PHP FUNCTIONS QUIZ

A plasmid used to introduce BT toxin into a plant cell

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

carries a bacterial gene with a plant promoter

is toxic for the plant cell

causes the plant to produce opines

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During meiosis crossing over takes place at

pachytene stage

diplotene stage

diakinesis stage

zygotene stage

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

3:1:1

1:3:1

1:2:1

1:1:2

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The homologous chromosomes follow the process of synopsis in the

leptotene

zygotene

diplotene

pachytene

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

Tam3

Ac

All are found

L1

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The shortest of mitotic phases is the

anaphase

interphase

metaphase

telophase

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

3000 kilobase

600 kilobase

2400 kilobase

1200 kilobase

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

zygote

gamete

gametophyte

sporophyte

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

test cross

para-cross

criss-cross

recessive cross

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When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

In metaphase

In anaphase A

In telophase

In anaphase B

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