The CUET PG Botany exam 2025 will be conducted between 13th May and 3rd June 2025, as part of the National Testing Agency’s CUET PG entrance exam series. After the exam, candidates will be able to download the Botany question paper, official answer key, and detailed solution PDF for reference. The exam tests a candidate’s grasp of plant physiology, genetics, taxonomy, cell biology, ecology, and biotechnology, along with current advancements in botanical research.
Students must attempt 75 questions in 60 minutes. The total paper carries 300 marks, with +4 for every correct answer and -1 for each incorrect response.
CUET PG Botany 2025 Question Paper with Answer Key PDF
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CUET PG Botany 2025 Question Paper with Solutions
Transformation in bacteria was discovered by:
In angiosperms, which process involves the fusion of male gamete with the egg cell?
Which of the following is used to stain endospores?
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
Which of the following bacteria belong to the coliform group ?
A. Escherichia coli
B. Streptococcus faecalis
C. Clostridium perfringens
D. Bacillus
Choose the correct answer from the options given below:
To increase the amount of mugineic acid, rice plants were transformed (using Agrobacterium) with a fragment of barley genomic DNA containing two naat genes; naat-A and naat-B, encoding the subunits of the enzyme
Guttation occurs when:
A flower is hypogynous with axile placentation and swollen placenta. Which family does this flower belong to?
Flooding stress is also known as:
What is the role of NAD(P)H as a component of Nitrate reductase in Nitrogen fixation?
White jute is obtained from:
The major phytochemicals present in leaves of Camellia sinensis are:
A. Epicatechin gallate
B. Caffeine
C. Theobromine
D. Epigallocatechin gallate
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
The botanical name of Fenugreek (methi):
Match the LIST-I with LIST-II
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A specimen cited in the protologue is neither the holotype nor an isotype, nor one of the syntypes. This specimen is known as:
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
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In which of the following molecular markers, polymerase chain reaction (PCR) is required?
A. Restriction Fragment Length Polymorphism (RFLP)
B. Random Amplified Polymorphic DNAs (RAPD)
C. Amplified Fragment Length Polymorphism (AFLP)
D. Sequence-Tagged Sites (STSs)
Choose the correct answer from the options given below:
The genera which belongs to the family Characeae are:
A. Tolypella
B. Nitella
C. Nigella
D. Chara
Choose the correct answer from the options given below:
The elements of the xylem are:
A. Tracheids
B. Vessels
C. Xylem parenchyma
D. Sclereids
Choose the correct answer from the options given below :
The role of Bulliform cells in monocotyledonous leaves is :
Match the LIST-I with LIST-II
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Which of the following statements are correct regarding protein synthesis in eukaryotes?
A. 3'-Cap of mRNA present.
B. Ribosomes of 80S type dissociate into 40S and 60S subunits.
C. Translation is not simultaneous with transcription.
D. Initiation codon of mRNA is recognised by anticodon of Met-tRNA.
Choose the correct answer from the options given below:
Paracytic type of stomata are distinctive feature of:
Selaginella is also known as:
Specialised cells are generally found in the plant leaves which contain outgrowths of epidermal cell wall, made of calcium carbonate or silicon dioxide in a cellulose matrix are called as:
Which of the following amino acid is basic in nature?
The example of facultative CAM plant which carries on C₃ metabolism under unstressed conditions is:
Arrange the following substrates of the glycolysis pathway in a chronological order of their occurrence in the pathway, starting from Glucose.
A. Fructose-6-phosphate
B. Pyruvic acid
C. Glucose-6-phosphate
D. 2- Phosphoglycerate
Choose the correct answer from the options given below:
Identify the plants from the following which do not exhibit Kranz anatomy:
A. Aloe
B. Zea mays
C. Agave
D. Opuntia
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
What is the correct general scheme of the fungal succession on herbivore dung:
A. Basidiomycetes
B. Discomycetes
C. Phycomycetes
D. Pyrenomycetes
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Which of the following is a macrophyte?
The common inter-cellular parasitic algae among the following is:
The requirement of sunlight for the germination of seeds, is known as:
Among the following ecosystems, which has the least Net Primary Production (NPP)?
Which of the following is NOT the characteristic feature of xerophytic plants?
'Aconite', a drug used for nasal problems and sore throat, is obtained from tuberous roots of:
If the number of chromosomes in the egg cell of a plant is 8, then what would be the number of chromosomes in its endosperm?
Which of the following mutations is most likely to contribute to the development of cancer?
What is the correct sequence of Transmembrane multiprotein complexes of the electron transport chain during respiration?
A. Succinate dehydrogenase
B. NADH dehydrogenase
C. Cytochrome c oxidase
D. Cytochrome bc1 complex
Choose the correct answer from the options given below:
Which nitrogen fixing symbiont is associated with sugarcane as a host plant?
Cytokinin treatment extends the life span of detached Xanthium leaves by delaying chlorophyll and protein degradation. This experiment is called:
Which among the following is responsible for imparting blue and purple colour in some type of berries?
Synchytrium is __________ fungi.
During sexual reproduction in Rhizopus, projections from two compatible hyphae are attracted towards each other. These hyphae are called -
Arrange the stages in the life cycle of "Puccinia graminis" in correct order of their occurrence, starting from Triticum aestivum
A. Teliospores appear as black raised streaks along leaf sheaths and stems of infected plants.
B. Basidiospores are discharged by an explosive mechanism and disseminated by wind.
C. Uredinospores germinate on wheat and spread the disease rapidly, under favorable conditions.
D. Basidiospores germinate on the leaves of the alternate host.
Choose the correct answer from the options given below:
Which one of the following is a correct example of Fruticose Lichen?
In Sphagnum, the sporogonium is elevated by a special gametophytic structure known as:
Censer mechanism for spore dispersal from the capsule occurs in __________________.
Circinate vernation in ferns refers to -
The characteristic of Cleistogamous flowers is :
What is the role of Gibberellic acid in plants?
Which of the following hormones is synthesized from methionine?
The early development of monocot and dicot embryo is similar up to which stage?
Mesosome is a specialized and differentiated form of __________.
In which specific region of the chloroplast, does Calvin cycle occurs?
A eukaryotic cell is exposed to a chemical that inhibits the 5' capping of pre-mRNA. What is the most likely effect on translation?
What effect does the hypermethylation of promoter regions typically have on gene expression?
Treating chromatin with a non specific nuclease yields a segment of about 168 bp which is bound to 9 histone molecules (H2A, H2B, H3, H4 and H1). This whole structure is known as:
The correct karyotype description of Patau Syndrome is ____________.
What is the primary function of Bt toxin in genetically modified crops like Bt Cotton?
A plasmid vector contains a multiple cloning site (MCS) within the lac-Z gene. If foreign DNA is inserted into the MCS, what happens when competent cells are transformed with this plasmid and allowed to grow on a nutrient medium plate with X-gal and IPTG?
Sequentially arrange the steps involved in cryopreservation of plant cells in order of their occurrence.
A. Raising sterile tissue culture
B. Determination of viability
C. Freezing, Storage
D. Addition of cryoprotectants.
Choose the correct answer from the options given below:
Which of the following is a characteristic feature of Bacterial Artificial Chromosome (BAC) vector?
Which sequence of steps is correct in the development of a genetically modified (GM) crop?
A. Insertion of the gene into the vector.
B. Identification of a desired gene.
C. Selection and screening of transformed plants.
D. Transfer of the vector into a plant cell.
Choose the correct answer from the options given below:
Which of the following order is not included in Stachyospermae?
Match the LIST-I with LIST-II
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Which of the following is incorrectly matched ?
The enzyme responsible for synthesizing RNA primers during DNA replication is -
Which of the following best explains the fluidity of the plasma membrane ?
Sequence the following events involved in a point mutation in DNA.
A. Alteration in the amino acid sequence of a protein.
B. Change in mRNA codon during transcription.
C. Substitution of a single nucleotide in the DNA sequence.
D. Possible disruption of protein function or structure.
Choose the correct answer from the options given below:
Identify the correct sequence of steps in a dihybrid cross to test Mendel's Law of Independent Assortment
A. Selection of two traits in the parent generation.
B. Crossing of pure - breeding parents.
C. Analysis of phenotypic ratios in the F₂ generation.
D. Observations of gamete combinations in the F₁ generation.
Choose the correct answer from the options given below:
Select the phases which are included in the 'Interphase'.
A. S phase
B. M phase
C. G₁ phase
D. G₂ phase
Choose the correct answer from the options given below:
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