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!

Chemically synthesized DNA sequences for the two chains are separately inserted into the plasmid pBR 322 by the side of

β-Galactosidase

galactokinase

acid phosphatase

glucokinase

[#]

In the bundle sheath of C4 plant __________ is/ are less than mesophyll.

PSI

PSII

PSI or PSII

PSI and PSII

[#]

The cellular organelle associated with secretion is the

golgi complex

mitochondrion

ribosome

lysosome

[#]

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

Glycogen

Starch

Cellulose

None of these

[#]

A widely accepted explanation for transport of sugar in phloem is called

root pressure theory

transpiration

pressure flow hypothesis

cytoplasmic streaming

[#]

Which of the following is not true about the helper plasmids?

These can replicate in Agrobacterium

These help in the mediating conjugation of intermediate vectors

These can't replicate in Agrobacterium

All of the above

[#]

Transplastomics

targets genes in the chloroplast

provides exceptionally low yields of protein products

produces genes that are released in pollen

offers little opportunity for practical use

[#]

The delayed ripening tomato was created by a biotechnologist who __________ a gene.

altered

silenced

replaced

relocated

[#]

Resistance to sulphonyl urea compounds in transgenic tobacco plant has been developed by the transfer of

gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase)

gene for ALS (acetolactate synthase)

gene for GS (glutamine synthase)

any of the above

[#]

10.

Which of the following dies from Ti plasmid infection?

Rice

Corn

Sorghum

All of these

[#]

11.

Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____.

identical, different

different, also different

different, identical

plants cannot be derived from somatic tissue

[#]

12.

Starch content of potatoes can be increased by using a bacterial gene, known as

sucrose phosphate synthase gene

ADP glucose pyrophosphorylase gene

polygalactouranase gene

none of the above

[#]

13.

Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to

Meloidogyne spp. nematodes

L. peruviaanum

both (a) and (b)

Solarium melongena

[#]

14.

Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of

Streptomyces avermitilis

B. thrunigiensis

P. flourescens

L. peruvianum

[#]

15.

Microarrays are also known as

biochips

DNA chips

gene chips

all of these

[#]

16.

A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as

a physical map

a genetic map

a cloning map

none of these

[#]

17.

In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of

1:1:1:1

1:2:2:1

9:3:3:1

3:1:1:3

[#]

18.

Which of the following is the normal cell cycle, primarily regulated at checkpoints?

Metaphase in mitosis

Anaphase, G1 boundary

G1-S boundary

S-G2 boundary

[#]

19.

Maturation of the beers is carried out at

14°C

10°C

6°C

2°C

[#]

20.

In liquid surface culture process for the fermentation to produce citric acid,

A. niger is used with solid substrate as sweet potato

A. niger floats on the surface of solution

Fungal mycelium grows through out the solution in a deep tank

both (a) and (b)

[#]

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