List of top Botany Questions asked in CUET (PG)

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

Match List I with List II

Choose the correct answer from the options given below:

Match List I with List II

Choose the correct answer from the options given below:

Nematodontous peristomes are found in

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
Choose the correct answer from the options given below:

Which of the following statements are correct?
(A) In CAM plants the fixation of \(CO_2\) to phosphoenolypyruvate to form oxaloacetate occurs at night.
(B) In photosystem I the special chlorophyll, the molecules of reaction centre are known as Peso.
(C) During photosynthesis manganese is an essential co-factor for oxygen evolving mechanism.
(D) The leaves of \(C_4\) plants are characterized by Kranz anatomy.
(E) \(C_3\) plants are more efficient utilizers of \(CO_2\) than \(C_4\) plants.
Choose the correct answer from the options given below:

An opportunistic fungal parasite that causes mycoses in animals:

Match List I with List II

LIST I		LIST II
A	Recombination in Bacteria	I	Transcription factor
B	Clover leaf model	II	snRNA
C	Spliceosome	III	Rec A protein
D	Zinc-finger	IV	t-RNA

Choose the correct answer from the options given below:

Match List I with List II

LIST I		LIST II
A	Labyrinth seeds	I	Ecbakium elaterium
B	Anenochory	II	Antennaria alpina
C	Autochory	III	Kingiodendron
D	Diplospory	IV	Oroxylum indicum

Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: A Cosmid is a specialised vector composed of cos sites of phage 2.
Reason R: cos sites enable the DNA to get packed in lambda (2) particles.
In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II

LIST I		LIST II
A		I	Caryophyllaceae
B		II	Solanaceae
C		III	Chenopodiaceae
D		IV	Malvaceae

Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The orange colour of henna is due to lawsone (C10H6O3) present in dried leaves of Lawsonia genus.
Reason R: Lawsone is an oil soluble compound which can be extracted from the leaves using soxhlet extraction.
In the light of the above statements, choose the most appropriate answer from the options given below:

Mendel's first three postulates include:
A. Linkage of genes
B. Unit factors in pairs
C. Dominance/Recessiveness
D. Monohybrid cross
E. Segregation
Choose the correct answer from the options given below:

Match List I with List II

LIST I Metabolic Cycles		LIST II Organellae(s) involved
A	Glyoxylate Cycle	I	Chloroplast
B	Citric acid cycle	II	Glyoxysome
C	Calvin Cycle	III	Mitochondria, Chloroplast, Peroxisome
D	C2 oxidative Photosynthesis cycle	IV	Mitochondria

Choose the correct answer from the options given below:

PCR involves the following steps. What is the correct sequence?
A. Visualisation of amplified product
B. PCR machine run
C. DNA isolation
D. Loading of PCR run
E. PCR reaction setup in tube
Choose the correct answer from the options given below:

Given below are two statements:
Statement I: Pyrethrum compound is derived from several species of Parthenium which is widely used as an insecticidal preparation.
Statement II: Parthenium is a native plant of India grown in Northern Plains and has ecological importance.
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 fatty acid synthesis is carried out in which part of the plant cell?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Sugars translocated in phloem are in non-reducing form.
Reason R: The non-reducing sugars are less reactive than reducing sugars.
In the light of the above statements, choose the most appropriate answer from the options given below:

During operation of C2 oxidative photosynthetic cycle, molecules move from one organalle to another in following manner:
A. Glycine is transported to mitochondria
B. Glycolate is transported to peroxisome
C. Serine is transported to peroxisome
D. Glycerate is transported to chloroplast.
Choose the correct answer from the options given below:

In CAM pathway, the stomata :

Which of the following statements are true regarding the nature of cell wall of different microorganisms?
A. Cell wall of bacteria is composed of true peptidoglycan a complex having muramic acid and cross links of L-amino acids.
B. Membrane lipids of Archaea contains branched chains attached to glycerol by ether linkage.
C. Cell wall of fungi are majorly made up of chitin.
D. Virus and viroids lack cell wall.
E. Cell wall is absent in mycoplasma.
Choose the correct answer from the options given below:

Match List I with List II

LIST I Aponixis Type		LIST II Feature
A	Ixeris	I	Precocious desynapsis
B	Allium	II	MMC bypasses meiois
C	Taraxacum	III	Asyndetic meiotic prophase
D	Antennaria	IV	Premeiotic chromosome doubling

Choose the correct answer from the options given below:

Formation of gas bubble leading to collapse of tension in liquid phase during water transport in xylem is called:

Given below are two statements:
Statement I: It is valid to accept the applicability of generic name Cecropia for moths as well a tropical tree species.
Statement II: According to nomenclatural codes, same names are not allowed across the codes.
In the light of the above statements, choose the most appropriate answer from the options given below: