Online Biotechnology Test - Biotechnology Test - Random

Instruction:

This is a FREE online test. Beware of scammers who ask for money to attend this test.
Total number of questions: 20.
Time allotted: 30 minutes.
Each question carries 1 mark; there are no negative marks.
DO NOT refresh the page.
All the best!

Charon vectors are different from EMBL vectors because

they have more extensive range of restriction targets with in their polylinkers.

physical separation of lambda arm from central fragment is required

both (a) and (b)

physical separation of lambda arm from central fragment is not required

[#]

Phagemid consist of

plasmid vector carrying λ phage's cos site

plasmid vector carrying λ attachment (λ att) site

plasmid vector carrying origin of replication of λ phage only

plasmid vector carrying origin of replication of plasmid only

[#]

The recombinant hGH lacks

terminal glutamine

terminal lysine

terminal methionine

terminal arginine

[#]

Lysosomes are associated with

photosynthesis

respiration

storage

digestion

[#]

A major plant macronutrient found in nucleic acids and proteins is

calcium

nitrogen

sulphur

iron

[#]

A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

harvesting unit

reaction center

photosynthetic unit

chloromass

[#]

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

zygote

gametophyte

gamete

sporophyte

[#]

Silver thiosulphate is added to culture medium as it helps to

maintain the pH

remove toxic phenolics from plant cells

prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.

all of the above

[#]

The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as

cos site

flanking sequences

border sequences

transfer sequences

[#]

10.

Cytoplast (somatic cell hybridization) is the process in which

two protoplast along with their nuclei fuse

a normal protoplast along with an enucleated protoplast fuse

both (a) and (b)

two enucleated protoplasts fuse

[#]

11.

Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to

Meloidogyne spp. nematodes

L. peruviaanum

both (a) and (b)

Solarium melongena

[#]

12.

Somatic embryoids are

identical with zygotic embryos and without seed coats

identical with zygotic embryos and with seed coats

non-identical with zygotic embryos and without seed coats

non-identical with zygotic embryos and with seed coats

[#]

13.

The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as

penetrance

expressivity

inheritance percent

environmental influence

[#]

14.

An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of

pericentric inversion

paracentric inversion

double inversion

none of these

[#]

15.

During which phase, a cleavage furrow is formed in animal cells?

G₁

G₂

[#]

16.

The size of the genome of SV 40 is

7.2 kb

69 kb

5.2 kb

110 kb

[#]

17.

In case of Baculoviruses, the foreign gene

is inserted downstream of polyhedrin promoter

is inserted downstream of viral origin of replication

is inserted between the polyhedrin promoter and downstream sequences

is inserted randomly in viral genome

[#]

18.

Some cross reactions with monoclonal antibodies (MAbs) can occur. Unexpected cross reactions occur more frequently with

Ig MAbs

IgG

IgA

IgE

[#]

19.

After the fermentation is over, ethanol is recovered by

centrifugation

distillation

filtration

cell disintegration

[#]

20.

Grist is

coarse powder obtained after milling of malted barley

an aqueous extract of malt

malted barley

coagulated protein obtained during boiling

[#]

Quick links

Quantitative Aptitude

Verbal (English)

Reasoning

Programming

Interview

Placement Papers

Online Biotechnology Test - Biotechnology Test - Random

Marks : 2/20

Test Review : View answers and explanation for this test.

Current Affairs

Interview Questions

Group Discussions