis

Statement II: In some species of Asteraceae and grasses seeds are formed without fertilization

a) Both Statement I and Statement II are correct

b) Both Statement I and Statement II are incorrect

c) Statement I is correct and Statement II is incorrect

d) Statement I is incorrect and Statement II is correct

3. During gestation the foetus develops limbs and digits by the end

a) First month 

b) Second month 

c) Third month 

d) Fifth month

4. The secondary oocyte after ovulation is covered by a non-cellular layer of

a) Cumulus oophorus 

b) Corona radiata

c) Zona pellucida 

d) Cortical layer

5. An example of hormone releasing IUD among the following

a) Cu – 7 

b) Lippes loop 

c) LNG – 20 

d) Multiload 375

6. Which of the following is a foetal sex determination test?

a) ZIFT 

b) GIFT 

c) MTP 

d) Amniocentesis

7. Which of the following Mendelian gene disorder is the representation of autosomal recessive trait?

a) Hemophilia 

b) Thalassemia 

c) Sickle cell anemia 

d) Myotonic dystrophy

8. The process of removal of introns and joining of exons in a defined order in a primary transcripts occurs in

a) Prokaryotes 

b) Eukaryotes

c) Prokaryotes and Eukaryotes 

d) Prokaryotes and Protista

9. A type of Natural selection in which more individuals acquire mean character value is called

a) Stabilizing selection 

b) Disruptive selection

c) Directional selection 

d) Dominant selection

10. Drug called “Heroin is synthesized by

a) Methylation of Morphine 

b) demethylation of Morphine

c) Acetylation of Morphine 

d) deacetylation of Morphine

11. The fungus not used in the production of any Industrial product is

a) Penicillium 

b) Aspergillus 

c) Trichoderma polysporum 

d) Glomus

12. Significance of Insertional inactivation method in Recombinant DNA technology is to

a) Introduce the recombinants 

b) Isolate gene of Interest

c) Select the recombinants 

d) Select the gene of interest

13. Which of the following organisms are studied by Cornell’s in his elegant field experiments to study competition

a) Warbler species 

b) Chathamalus and Balanus 

c) Cucko and Crow 

d) Cattle egret and grazing cattle

14. The correct sequence in the process of decomposition is

a) Humification----Leaching----Catabolism---- Mineralisation ----Fragmentation

b) Catabolism----Leaching----Fragmentation----Humification---- Mineralisation

c) Leaching----Fragmentation ----Catabolism----Humification---- Mineralisation

d) Fragmentation ----Leaching----Catabolism-----Humification----Mineralisation

15. Western Ghats have a greater diversity of

a) Amphibians 

b) Reptiles 

c) Aves 

d) Mammals

II. Fill in the blanks by choosing the appropriate word/Words from those given below: 1 x 5 = 5

(Commensalism, Alveoli,Ammensalism, Panspermia, Codominance, Perisperm)

16. The residual, persistent nucellus is called-------

17. The cells of ------------secrete milk in the mammary glands.

18. AB blood group inheritance is an example for -------------

19. --------- is the theory that proposes that units of life called spores were transferred to different planets including earth

20. A population interaction in which one species is harmed and the other species is unaffected is ----------

Download Karnataka KSEAB 2nd PUC Inter Biology Model Paper 2024 PDF 

Question Paper Part

Question type

Number of questions

Marks

PART – A I

MCQ

15

15

PART – A II

FILL IN THE BLANKS

05

05

PART – B III

SHORT ANSWERS (2 MARKS)

08

16

PART – C IV

SHORT ANSWERS (3 MARKS)

08

24

PART – D V

LONG ANSWERS (5 MARKS)

08

40

PART – D VI

LONG ANSWERS (5 MARKS)

03

15

TOTAL

47

115

Chapter

No. of periods

Marks

Remember

Understand

Application

HOTS

MCQ

SA2

SA3

LA

MCQ

SA2

SA3

LA

MCQ

SA2

SA3

LA

MCQ

SA

LA

1. Sexual reproduction in

flowering plants

12

11

1

*

*

1

1

*

1

*

*

*

*

*

1

2. Human reproduction

11

11

1

*

1

*

1

1

*

*

*

1

*

3. Reproductive health

7

6

1

1

*

*

1

*

1

*

*

*

*

*

4. Principles of

Inheritance

15

14

*

1

*

1

*

1

*

*

*

1

*

1

5. Molecular basis of

Inheritance

15

14

*

1

1

*

1

*

*

*

1

*

*

6. Evolution

8

7

1

1

*

1

*

1

*

*

*

*

*

*

*

7. Human health and

disease

13

13

1

1

*

*

*

*

*

*

1

*

1

8. Microbes in Human

welfare

8

8

1

1

*

*

*

1

*

*

*

*

*

*

9. Biotechnology: Principles and

Processes

8

8

*

*

*

1

*

*

*

1

1

*

*

10. Biotechnology and its

applications

7

6

*

1

*

*

1

*

*

*

*

*

*

*

11. Organism and

population

6

7

1

*

1

1

*

*

*

*

*

*

*

*

12. Ecosystem

5

5

1

1

*

*

1

*

*

*

*

*

*

*

13. Biodiversity and

Conservation

5

5

1

1

*

*

*

*

*

*

*

*

*

*

Total

120

115

07

07

03

03

05

03

03

04

03

00

01

05

00

03