Science and Technology - Biotechnology and Nano Technology
Exam Duration: 60 Mins Total Questions : 30
The genetically engineered 'golden rice is rich in which of the following?
- (a)
Vitamin-A and nicotinic acid
- (b)
B-carotene, vitamin-A and folic acid
- (c)
B-carotene and iron
- (d)
Vitamin-A and niacin
A genetically engineered form of brinjal known as the Bt brinjal has been developed. The objective of this is
- (a)
To make it pest-resistant
- (b)
To improve its taste and nutritive qualities
- (c)
To make it drought resistant
- (d)
To make its shelf-life longer
Hybridoma technology is a new biotechnological approach for commercial production of
- (a)
Monoclonal antibodies
- (b)
Interferon
- (c)
Antibiotics
- (d)
Alcohol
The American multinational company, 'Monsanto' has produced an insect resistant cotton variety that is undergoing field trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton?
- (a)
Bacillus subtilis
- (b)
Bacillus thuringiensis
- (c)
Bacillus amyloliquifaciens
- (d)
Bacillus globuli
First transgenic mouse grew twice the normal size after drinking
- (a)
Copper (Cu) Containing water
- (b)
Iron (Fe) Containing water
- (c)
Zinc (Zn) containing water
- (d)
Radium (Ra) containing water
Transgenic plants are
- (a)
Produced by a somatic embryo in artificial medium
- (b)
Generated by introducing foreign DNA into a cell and regenerating a plant from that cell
- (c)
Produced by protoplast fusion in artificial medium
- (d)
Grown in artificial medium after hybridization in the field
A transgenic food crop, which may help in solving the problem of night blindness in developing countries is
- (a)
Flavr Savr tomatoes
- (b)
Starlink maize
- (c)
Bt soyabean
- (d)
Golden rice
Consider the following statements
1.Monoclonal antibodies produced in the lab by hybridoma technology.
2. Hybridoma technology invented by Kohler and Milstein.
3. Hybridoma formed by mixing myeloma (cancerous) cells and B-lymphocytes.
- (a)
1, 2 and 3
- (b)
1 and 2
- (c)
Only 2
- (d)
Only 1
Consider the following statements about world's cloned pashmina goat
1.Noori is the world's first cloned Pashmina goat.
2. It was developed by the scientists at the Sher-e-Kashmir Agriculture University for Science and Technology on March 9, 2012.
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 2
- (d)
Neither 1 or 2
The Government of India has recently made it mandatory for oil marketing companies to biend 5% ethanol with petrol. Which of the following is/are the likely consequences/ consequences of the policy?
1. Lower Inda's dependence on fossil oil.
2. Reduce fuel import bill.
- (a)
Only 1
- (b)
Only 2
- (c)
Both 1 and 2
- (d)
Neither 1 nor 2
At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
- (a)
1 and 2
- (b)
Only 2
- (c)
1 and 3
- (d)
1,2 and 3
Researchers are manufacturing Genetically Modified (GM) fungi to produce
- (a)
Cheaper biofuel
- (b)
Generic drug for treatment of cancer
- (c)
Food supplement
- (d)
Edible oil
Consider the following statements
1. Embryonic stem cells can now be turned into the oxygen-carrying red blood cell.
2. Artificial blood for transfusion still requires refrigeration just like ordinary donor blood.
- (a)
only 1
- (b)
only 2
- (c)
Both 1 and 2
- (d)
Neither1 nor 2
Consider about the Cryonics
1. It is the low-temperature preservation of humans and animals who cannot of humans and animals who cannot be sustained by contemporary medicine, with the hope that healing and resuscitation may be possible in the future.
2. Cryopreservation of people or large animals is not reversible with current technology.
3. Cryonics procedures ideally begin within minutes of cardiac arrest and use cryoprotectants to prevent ice formation during cryopreservation.
- (a)
1 and 2
- (b)
2 and 3
- (c)
1 and 3
- (d)
All of these
A Cryoprotectant is a substance that is used to protect biological tissue from freezing damage (i. e; that due to ice formation). Which of the following can be used by different species as Cryoprotectant?
1. Sugars
2. Fats
3. Glycerols
- (a)
1 and 2
- (b)
2 and 3
- (c)
1 and 3
- (d)
Only
Which one is not False regarding Bionic architecture?
