Biotechnology questions and answers

Biotechnology Questions and Answers

These Biotechnology questions test your knowledge of the use of biology to solve problems and make useful products.

41.

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

A.

Ac

B.

Tam3

C.

L1

D.

All are found

Correct answer is C

No explanation has been provided for this answer.

42.

During meiosis, crossing over takes place at

A.

zygotene stage

B.

diplotene stage

C.

diakinesis stage

D.

pachytene stage

Correct answer is D

No explanation has been provided for this answer.

43.

When do kinetochore microtubules pull chromosomes towards opposite spindle poles?

A.

In anaphase A

B.

In anaphase B

C.

In metaphase

D.

In telophase

Correct answer is A

No explanation has been provided for this answer.

44.

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

A.

zygote

B.

gametophyte

C.

gamete

D.

sporophyte

Correct answer is B

No explanation has been provided for this answer.

45.

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

A.

600 kilobase

B.

1200 kilobase

C.

2400 kilobase

D.

3000 kilobase

Correct answer is C

No explanation has been provided for this answer.

46.

In the meiotic cell divison, daughter cells are produced by two successive division in which

A.

first division is equational, second is reductional

B.

first division is reductional and second is equational

C.

both divisions are reductional

D.

both divisions are equational

Correct answer is A

No explanation has been provided for this answer.

47.

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

A.

1:2:1

B.

3:1:1

C.

1:3:1

D.

1:1:2

Correct answer is A

No explanation has been provided for this answer.