List of top Questions asked in CUET (PG)- 2025

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:
What is the correct general scheme of the fungal succession on herbivore dung:
A. Basidiomycetes
B. Discomycetes
C. Phycomycetes
D. Pyrenomycetes
Choose the correct answer from the options given below:
Which of the following is a macrophyte?
Among the following ecosystems, which has the least Net Primary Production (NPP)?
Selaginella is also known as:
Match the LIST-I with LIST-II
LIST-I
Class of Mutagens		LIST-II 
Examples
A. Alkylating agentIII. Mustard gas
B. Base analogIV. 5-Bromouracil
C. Intercalating agentI. Acridine Orange
D. Deamination agentII. Nitrous acid
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
LIST-I
Gene Interaction		LIST-II 
Dihybrid ratio for a single character
A. Duplicate dominant epistasisI. 9:7
B. Duplicate recessive epistasisII. 15:1
C. Recessive epistasisIII. 9:3:4
D. Dominant & Recessive EpistasisIV. 13:3
Choose the correct answer from the options given below:
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?
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 ____________.
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:
Which of the following best explains the fluidity of the plasma membrane ?
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:
Guttation occurs when:
Flooding stress is also known as:
The example of facultative CAM plant which carries on C₃ metabolism under unstressed conditions is:
Match the LIST-I with LIST-II
LIST-I
Minerals		LIST-II 
Deficiency Symptoms in Plants
A. CalciumIII. Necrosis of young meristematic regions such as root tips or young leaves
B. ZincIV. Display of rosette habit
C. ManganeseI. Intervenous chlorosis associated with the development of small necrotic spots
D. NickelII. Accumulation of Urea in the leaves
Choose the correct answer from the options given below:
The requirement of sunlight for the germination of seeds, is known as:
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:
What is the role of Gibberellic acid in plants?
Which of the following hormones is synthesized from methionine?
The common inter-cellular parasitic algae among the following is:
Synchytrium is __________ fungi.