CUET 2026 Biology May 15 Shift 1 Question Paper- Download Answer Key and Solution PDF

CUET 2026 May 15 Shift 1 Biology Question Paper is available for download here. NTA is conducting the CUET 2026 exam from 11th May to 31st May.

CUET 2026 Biology exam consists of 50 questions for 250 marks to be attempted in 60 minutes.
As per the marking scheme, 5 marks are awarded for each correct answer, and 1 mark is deducted for incorrect answer.

Candidates can download CUET 2026 May 15 Shift 1 Biology Question Paper with Answer Key and Solution PDF from links provided below.

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CUET 2026 Biology May 15 Shift 1 Question Paper with Solution PDF

CUET May 15 Shift 1 Biology Question Paper 2026	Download PDF	Check Solutions

Question 1:

Which of the following plant hormones is primarily responsible for apical dominance?

(a) Cytokinin
(b) Auxin
(c) Ethylene
(d) Abscisic acid

Detailed Solution

Question 2:

In humans, the oxygen-carrying pigment haemoglobin is present in:

(a) Plasma
(b) Platelets
(c) Red blood cells
(d) White blood cells

Detailed Solution

Question 3:

Which of the following is the correct sequence of stages in mitosis?

(a) Prophase \(\rightarrow\) Metaphase \(\rightarrow\) Anaphase \(\rightarrow\) Telophase
(b) Metaphase \(\rightarrow\) Prophase \(\rightarrow\) Telophase \(\rightarrow\) Anaphase
(c) Anaphase \(\rightarrow\) Metaphase \(\rightarrow\) Prophase \(\rightarrow\) Telophase
(d) Telophase \(\rightarrow\) Anaphase \(\rightarrow\) Metaphase \(\rightarrow\) Prophase

Detailed Solution

Question 4:

The functional unit of kidney is:

(a) Neuron
(b) Alveolus
(c) Nephron
(d) Glomerulus

Detailed Solution

Question 5:

Which of the following organisms is used in the production of curd?

(a) Saccharomyces cerevisiae
(b) Lactobacillus
(c) Rhizobium
(d) Aspergillus

Detailed Solution

Question 6:

In the Hardy–Weinberg principle, genetic equilibrium is affected by:

(a) Mutation
(b) Gene migration
(c) Genetic drift
(d) All of these

Detailed Solution

Question 7:

The “powerhouse of the cell” is:

(a) Ribosome
(b) Nucleus
(c) Mitochondria
(d) Golgi apparatus

Detailed Solution

Question 8:

Which of the following diseases is caused by a protozoan?

(a) Tuberculosis
(b) Typhoid
(c) Malaria
(d) Ringworm

Detailed Solution

Question 9:

During photosynthesis, oxygen is released from:

(a) Carbon dioxide
(b) Water
(c) Chlorophyll
(d) Glucose

Detailed Solution

Question 10:

The contraceptive “Copper-T” prevents pregnancy by:

(a) Preventing ovulation
(b) Killing sperms in acidic medium
(c) Increasing phagocytosis of sperms
(d) Blocking implantation only

Detailed Solution

CUET UG 2026 Exam Pattern

Parameter	Details
Exam Name	Common University Entrance Test (CUET UG) 2026
Conducting Body	National Testing Agency (NTA)
Exam Mode	Computer-Based Test (CBT)
Exam Duration	60 minutes per test
Total Sections	3 (Languages, Domain Subjects, General Test)
Question Type	Multiple Choice Questions (MCQs)
Questions per Test	50 questions (all compulsory)
Marking Scheme	+5 for correct, -1 for incorrect
Maximum Marks	250 marks per test
Maximum Subject Choices	5 subjects in total
Syllabus Base	Class 12 NCERT (mainly for Domain Subjects)

CUET UG 2026 Question Paper Analysis

CUET Questions

1.
Which of the following is correctly matched?

Tapetum --- Mechanical support
Endothecium --- Pollen nourishment
Synergids --- Filiform apparatus
Antipodals --- Male gamete production

View Solution

2.
Identify the statements true for RNA. (i) RNA acts as a genetic material for some viruses.
(ii) RNA also functions as an adapter molecule.
(iii) RNA has hexose sugar as its backbone.
(iv) RNA also acts as catalyst in some cases.

