CUET (UG) 2027 Sample Paper (Biology)

SAMPLE PAPER

S A M P L E Q U E S T I O N P A P E R

CUET (UG) 2027 (Biology)
Modelled on the actual exam pattern
.

QUESTIONS MAX MARKS TIME MARKING

50 250 60 Min +5 / −1

GENERAL INSTRUCTIONS

1. This paper contains 50 multiple-choice questions. All questions are compulsory.

2. Each question has four options — (A), (B), (C) and (D) — of which only one is correct.

3. Each correct answer carries 5 marks; 1 mark is deducted for each wrong answer.

4. Total time allowed is 60 minutes. Manage your time across all sections.

5. Use of calculators, mobile phones or any electronic device is not permitted.

6. Attempt the paper first, then check your answers against the Answer Key at the end.

Candidate Name: Roll No.: Date:

SAMPLE PAPER

CUET (UG) 2027 (Biology)
SAMPLE QUESTION PAPER

Questions 50 Max Marks 250 Time 60 Min Marking +5 / −1

Attempt all questions. Choose the one correct option for each.

BIOLOGY

1. 2.

The primary lymphoid organ is Which one of the following is not an example of adaptive
radiation ?
(A)
(A)
Lymph nodes
Australian Marsupials
(B)
(B)
Bone marrow
Australian Placental Mammals
(C)
(C)
Tonsils
Moths in England
(D)
(D)
Spleen
Darwins Finches

3. 4.

Agarose is extracted from The shape of pyramids gives the reflection of growth
status of a population. Identify the growth status
(A) depicted by the given pyramid.

Bacteria

(B)

Marine animals

(C)

(A)
Sea weeds

Expanding
(D)

(B)
Fungi

Declining

(C)

Exploding

(D)

Stable

5. 6.

The fragments of DNA separate on agarose gel, based on Vertical distribution of different species occupying
the different level is called :

(A) (A)

Size of fragments Fragmentation

(B) (B)

Charge of each fragment Stratification

(C) (C)

Colour of fragment Humification

(D) (D)

Type of DNA Primary production

7. 8.

New breed of sheep is developed by . The separated DNA mini can be visualised after staining
with followed by exposure to
(A)
(A)
Cross breeding
B-galactosidase, UV radiation
(B)
(B)
Inbreeding
B-galactosidase, Gamma radiation
(C)
(C)
Outcrossing
Ethidium bromide, UV radiation
(D)
(D)
Interspecific hybridization
Ethidium bromide, Gamma radiation

9. 10.

A students was repeating the experiments of Alfred What is elution ?
Hershey and Maltha Chase (1952). Results obtained by
him are shown in the given figure. Select the biomolecule (A)

that was radio actively labelled by the students for his
It is movement of negatively charged DNA fragments
experiment.
through agarose gel.

(B)

Extraction of DNA from the host

(C)

Extraction of DNA and treatment with restriction
endonuclease

(A) (D)

DNA of bacteriophage with radio active Phosphorous Cutting of separated DNA fragments from agarose gel and
extraction of DNAG fragment
(B)

Plasmid DNA of E. coli with radio active Sulphur

(C)

Proteins of bacteriophage with radio active Sulphur

(D)

Chromosomal mol DNA of E. coli with radio active Sulphur

11.

Individuals with karyotype of 44+XXY having overall
masculine development with few feminine development
like Gynecomastia has chromosomal disorder. ;

(A)

Klinefelter’s Syndrome

(B)

Turner’s Syndrome

(C)

Down’s Syndrome

(D)

Acquired Immuno Deficiency Syndrome

12.

Select the statements that are CORRECT regarding patterns of biodiversity.

(A) Species diversity increases as we move away from the equator towards the poles

(B) The tropical Amazon rain forest in South America has the greatest biodiversity on earth.

(C) There is more solar energy available in the temperate region than tropics.

(D) Tropical environments are less seasonal relatively more constant and predictable

(E) A. Humboldt observed that within a region, species richness decreases with increasing explored area, up to a limit.

Choose the correct answer from the options given below :

(A)

(A) and (E) only

(B)

(B) and (C) only

(C)

(B) and (D) only

(D)

(C), (D) and (&) only

13. 14.

Which of the following is incorrect about oral Question Type: || MCQ ‘Golden rice’ variety of rice shows
contraceptive pill ‘Saheli’ ? :

(A) (A)

It is taken by females enhanced nutritional value of food

(B) (B)

It has very few side effects less post harvest loss

(C) (C)

It is a steroidal preparation. tolerence to abiotic stress

(D) (D)

It is ‘Once a week’ pill pest resistance

15.

Given below are two statements :

Statement I: Ladybird and Dragonflies are useful to get rid of aphids and mosquitoes. Trichoderma fungus are
effective bio control agents of several plant pathogens.

