List of top Botany Questions asked in CUET (PG)

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

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:

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 is incorrectly matched ?

The example of facultative CAM plant which carries on C₃ metabolism under unstressed conditions is:

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

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

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:

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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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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The early development of monocot and dicot embryo is similar up to which stage?

The characteristic of Cleistogamous flowers is :

The botanical name of Fenugreek (methi):

Which of the following amino acid is basic in nature?

Glyphosate resembles phosphoenol pyruvate and inhibits the enzyme EPSP synthetase which synthesises____.

Which of the following is true about Gibberellins?
A. Gibberellins are terpenoid compounds, made up of isoprene units.
B. GA12 is the precursor of all the other gibberellins.
C. GA1 and GA3 are directly responsible for the various effects in plants.
D. Size of seedless grapes can be increased by GA applications.
E. Gibberellin biosynthesis can be inhibited by application of Auxins.
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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The chromosome is composed of heterochromatic terminal region called telomeres.
Reason R: Telomeres are important part of a chromosome and are required during chromatid separation in cell cycle.
In the light of the above statements, choose the most appropriate answer from the options given below:

During biological nitrogen fixation, _______ATPs are required to fix molecular nitrogen into ammonia.

The cells of hydrom sheath in Polytrichum are rich in

Method of phylogenetic analysis of bacteria based on DNA fragments encoding their 16S rRNA is called as

Which of the following features distinguish Bacteria from Eukarya?
(A) Membrane lipids
(B) Poly (A) tailing of mRNA
(C) Cell structure
(D) Plasmids
(E) Ribosomes
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Nematodontous peristomes are found in

Match List I with List II

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Match List I with List II

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