CUET PG 2022 Question Paper Botany Shift-1

Given below are two statements:

Statements-I : Hot spots of biodiversity must contain at least 0.5% or 1500 of world's 3,00,000 plant spices as endemic.

Statements-II : Hot spots of biodiversity must have at least 70% or more of its primary vegetation

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements :
Statements-I : Auxins delay the onset of leaf abscission

Statements-II : Abscisic acid promotes leaf senescence independently of ethylene hormone

In the light of the above statements, choose the most appropriate answer from the options given below

Given below are two statements:
Statements-I : Oxygen produced by algal photosynthesis allows the growth of aerobic bacteria.

Statements-II : Commensal relationships are associations in which both the interacting organisms benefit from each other.

In the light of the above statements, choose the most appropriate answer from the options given below

Given below are two statements:

Statement-I : The peridenn is a protective tissue of secondary origin in angiosperms and gymnosperms.

Statement-II : Periderm is the special type of protective tissue that occurs in underground organs of some families.

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements:
Statement-I : An organism in which a chromosome, or a piece of a chromosome is over represented is referred as a hypoploid

Statement-II : An organism in which a chromosome, or a piece of a chromosome is under represented is referred as a hyperploid

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements:

Statement-I : Allopatric speciation requires thousands to millions of years and thousands of generations.

Statement-II: Allopatric speciation occurs commonly in plants through polyploidy.

In the light of the above statements, choose the correct answer from the options given below :

Properties of the genetic code are :

A. composed of nucleotide triplets
B. non overlapping except rare cases
C. comma-free
D. degenerate
E. ordered

Choose the most appropriate answer from the options given below :

Possible sources of contamination of the nutrient medium in plant tissue culture are :

A. the medium itself
B. the culture vessel
C. the explant
D. the environment of the transfer area
E. the operator

Choose the most appropriate answer from the options given below:

The flavouring constituent of Ferula assa-foetida is the exudate collected

A. from the surface of leaves
B. from the surface of cut roots
C. from the flowers
D. from the surface of stem

Choose the correct answer from the options given below :

Puccinia graminis tritici is a macro-cyclic rust fungi due to presence of

A. Pycmiospores
B. Aeciospores
C. Uredospores
D. Teleutospores
E. Basidiospores

Choose the correct answer from the options given below :