PLANT GENETICS QUIZ

A plasmid used to introduce BT toxin into a plant cell

is toxic for the plant cell

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

causes the plant to produce opines

carries a bacterial gene with a plant promoter

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The homologous chromosomes follow the process of synopsis in the

leptotene

diplotene

zygotene

pachytene

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

gamete

gametophyte

sporophyte

zygote

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

Ac

L1

Tam3

All are found

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The shortest of mitotic phases is the

anaphase

telophase

interphase

metaphase

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When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

In anaphase B

In metaphase

In anaphase A

In telophase

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

para-cross

recessive cross

criss-cross

test cross

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During meiosis crossing over takes place at

zygotene stage

diplotene stage

diakinesis stage

pachytene stage

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

1200 kilobase

2400 kilobase

600 kilobase

3000 kilobase

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

1:2:1

1:3:1

3:1:1

1:1:2

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