List of top Botany Questions asked in CUET (PG)

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Cotton and linen textiles have long durability due to cellulose's side- by-side aggregates which form molecular cables. 
Reasons (R): Durability of cellulose is due to a-(1-6) glycosidic bonds. 
In the light of the above Statements, choose the most appropriate answer from the options given below:

Ergotism, which is characterized by gangrene, nervous spasm, burning sensation, hallucinations and temporary 'insanity' is caused by

Morchella esculenta, often found growing under trees in orchards, with an edible ascocarp, belongs to the class___.

Many fungi have no known sexual stages in their life-cycle. Mycologists have traditionally grouped such fungi into

Covered smuts' disease in Barley is caused by

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

Transformation, a phenomenon responsible for recombination in microbes was discovered by

Match List I with List II

	List I-(Fruiting body)		List II-(Sub-division/order)
A	Cleistothecium	I	Hemiascomycetes
B	Asci (naked)	II	Erysiphales
C	Apothecium	III	Pyrenomycetes
D	Perithecium	IV	Discomycetes

Choose the correct answer from the options given below: 

The time interval between the formation of successive leaf primordia is termed as

Rhodophyceae possesses the following unique characteristics
(A) The septa between the adjacent cells have 'pit connections' 
(B) The flagellated motile stages are totally absent 
(C) Red algae exhibit low degree of epiphytism and parasitism 
(D) They contain water soluble phycocyanin pigment 
(E) The accumulated photosynthetic product is floridean starch 
Choose the most appropriate answer from the options given below

False branching of thallus is observed in

Heterocyst a thick-walled, pale-yellow, barrel-shaped structure found in blue-green algae, helps in

The influenza virus carry functional surface projections called spike which contains unique enzyme known as

Match List I with List II

LIST I		LIST II
A	WUSCHEL gene	I	Stomata
B	TOO MANY MOUTHS gene	II	Vascular bundles
C	GLABROUS gene	III	Shoot Apical Meristem
D	Wilted gene	IV	Trichome

Choose the correct answer from the options given below:

Match List I with List II

LIST I		LIST II
A	Anthoceros	I	Hornworts
B	Sphagnum	II	Maiden hair ferm
C	Adiantum	III	Royal ferm
D	Osmunda	IV	Peat moss

Choose the correct answer from the options given below:

Fibers commonly formed in the secondary xylem of tension wood are termed:

Match List I with List II

LIST I		LIST II
A	Lutoids	I	Sieve elements
B	Nacre' wall	II	Idioblast
C	Cystolith	III	Cork cambium
D	Phelloid cell	IV	Laticifers

Choose the correct answer from the options given below:

Gradate sori can be seen in:

Aflatoxins are produced by:

Match List I with List II

LIST I Name		LIST II Organism
A	Black wart disease of potato	I	Synchytrium endobioticum
B	Black Mould	II	Achyla bisexualis
C	Water Mould	III	Aspergillus niger
D	Blue or Green Mold	IV	Penicillium chrysogenum

Choose the correct answer from the options given below:

Parasexual cycle brings variation in those fungi where sexual reproduction is absent. Arrange the following steps involved in the cycle sequentially:
A. Multiplication of diploid nuclei.
B. Formation of heterokaryotic mycelium and nuclear fusion.
C. Sorting of diploid nuclei and occasional haplodization of diploid nuclei.
D. Occasional mitotic crossing over.
E. Sorting of new haploid strain.
Choose the correct answer from the options given below:

_____has elaterophores present in the apical region of the capsule.

Among the fossils, well preserved leaf venation pattern can be seen in:

Which of the following is true for Alternative Splicing?
A.It increases the number of proteins that can be made from each gene.
B.It is a step in the process of post-translational regulation.
C.It can change the protein localization in the cell.
D.It defines removal of alternative introns from the mRNA.
E.It allows the humans to produce several hundred thousand different proteins from 25000 genes.
Choose the correct answer from the options given below:

Eukaryotic ribosomes sediment in sucrose gradient with a sedimentation coefficient of: