List of top Botany Questions asked in CUET (PG)

What effect does the hypermethylation of promoter regions typically have on gene expression?

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

List-I (Family/Characteristic, etc.)	List-II (Species/Examples)
(A) Myrtaceae	(I) Psidium
(B) Hypanthodium inflorescence	(III) Fig
(C) Caryophyllaceae	(II) Carnation
(D) Asteraceae	(IV) Inula

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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

The correct karyotype description of Patau Syndrome is ____________.

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?

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.
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In angiosperms, which process involves the fusion of male gamete with the egg cell?

Flooding stress is also known as:

Guttation occurs when:

The enzyme responsible for synthesizing RNA primers during DNA replication is -

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.
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Which of the following is used to stain endospores?

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)
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Mesosome is a specialized and differentiated form of __________.

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

Which of the following mutations is most likely to contribute to the development of cancer?

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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A eukaryotic cell is exposed to a chemical that inhibits the 5' capping of pre-mRNA. What is the most likely effect on translation?

Match the LIST-I with LIST-II

LIST-I Class of Mutagens	LIST-II  Examples
A. Alkylating agent	III. Mustard gas
B. Base analog	IV. 5-Bromouracil
C. Intercalating agent	I. Acridine Orange
D. Deamination agent	II. Nitrous acid

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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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Select the phases which are included in the 'Interphase'.
A. S phase
B. M phase
C. G₁ phase
D. G₂ phase
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Which of the following is a macrophyte?