Statement II: The biological control of plant diseases and pest can control increasing use of insecticides and
pesticides, thus saving our environment from being getting polluted.

“ In the light of the above statements, choose the most appropriate answer from the options given below:

(A)

(1) Both Statement I and Statement II are correct

(B)

Both Statement I and Statement II are incorrect

(C)

Statement I is correct but Statement II is incorrect

(D)

Statement I is incorrect but Statement II is correct

16. 17.

Sequentially arrange the developmental stages of human Arrange the stages of bio magnification of DDT.
spermatozoon :
(A) Fish eating birds (PPT 25 PPm)
(A) Secondary Spermatocyte
(B) Small fish (DDT 0.5 PPm)
(B) Spermatid
(C) Zooplankton (DDT 0.04 PPm)
(C) Spermatozoa
(D) Water (DDT 0.003 PPb)
(D) Spermatogonia
(E) Large fish (DDT 2 PPm)
(E) Primary spermatocytes
Choose the correct answer from the options given below :
Choose the correct answer from the options given below
: (A)

B-->C--->E---->A--->D
(A)

(E), (A), (D), (B), C) (B)

D-->C-->B--->E--->A
(B)

(E), (A), (D), (C), (B) (C)

D--->B--->C--->E-->A
(C)

(E), (A), (C), (D), (B) (D)

E--->D--->B--->C--->A
(D)

(D), (E), (A), (B), (C)

18. 19.

Why was Drosophila melanogaster used for studies in To prove theory of mutation, Hugo de Vries used plant.
Genetics ?
(A)
(A) They could be cultured easily in the monastery
Snap dragon or Antirrhinum
(B) They showed many contrasting traits

(B)
(C) The generation time was one year

Evening primrose
(D) There was clear differentiation of sexes

(E) Very few progeny were produced in a single mating (C)

Choose the correct answer from the options given below Dog flower

:
(D)

(A) Pisum Satioum

(B) and (D) only

(B)

(A) and (D) only

(C)

(B) and (C) only

(D)

(D) and (E) only

20. 21.

The reason for deviation from Mendel’s dihybrid cross in Which of the following is NOT secondary lymphoid organ
T.H. Morgan’s experiment is ?

(A) (A)

Pleiotropy Tonsils

(B) (B)

Linkage Thymus

(C) (C)

Overlapping Appendix

(D) (D)

Polygenic Inheritance Payer’s Patches

22. 23.

Complementary ds RNA which prevents translation is Which one of the following enzyme brings about
formed in hydrolysis of lactose to glucose and galactose ?

(A) (A)

PCR Transacetylase

(B) (B)

RNA interference Amylase

(C) (C)

Gene therapy Permease

(D) (D)

ELISA B-galactosidase

24. 25.

Among the animal on the planet, the species rich group
making more than 70% is

(A)

Fishes
Choose the correct answer from the options given below :

(B)
(A)
Mammals

(C)

(B)
Insects

(D)

(C) Reptiles

(D)

26. 27.

Which of the following is incorrect statement. Which of the following is NOT an application of PCR ?

(A) All blood cells including lymphocytes are produced in
(A)
bone marrow
Paternity testing
(B) Lymph nodes are small solid structures located at
different points along lymphatic system (B)

(C) Payer’s patches of small intestine is primary lymphoid Detection of mutations of genes in suspected cancer
organ. patient

(D) Antigen trapped in lymph node are responsible for
(C)
activation of lymphocytes present in lymph node and
causes immune response Powerful technique to identify genetic disorder

Choose the correct answer from the options given below (D)
:
To cure ADA (adenosine deaminase) deficiency

(A)

(C) only

(B)

(B) only

(C)

(A) only

(D)

(B) and (D) only

28. 29.

Given below are two statements :

Statement I: Phenylketonuria is an example of Pleiotropy

Statement II: Affected individuals lack an enzyme which
converts phenylalanine into tyrosine

In the light of the above statements,choose the most
appropriate answer from the options & given below :
Choose the correct answer from the options given below :

(A)
(A)
Both Statement I and Statement II are correct

(B)

Both Statement I and Statement II are incorrect (B)

(C)

Statement I is correct but Statement II is incorrect
(C)

(D)

Statement I is incorrect but Statement II is correct
(D)

(A)-III,B-(IV),(C)-II,(D)-I

30. 31.

The DNA fragments formed by treatment with Vegetative propagation in Eicchornia and Pistoia occurs
endonuclease are separated by by

(A) (A)

PCR Sucker

(B) (B)

Gel Electrophoresis Offset

(C) (C)

Cloning Runner

(D) (D)

Restriction digestion Stolon

32. 33.

Which of the following hormone is not produced by
placenta ?

(A)

hCG

Choose the correct answer from the options given below :
(B)

(A)
APL

(C)

estrogen (B)

(D)

androgens
(C)

(D)

0

34.

Match List - I with List - II.

