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.

31.

Which of the following elements is likely to form the least polar covalent bond with hydrogen?

A.

Nitrogen

B.

Oxygen

C.

Carbon

D.

Phosphorus

Correct answer is C

No explanation has been provided for this answer.

32.

If the ends of the following polysaccharide are pulled, which one would stretch the most?

A.

Glycogen

B.

Starch

C.

Cellulose

D.

None of these

Correct answer is B

No explanation has been provided for this answer.

33.

Which is not true about a photon?

A.

It is a packet of light energy

B.

The shorter the wavelength, the greater the energy of the photons

C.

It is trapped by photosynthetic unit

D.

It donates electron to reduce carbon dioxide to glucose

Correct answer is D

No explanation has been provided for this answer.

34.

Which of the following functional groups would make a carbon-based compound the least polar?

A.

Phosphate

B.

Methyl

C.

Carboxyl

D.

Amino

Correct answer is B

No explanation has been provided for this answer.

35.

The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?

A.

None

B.

One

C.

Two

D.

Four

Correct answer is A

No explanation has been provided for this answer.

36.

Any system that is not at equilibrium

A.

is thermodynamically unstable, although it may be kinetically stable

B.

is kinetically unstable, although it may be thermodynamically stable

C.

is rushing toward equilibrium at a very rapid rate

D.

requires an enzyme to reach equilibrium

Correct answer is A

No explanation has been provided for this answer.

37.

The shortest of mitotic phases is the

A.

telophase

B.

interphase

C.

metaphase

D.

anaphase

Correct answer is D

No explanation has been provided for this answer.

38.

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

A.

test cross

B.

recessive cross

C.

criss-cross

D.

para-cross

Correct answer is A

No explanation has been provided for this answer.

39.

The homologous chromosomes follow the process of synopsis in the

A.

leptotene

B.

zygotene

C.

pachytene

D.

diplotene

Correct answer is B

No explanation has been provided for this answer.

40.

A plasmid used to introduce BT toxin into a plant cell

A.

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

B.

causes the plant to produce opines

C.

is toxic for the plant cell

D.

carries a bacterial gene with a plant promoter

Correct answer is D

No explanation has been provided for this answer.