CUET PG 2022 Question Paper Botany Shift-1

Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R

Assertion-A : Removal of apical bud (decapitation) causes loss of apical dominance.

Reason-R : Apical dominance is due to auxin and apical buds are site of auxin synthesis. Decapitation causes loss of auxin required for apical dominance.

In the light of the above statements, 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 : Bud pollination overcomes sexual incompatibility

Reason-R : At bud stage stigma lacks the exudate

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

In which sequence the following structure/organ would be seen in ovule of cycas.

A. Free nuclear ♀ gametophyte
B. Mature archegonium
C. Pollen chamber
D. Embryo
E. Seed

Choose the correct answer from the options given below :

Arrange the geological history of earth starting from most recent eras

A. Proterozoic
B. Archaezoic
C. Coenozoic
D. Palaeozoic
E. Mesozoic

Choose the correct answer from the options given below :

Arrange the following: National Park in order of their location from West to East

A. Bandhavgarh
B. Gir
C. Hazaribaugh
D. Namdapha
E. Manas

Choose the correct answer from the options given below :

Arrange the following groups of gymnosperms from advanced to primitive

A. Gnetales
B. Cycadofilicales
C. Coniferales
D. Cordaitales
E. Cycadeoidales

Choose the correct answer from the options given below :

Post fertilization change in Marchantia involves multiple changes. Arrange them in the correct sequence.

A. wall of venter divides and gives rise to calyptra.
B. formation of perigynium
C. cells of capsule wall develop annular thickening
D. distinct amphithecium is formed
E. spore mother cells are formed

Choose the correct answer from the options given below :

What will be the order in which the following steps would be performed in the technique of herbarium making

A. Mounting
B. Filing
G. Pressing
D. Collection
E. Labeling

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Which of the following four types of protosteles are recognised in pteridophytes

A. Haplostele
B. Actinostele
C. Siphonostele
D. Plectostele
E. Mixed protostele

Choose the correct answer from the options given below :

Given below are two statements:

Statement-I : In $$C_{4}$$ plants, carboxylation of PEP occurs in bundle sheath.

Statement-II : Decarboxylation of $$C_{4}$$ acids occurs in mesophyll cells of $$C_{4}$$ plants.

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