List of top Botany Questions asked in CUET (PG)

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:

Match the LIST-I with LIST-II

LIST-I Gene Interaction	LIST-II  Dihybrid ratio for a single character
A. Duplicate dominant epistasis	I. 9:7
B. Duplicate recessive epistasis	II. 15:1
C. Recessive epistasis	III. 9:3:4
D. Dominant & Recessive Epistasis	IV. 13:3

Choose the correct answer from the options given below:

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:

In which specific region of the chloroplast, does Calvin cycle occurs?

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

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:

What is the primary function of Bt toxin in genetically modified crops like Bt Cotton?

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?

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:

Match the LIST-I with LIST-II

LIST-I Type of Proteins	LIST-II  Examples
A. Structural proteins	IV. Collagen
B. Transport Proteins	I. Ion Channels
C. Hormonal Proteins	II. Insulin
D. Storage Proteins	III. Seed Proteins

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Among the following ecosystems, which has the least Net Primary Production (NPP)?

The requirement of sunlight for the germination of seeds, is known as:

Selaginella is also known as:

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?

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?

A flower is hypogynous with axile placentation and swollen placenta. Which family does this flower belong to?

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.
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Which nitrogen fixing symbiont is associated with sugarcane as a host plant?

Which of the following is a characteristic feature of Bacterial Artificial Chromosome (BAC) vector?

Match the LIST-I with LIST-II

LIST-I (Characteristic, feature)	LIST-II  (Family)
A. Monoadelphous stamen	I. Malvaceae
B. Cremocarp	III. Apiaceae
C. Gynobasic style	II. Lamiaceae
D. Capitulum	IV. Asteraceae

Choose the correct answer from the options given below:

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:

Circinate vernation in ferns refers to -

Which of the following is NOT the characteristic feature of xerophytic plants?