List of top Botany Questions asked in CUET (PG)

Which of the following order is not included in Stachyospermae?
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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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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Match the LIST-I with LIST-II
LIST-I
(Characteristic, feature)		LIST-II 
(Family)
A. Monoadelphous stamenI. Malvaceae
B. CremocarpIII. Apiaceae
C. Gynobasic styleII. Lamiaceae
D. CapitulumIV. Asteraceae
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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.
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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
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?
The genera which belongs to the family Characeae are:
A. Tolypella
B. Nitella
C. Nigella
D. Chara
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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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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 __________.
What is the primary function of Bt toxin in genetically modified crops like Bt Cotton?
The enzyme responsible for synthesizing RNA primers during DNA replication is -
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.
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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?
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?
Which of the following bacteria belong to the coliform group ?
A. Escherichia coli
B. Streptococcus faecalis
C. Clostridium perfringens
D. Bacillus
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Among the following ecosystems, which has the least Net Primary Production (NPP)?
Which of the following is used to stain endospores?
In angiosperms, which process involves the fusion of male gamete with the egg cell?
A specimen cited in the protologue is neither the holotype nor an isotype, nor one of the syntypes. This specimen is known as:
Selaginella is also known as:
Which of the following is a macrophyte?
Which of the following mutations is most likely to contribute to the development of cancer?