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11th Biology Monthly Test - 1 ( Bio - Botany - Plant Growth and Development )

MABS Institution

11th Biology Monthly Test - 1 ( Bio - Botany - Plant Growth and Development )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

The term phytochrome was coined by ............

Butler
Garner
Lysenko
Purvis

.................. is a munocarpic prennial.

Rose
Bamboo
Banyan
Money plant

The term auxin was coined by ............

Darwin
Went
Smith
Miller

ABAwa$ first isolated from ................

ripe fruits
coconut milk
cotton bolls
Herring fish

Bio Assay of ABA was done with

cotton bolls
Pineapple
Rice
Sugarcane

Photoblastic seeds require light for

Respiration
Germination
Flowering
Vernalization

The primary Precursor of Gibberellin is .........

Tryptophan
terpenoids
Acetate
adenine

Cocklebur requires ............. hours of light for ftowering

14.5
15.05
15
12

Seed dormancy allows the plants to

overcome unfavourable climatic conditions
develop healthy seeds
reduce viability
prevent deterioration of seeds

The.term kinetin was coined by .................

Skoog
Haberlandt
Kurosawa
Lethon

Part - B

Generic 2 - Answer All Question

What is redifferentiation?

What are the parameters used to measure growth of plants?

What is bolting?

Define Growth.
What are monocarpic perennials?

Name any two synthetic auxins?

Explain the role of auxin in apical dominance?

Mention the four phases of growth curve.

What is etiolation?

What is Devernalization?

Part - C

Generic 3 - Answer All Question

Mention some 'physiological changes occuring during senescence.

Mention the agricultural role of gibberellic acids?

Draw an Instrument which can help to measure growth of a plant.

What are climacteric fruits?

List the practical applications of vernalization.

What is the importance of photoperiodism?
What is plasticity?

What is abscission layer?

List the types of Senescence.

Write the internal factors for condition of growth.

Part - D

Generic 5 - Answer All Question

Gardeners trim the plants regularly in tea gardens. Why?

Explain 'senescence'.

What is chemical warfare?

Explain the external conditions needed for growth

Write the physiological effects of Cytokinins.

Describe an experiment to measure the growth of a plant.
Give a brief account on Programmed Cell Death (PCD)

Explain the physiological effects and agricultural role of Auxin.

Why do cut leaves dipped in cytokinins stay green for longer duration?

Will a defoliated plant respond to photoperiodic cycle? Give reasons.

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