- (a)
It is a movement for the design and construction of expressive buildings whose layout and lines borrow from natural (i. e. biological) forms
- (b)
It sets itself in opposition to traditional rectangular layouts and design schemes by using curved forms and surfaces reminiscent structures in biology and fractal mathematics
- (c)
One of the tasks set themselves by the movement's early pioneers was the development of aesthetic and economic justifications for their approach to architecture
- (d)
All of the given statements
Which is true about Biopolymers?
1. They are produced By living organisms and contain monomeric units that are covalently bonded to form larger structures.
2. Cellulose is the most common organic compound and biopolymer on Earth.
3. Many biopolymers spontaneously fold into characteristic compact shapes, which determine their biological functions and depend in a complicated way on their primary structures.
4. Biopolymers are also called renewable polymers
5. The major drawbacks with biopolymer are that it cannot be sustainable.
6. Biopolymers are biodegradable, and some are also compostable.
- (a)
1, 2, 4 and 6
- (b)
2, 3, 4, 5 and 6
- (c)
1, 2, 3, 4 and 6
- (d)
2, 5 and 6
Nano technology, in other words, is
- (a)
carbon engineering
- (b)
atomic engineering
- (c)
small technology
- (d)
microphysics
The diameter of a bucky ball is about
- (a)
1 A\(^{0}\)
- (b)
100 A\(^{0}\)
- (c)
1 nm
- (d)
10nm
In a bucky ball, each carbon atom is bound to .......... adjacent carbon atoms.
- (a)
1
- (b)
2
- (c)
3
- (d)
4
What do you mean by Biocompatibility?
1. It is related to the behaviour of biomaterials in various contexts.
2. The term refers to the ability of a material to perform with an appropriate host response in a specific situation.
3. It is actually a self-sufficiency of an organism to ensure its ability to withstand the adverse effect during grafting of a particular organ which presents in every animal.
4. Biocompatibility is the capability of a prosthesis implanted in the body to exist in harmony with the tissue without causing deleterious changes.
- (a)
1, 2 and 3
- (b)
2, 3 and 4
- (c)
2 and 4
- (d)
1, 2 and 4
1 nanometre = .................cm.
- (a)
10(-9)
- (b)
10(-8)
- (c)
10(-7)
- (d)
10(-6)
20 micron = ..............nm
- (a)
20 x 10(-9)
- (b)
20 x 109
- (c)
200
- (d)
20000
The width of carbon nanotube in nm is
- (a)
1
- (b)
1.3
- (c)
1.55
- (d)
10
Which one of these statements is NOT true?
- (a)
Gold at the nanoscale is red
- (b)
Copper at the nanoscale is transparent
- (c)
Silicon at the nanoscale is an insulator
- (d)
Aluminium at the nanoscale is highly combustible
During the IXth Plan, the government has started two Micro [rp[agation Technology Parks (MTPs). What could be the objectives of this act?
- (a)
To make the people aware about the plant propagation techniques to raise the afforestation
- (b)
To provide an effective platform for transfer proven tissue culture technologies to the user agencies and entrepreneurs and acting as an interface between research institutes and industry
- (c)
To show the world community that India is not lagged behind in the field of plant micropropagation techniques
- (d)
None of the above
Consider the following statements about biofuel
1. Biofuels are generally obtained from starch plants.
2. Scientists are engaged in producing Genetically Modified (GM) fungi to break down long cellulose chain to yield cheaper biofuel.
3. Manufacturing biofuel from lignocellulose may be a preferable option.
- (a)
1 and 2
- (b)
2 and 3
- (c)
1 and 3
- (d)
All of the above
Scientists have developed the peptide-based platforms to cure cancer, How?
1. They used bacterial fermentation to bind DNA or small interfering RNA and delivering them into cells to target tumours.
2. These ae helpful in silencing the targeted genes.
3. These chimeric peptides have the capabilities to degenerate the tumours.
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 3
- (d)
All of these
Which of the following is not true regarding biometrics?
- (a)
It is used in computer science as a form of identification and access control of humans by their characteristics or traits
- (b)
Biometric identifiers are often categorised as physiological versus behavioural characteristics
- (c)
It is not possible to use this technology to identify individuals in groups that are under surveillance
- (d)
All of the above
The prefix 'nano' comes from a
- (a)
French word meaning billion
- (b)
Greek word meaning dwarf
- (c)
Spanish word meaning particle
- (d)
Latin word meaning invisible