Explore topic-wise MCQs in Biotechnology.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.

1.

Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?
A. It travels on the legs of bees and sticks to the egg cell
B. The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
C. It blows in the wind
D. None of the above
Answer» C. It blows in the wind
Discussion
2.

When a gardener takes a cutting from a plant, indicating that he has made a
A. clone
B. mutation
C. new species
D. new variety
Answer» B. mutation
Discussion
3.

Microarray analysis involves biological assays based on
A. gels
B. filters
C. purification columns
D. small glass chips
Answer» E.
Discussion
4.

What is the size (in kb) of the tobacco chloroplast genome?
A. 55 kilobase
B. 155 kilobase
C. 325 kilobase
D. 375 kilobase
Answer» C. 325 kilobase
Discussion
5.

Microbiosensors are based on
A. ions effect
B. ionsensitive field effect transistor
C. piezoelectric effect
D. magnetic effect
Answer» C. piezoelectric effect
Discussion
6.

To qualify as a micro array the analytical device must be
A. ordered
B. microscopic
C. planer and specific
D. all of these
Answer» E.
Discussion
7.

Microarrays are also known as
A. biochips
B. DNA chips
C. gene chips
D. all of these
Answer» E.
Discussion
8.

Gene banks conserve stocks of
A. seed only
B. vegetative material only
C. seed and vegetative material both
D. none of these
Answer» D. none of these
Discussion
9.

The inosine and hypoxanthine can be determined simultaneously by using
A. inosine sensor
B. inosine and hypoxanthine sensor
C. amorphous silicon ISFET
D. urea sensor
Answer» B. inosine and hypoxanthine sensor
Discussion
10.

When farmers breed new plants they choose the pollen from one variety of plant and place it onto the stigma of another variety of plant. This type of plant breeding is known as
A. selective breeding
B. pollination
C. seed collection
D. cuttings
Answer» B. pollination
Discussion
11.

Biochips are made up of
A. semi-conducting molecules inserted into the protein frame work
B. conducting molecules inserted into the protein frame work
C. non-conducting molecules inserted into the protein frame work
D. any of the above
Answer» B. conducting molecules inserted into the protein frame work
Discussion
12.

Hypoxanthine can be measured by
A. hypoxanthine sensor
B. amorphous silicon ISFET
C. urea sensor
D. alcohol sensor
Answer» B. amorphous silicon ISFET
Discussion
13.

Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
A. Early ripening
B. Resistance to disease
C. Resistance to pests
D. All of these
Answer» E.
Discussion
14.

Single stranded circular RNA encapsidated with a larger RNA in a plant virus is
A. a virion
B. a viroid
C. a virusoid
D. none of these
Answer» D. none of these
Discussion
15.

A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of
A. gene or gene products
B. whole genome
C. both (a) and (b)
D. none of these
Answer» B. whole genome
Discussion
16.

Which of the following is correct about micro biosensors?
A. Implantation in human body and are suitable for in-vivo measurements
B. Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously
C. It is possible to develop disposable transducers for biosensors through mass production
D. All of these
Answer» E.
Discussion
17.

Which of the following technology is used for micro array manufacturing?
A. Photolithography
B. Ink jetting
C. Contact printing
D. All of these
Answer» E.
Discussion
18.

An ordered array is any collection of analytical elements configured in
A. rows and columns
B. randomly
C. circle
D. none of these
Answer» B. randomly
Discussion