(A) Natality (I) Number of individuals coming into the habitat from, elsewhere

(B) Molarity (II)Number of births in the population

(C) Immigration (II) Number of individuals leaving the habitat

(D) Emigration (IV) Number of deaths in the population

Choose the correct answer from the options given below :

(A)

(B)

(C)

(D)

35. 36.

Which enzymes are used for clarification of bottled fruit Match List - I with List - II.
juices ?

(A) Amylases

(B) Pectinases

(C) Proteases Choose the correct answer from the options given below :

(D) Lipases
(A)
Choose the correct answer from the options given below
:

(A) (B)

(A) only

(B)
(C)
(A) and (B) only

(C)
(D)
(B) and (C) only

(D)

(C) and (D) only

37. 38.

Which of the following is not a barrier method of birth Human activities like over cultivation, unrestricted
control. grazing, deforestation and poor irrigation practices result
into
(A)
(A)
Voults
Water Logging
(B)
(B)
Diaphragms
Soil erosion and desertification
(C)
(C)
Sterilization
Biomagnification
(D)
(D)
Cervical caps
Eutrophication

39. 40.

Which of the following option determines percolation and Which of the following is not is not the cause of
water holding capacity of soils ? ; biodiversity loss ?

(A) (A)

Climate Co-Extinction

(B) (B)

Grain size, soil composition and aggregation Over-exploitation

(C) (C)

Weathering process Endemism

(D) (D)

Soil development Alien species invasions

41. 42.

Mucous associated lymphoid tissue (MALT) is NOT found Replication of DNA is characterised by :
in :
(A) The direction of replication is 5' > 3'

(A) (B) Only template with 5' — 3' polarity is replicated.

Urinogenital tract (C) Replication is initiated at ori.

(B) (D) DNA polymerase catalyses the process.

Digestive tract (E) The daughter molecule formed has one parental
strand
(C)
Choose the correct answer from the options given below
Tonsils :

(D)
(A)

Respiratory tract
(A), (B), (D), (E)

(B)

(A), (B), (C), (D)

(C)

(A), (C), (D), (E)

(D)

(B), (C), (D), (E)

43. 44.

The term “Clone” is used to describe the offspring that Which of the following is not feature of spleen ?
are :
(A)
(A)
It is large reservoir of erythrocyte.
Morphologically identical only
(B)
(B)
It acts as filter of blood.
Morphologically and genetically identical
(C)
(C)
It shows reduction in size from birth to puberty
Morphologically identical but genetically different
(D)
(D)
It is a bean shaped organ containing Lymphocyte and
Genetically identical only Phagocyte

45. 46.

Flowers are a fascinating organ of Angiosperms. Flowers Which of the following statements are correct ?
are considered the object of aesthetic, ornamental, social
(A) Certain mass of living material at each trophic level is
and cultural value. Biologically flower is a
called as standing crop.

(A) (B) The crop that can withstand adverse conditions is
called standing crop
Modified root

(C) The amount of nutrients in soil is called Biomass
(B)
(D) Only Biotic components make an Ecosystem
Modified shoot
(E) Most of Phytoplanktons are member of algae
(C)
Choose the correct answer from the options given below
Modified leaf :

(D)
(A)

Modified tuber
(A) and (E) only

(B)

(A), (C), (B) only

(C)

(A), (C) only

(D)

(B), (D) only

47. 48.

Types of cells in 2 celled pollen grains are Which part of the sperm help in its entry into the
cytoplasm of the ovum ?
(A)
(A)
Central cell and Synergies
Plasma membrane
(B)
(B)
Antipodal and Megaspore
Nucleus
(C)
(C)
Micropylar and Filliform
Neck
(D)
(D)
Vegetative and Generative
Acrosome

49. 50.

List - I In the technology called MOET, which one of the following
List - II hormones is used ?

(A)

LH

(B)

Choose the correct answer from the options given below : ACTH

(C)
(A)

FSH

(D)
(B)
TSH

(C)

(D)

ANSWER KEY

1. (B) 2. (C) 3. (C) 4. (D) 5. (A) 6. (B) 7. (A)

8. (C) 9. (A) 10. (D) 11. (A) 12. (C) 13. (C) 14. (A)

15. (A) 16. (D)Get Free Sample17. (B) Question Papers,
Papers, 18. (A)Tests & Study Material
Mock 19. (B)at aglasem.com20. (B) 21. (B)

22. (B) 23. (D) 24. (D) 25. (C) 26. (A) 27. (D) 28. (A)

29. (D) 30. (B) 31. (B) 32. (D) 33. (B) 34. (A) 35. (C)

36. (A) 37. (C) 38. (B) 39. (B) 40. (C) 41. (C) 42. (C)

43. (B) 44. (C) 45. (B) 46. (A) 47. (D) 48. (D) 49. (B)

50. (C)