Match the items in column 'A' and Column 'B' and choose correct answer.
Column A |
|
Column B |
|
(i) |
Lady Bird |
(a) |
Menthano bacterium |
(ii) |
Mycorrhiza |
(b) |
Trichoderma |
(iii) |
Biological control |
(c) |
Aphids |
(iv) |
Biogas |
(d) |
Glomus |
The correct answer is:
(1) (i) - b, (ii) - d, (iii) - c, (iv) - a
(2) (i) - c, (ii) - d, (iii) - b, (iv) - a
(3) (i) - d, (ii) - a, (iii) - b, (iv) - c
(4) (i) - c, (ii) - b, (iii) - a, (iv) - d
Which one of the following is not a nitrogen-fixing organism?
1. Anabaena
2. Nostoc
3. Azotobacter
4. Pseudomonas
Match the following list of bioactive substances and their roles:
Bioactive substance |
Role |
||
(i) |
Statin |
(a) |
Removal of oil stains |
(ii) |
Cyclosporin |
(b) |
Removal of clots from blood vessels |
(iii) |
Streptokinase |
(c) |
Lowering of blood cholesterol |
(iv) |
Lipase |
(d) |
Immuno-suppressive agent |
Choose the correct match:
1. (i) - b, (ii) - c, (iii) - a, (iv) - d
2. (i) - d, (ii) - b, (iii) - a, (iv) - c
3. (i) - d, (ii) - a, (iii) - d, (iv) - c
4. (i) - c, (ii) - d, (iii) - b, (iv) - a
The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is:
(1) Vitamin C
(2) Vitamin D
(3) Vitamin B12
(4) Vitamin E
Which one of the following alcoholic drinks is produced without distillation?
(1) Wine
(2) Whisky
(3) Rum
(4) Brandy
Match the following list of bacteria and their commercially important products:
|
Bacterium |
|
Product |
(i) |
Aspergullus niger |
(a) |
Lactic acid |
(ii) |
Acetobacter aceti |
(b) |
Butyric acid |
(iii) |
Clostridium Butylicum |
(c) |
Acetic acid |
(iv) |
Lactobacillus |
(d) |
Citric Acid |
Choose the correct match:
(1) (i) - b, (ii) - c, (iii) - d, (iv) - a
(2) (i) - b, (ii) - d, (iii) - c, (iv) - a
(3) (i) - d, (ii) - c, (iii) - b, (iv) - a
(4) (i) - d, (ii) - a, (iii) - c, (iv) - b
Which of the following is not an ectoparasite?
1. Lice on humans
2. Copepods on marine fishes
3. Mistletoe on other plants
4. Female Anopheles on humans
The residue left after methane production from cattle dung is:
1. burnt
2. burried in land fills
3. used as manure
4. used in civil construction
Mycorrhiza does not help the host plant in:
(1) Enhancing its phosphorus uptake capacity
(2) Increasing its tolerance to drought
(3) Enhancing its resistance to root pathogens
(4) Increasing its resistance to insects.
BOD of waste water is estimated by measuring the amount of:
(1) total inorganic matter
(2) biodegradable organic matter
(3) oxygen evolution
(4) oxygen consumption.
Identify the incrrectly matched pair:
1. Trichoderma harzianum - Biocontrol
2. Aspergillus niger - source of citric acid
3. Baculovirus - narrow spectrum species specific insecticides
4. Monascus purpureus - source of cholesterol synthesizing enzyme
Identify the incorrectly matched pair
1. |
Baculoviruses |
Species specific, broad spectrum insecticides |
2. |
Trichoderma |
Free living fungi common in root ecosystems |
3. |
Ladybird |
Biocontrol of aphids |
4. |
Organic farming |
Pests kept at manageable levels rather than completely eradicated |
An important biofertilizer in paddy fields is :
1. Azospirillum
2. Azotobacter
3. Anabaena
4. Rhizobium
Identify the incorrectly matched pair:
1 |
Streptococcus |
Clot buster |
2. |
Monascus purpureus |
Statins |
3. |
Trichoderma harziamum |
Immunosuppressant |
4. |
Aspergillus niger |
Citric acid |
Baculoviruses are:
1. Species specific, narrow spectrum insecticides
2. Species specific, broad spectrum insecticides
3. Non specific, narrow spectrum inseticides
4. Non specific, broad spectrum insecticides
Cells in some filamentous cyanobacteria that are specialized for nitrogen fixation are called:
1. Phycobilisomes
2. Chromatophores
3. Grana
4. Heterocysts
Gases found in biogas are:
1. Carbon dioxide is the only gas
2. Methane is the only gas
3. Carbon dioxide, hydrogen sulphide and Methane
4. Carbon dioxide, hydrogen cyanide and Methane
In the given diagram the gas X can be :
1. Hydrogen
2. Carbon monoxide
3. Ammonia
4. Oxygen
Consider the following statements:
I. Humulin is the first therapeutic recombinant product approved for human use
II. Flavr savr is the first GM food approved for human use
III. Bacillus thuringiensis is the first bio-insect
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Consider the following statements:
I: | Statins, used as blood cholesterol-lowering agents, are derived from Monascus purpureus |
II: | Cyclosporin A, derived from Trichoderma, is used as an immunosuppressant |
III: | Baculoviruses, in the genus Nucleopolyhederovirus, are species-specific, broad-spectrum insecticides |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
I. Roots of leguminous plants 1. Frankia
II. Azolla 2. Mycorrhiza
III. Glomus 3. Anabaena
IV. Alnus 4. Rhizobium
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 4 3 2 1
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
I. Aspergillus niger 1. Clot buster
II. Streptococcus 2. Citric acid
III. Trichoderma 3. Cyclosporin A
IV. Monascus purpureus 4. Statins
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Match each item in Column I with one item in Column Il and chose your answer from the codes given below:
Column I Column II
(GM microbe) (Application)
I. Rhizobium meliloti 1. Prevention of frost damage
II. Pseudomonas 2. Nitrogen fixation in fluorescencecereals
III. Pseudomonas putida 3. Scavenging of oil spills
IV. Trichoderma 4. Biocontrol of fungal diseases
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I |
Column II |
I. PDGF |
1. Immuno-modulation |
Codes
I II III IV
(1) 1 2 3 4
(2) 2 1 4 3
(3) 2 1 3 4
(4) 1 2 4 3
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I |
Column II |
I. Low Calorie sweetener. |
1. Brassica napus |
Codes
I II III IV
(1) 1 2 3 4
(2) 2 1 4 3
(3) 2 1 3 4
(4) 1 2 4 3
The maximum concentration of alcohol in beverages that are naturally fermented is:
1. 5 - 10%
2. 10 - 15%
3. 20 - 25%
4. 45 - 50%
The virus shown here is a causative agent of :
1. Intestinal infections
2. Respiratory infections
3. CNS infections
4. Genito-urinary infections