PLANT GENETICS QUIZ

What is the approximate size (in kb) of the melon mitochondrial genome?

600 kilobase

1200 kilobase

2400 kilobase

3000 kilobase

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During meiosis crossing over takes place at

diplotene stage

zygotene stage

pachytene stage

diakinesis stage

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Which of the following transposable elements are not found in plants?

L1

Ac

Tam3

All are found

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When F1 plants are crossed with homozygous recessive plants, it is known as

para-cross

test cross

criss-cross

recessive cross

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When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

In metaphase

In telophase

In anaphase B

In anaphase A

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The shortest of mitotic phases is the

interphase

metaphase

anaphase

telophase

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When an organism has a life cycle with alternation of generations, the haploid generation is the

gametophyte

sporophyte

gamete

zygote

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In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be

1:1:2

3:1:1

1:2:1

1:3:1

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The homologous chromosomes follow the process of synopsis in the

leptotene

diplotene

zygotene

pachytene

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A plasmid used to introduce BT toxin into a plant cell

carries an antibiotic resistance gene that makes the plant resistant to antibiotics

is toxic for the plant cell

causes the plant to produce opines

carries a bacterial gene with a plant promoter

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