Read and download PDF of CBSE Class 12 Biology Sample Paper 2023 Solved designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Biology Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Biology Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Biology Question Papers available on our website to build strong understanding of the subject
Sample Paper for Class 12 Biology Pdf
Students can refer to the below Class 12 Biology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biology Sample Paper 2023 Solved
Biology Class 12 Sample Paper
SECTION - A
Question
1. An infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results?
(a) Zygote only
(b) Zygote or early embryo upto 8 blastomeres
(c) Embryos with more than 8 blastomeres
(d) Blastocyst Stage
Answer : B
2. Given below are four contraceptive methods and their modes of action. Select the correct match:
(a) a)–(i) b)–(ii) c)– (iii) d)–(iv)
(b) a)–(ii) b)–(iii) c)–(iii) d) – (i)
(c) a)–(iii) b)–(iv) c)–(ii) d)–(i)
(d) a)–(iv) b)–(i) c)– (iii) d)–(ii)
Answer : C
3 Which of the following amino acid residues will constitute the histone core?
(a) Lysine and Arginine
(b) Asparagine and Arginine
(c) Glutamine and Lysine
(d) Asparagine and Glutamine
Answer : A
4 Evolutionary convergence is development of a
(a) common set of functions in groups of different ancestry.
(b) dissimilar set of functions in closely related groups.
(c) common set of structures in closely related groups.
(d) dissimilar set of functions in unrelated groups.
Answer : A
5. Apis mellifera are killer bees possessing toxic bee venom. Identify the treatment and the type of immunity developed from the given table to treat a person against the venom of this bee. Remedy Immunity
(a) Inactivated proteins Active
(b) Proteins of the venom Passive
(c) Preformed antibodies Passive
(d) Dead micro-organisms Active
Answer : C
6. Interferons are most effective in making non-infected cells resistant against the spread of which of the following diseases in humans?
(a) ascariasis
(b) ringworm
(c) amoebiasis
(d) AIDS
Answer : D
7. Which of the following water samples in the table given below, will have a higher concentration of organic matter?
Answer : A
8. The figure below shows the structure of a plasmid.
A foreign DNA was ligated at BamH1. The transformants were then grown in a medium containing antibiotics tetracycline and ampicillin.
Choose the correct observation for the growth of bacterial colonies from the given table
Answer : B
9. Swathi was growing a bacterial colony in a culture flask under ideal laboratory conditions where the resources are replenished. Which of the following equations will represent the growth in this case?
(Where population size is N, birth rate is b, death rate is d, unit time period is t, and carrying capacity is K).
(a) dN/dt = KN
(b) dN/dt = r N
(c) dN/dt = r N(K-N/K)
(d) dN/dt = r N(K+N/K)
Answer : B
10. Sea Anemone gets attached to the surface of the hermit crab. The kind of population interaction exhibited in this case is
(a) amensalism.
(b) commensalism.
(c) mutualism.
(d) parasitism.
Answer : B
11. Which of the following food chains is the major conduit for energy flow in terrestrial and aquatic ecosystems respectively? Terrestrial Ecosystem Aquatic Ecosystem
(a) Grazing Grazing
(b) Detritus Detritus
(c) Detritus Grazing
(d) Grazing Detritus
Answer : C
12 Which of the following is an example of ex situ conservation?
(a) Sacred Groves
(b) National Park
(c) Biosphere Reserve
(d) Seed Bank
Answer : D
CBSE Class 12 Biology Boards 2020 Sample Paper Solved |
CBSE Class 12 Biology Sample Paper 2020 Solved Set A |
CBSE Class 12 Biology Sample Paper 2020 Solved Set B |
CBSE Class 12 Biology Sample Paper 2019 Solved |
CBSE Class 12 Biology Sample Paper 2019 Solved Set A |
CBSE Class 12 Biology Sample Papers 2011 Set A |
CBSE Class 12 Biology Sample Papers 2011 Set B |
CBSE Class 12 Biology Sample Papers 2011 Set C |
CBSE Class 12 Biology Sample Papers 2011 Set D |
CBSE Class 12 Biology Sample Paper 2010 Set A |
CBSE Class 12 Biology Sample Paper 2010 Set B |
CBSE Class 12 Biology Sample Paper 2010 Solved Set C |
CBSE Class 12 Biology Sample Paper 2010 Solved Set D |
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Sample Paper Biology Class 12
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Class 12 Biology Sample Paper
The latest Sample Paper CBSE Class 12 Biology Sample Paper 2023 Solved covers all the topics which have been suggested by CBSE in their Class 12 Biology syllabus for the current year. By doing CBSE Class 12 Biology Sample Paper 2023 Solved you will understand the regular questions and MCQ questions for Class 12 Biology which are always asked and learn them so that you can get full marks in those questions.
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Biology Sample Paper Class 12 with Solutions
We have provided CBSE Class 12 Biology Sample Paper 2023 Solved with solutions. You will be able to understand the type of answers which you should write in Class 12 Biology exams to score good marks. You should attempt all the last year question paper for Class 12 and Class 12 Biology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 12 Biology set their questions in the exams.
CBSE Class 12 Biology Sample Paper with solutions
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