(i), (ii) and (iii) only
(i), (ii) and (iv) only
(ii), (iii) and (iv) only
(i), (iii) and (iv) only

View Solution

3.
In DNA N-glycosidic linkage is present between:

Pentose sugar and phosphate group
Nitrogenous base and pentose sugar
Two nitrogenous bases
Two pentose sugars

View Solution

4.
Select correct statements regarding menstrual cycle in human female: (i) First menstruation begins at puberty and is called menopause.
(ii) Ovulation occurs around day 14 when progesterone is maximum.
(iii) In absence of fertilisation, corpus luteum degenerates causing menstruation.
(iv) Menstrual cycle ceases around 50 years of age.

(i) and (ii) only
(ii) and (iv) only
(i) and (iii) only
(iii) and (iv) only

View Solution

5.
Ribozyme is:

23S rRNA
28S rRNA
18S rRNA
5.8S rRNA

View Solution

6.
Arrange the following stages of development of a dicot embryo in the order of their occurrence: (i) Formation of heart shaped embryo
(ii) Formation of typical dicot embryo
(iii) Formation of zygote
(iv) Formation of globular embryo

(i), (ii), (iii), (iv)
(iii), (iv), (i), (ii)
(iii), (i), (ii), (iv)
(iv), (i), (ii), (iii)

View Solution

CUET 2026 Biology May 15 Shift 1 Question Paper- Download Answer Key and Solution PDF

CUET 2026 Biology May 15 Shift 1 Question Paper with Solution PDF

CUET UG 2026 Exam Pattern

CUET UG 2026 Question Paper Analysis

CUET Questions

1.
Which of the following is correctly matched?

2.
Identify the statements true for RNA. (i) RNA acts as a genetic material for some viruses.
(ii) RNA also functions as an adapter molecule.
(iii) RNA has hexose sugar as its backbone.
(iv) RNA also acts as catalyst in some cases.

3.
In DNA N-glycosidic linkage is present between:

5.
Ribozyme is:

6.
Arrange the following stages of development of a dicot embryo in the order of their occurrence: (i) Formation of heart shaped embryo
(ii) Formation of typical dicot embryo
(iii) Formation of zygote
(iv) Formation of globular embryo

Comments

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CUET 2026 Biology May 15 Shift 1 Question Paper with Solution PDF

CUET UG 2026 Exam Pattern

CUET UG 2026 Question Paper Analysis

CUET Questions

1.Which of the following is correctly matched?

2.Identify the statements true for RNA. (i) RNA acts as a genetic material for some viruses. (ii) RNA also functions as an adapter molecule. (iii) RNA has hexose sugar as its backbone. (iv) RNA also acts as catalyst in some cases.

3.In DNA N-glycosidic linkage is present between:

5.Ribozyme is:

6.Arrange the following stages of development of a dicot embryo in the order of their occurrence: (i) Formation of heart shaped embryo (ii) Formation of typical dicot embryo (iii) Formation of zygote (iv) Formation of globular embryo

Comments

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1.
Which of the following is correctly matched?

2.
Identify the statements true for RNA. (i) RNA acts as a genetic material for some viruses.
(ii) RNA also functions as an adapter molecule.
(iii) RNA has hexose sugar as its backbone.
(iv) RNA also acts as catalyst in some cases.

3.
In DNA N-glycosidic linkage is present between:

5.
Ribozyme is:

6.
Arrange the following stages of development of a dicot embryo in the order of their occurrence: (i) Formation of heart shaped embryo
(ii) Formation of typical dicot embryo
(iii) Formation of zygote
(iv) Formation of globular embryo