A free living anaerobic nitrogen fixing bacterium is:
1. Rhizobium
2. Streptococcus
3.Azotobactor
4. Clostridium
A free-living aerobic and non-photosynthetic nitrogen fixing bacterium is:
1. Anabaena
2. Clostridium
3.Azotobactor
4.Rhizobium
A person showing unpredicatable moods, outbursts of emotion quarrelsome behaviour and conflicts with other is suffering from:
1.Addictive disorders
2.Schizophrenia
3. Borderline personality disorder (BOD)
4. Mood disorders
Allegens:
1.Infectious and increase secretion of IgE antiboides
2.Non-infectious and increase secretion of IgE antibodies
3.Infectious and increase secretion of IgS antibodies
4. Non-infectious and increase secretion of IgM antibodies
An allergic reaction is intiated by antibodies of, group :
1. IgG
2. IgE
3.IgM
4. IgA
Antibiotics are:
1. Medicines
2.Toxin
3.Plants
4. Syrups
Ascaris is most commonly found in:
1. Men
2.Women
3. Children
4.Both (a) and (b)
Azoila has symbiotic relationship with:
1. Chlotfila
2. Anabaena
3.Nostoc
4. Tolypothrix
Bacillus thuringiensis (Bt) strains have been used for designing novel:
1. Bio-metallurigcal techniques
2.Bio-mineralization process
3. Bio-insecticidal plants
4. Bio-fertilizers
Both in callus and suspension culture commonly used auxin is:
1.NAA
2. IEA
3. 2-4D
4. Abscisic acid
Both sickle cell anaemia and Huntington’s chores are:
1.Bacerial diseases
2.Congenital diseases
3. Pollution related diseases
4. Viral diseases
By anobacteria are useful biofertilizers in the; field of:
1.Wheat
2. Maize
3.Rice
4. Sugarcane
Changa’s disease is caused by:
1. Trypanosoma ganabiense
2.Trypanosoma Cruzi
3.Trypanosoma-rhodesiense
4.Leishmania donovani
Choose the cat fish from the following:
1. Katla Katla
2.Wallage attu
3.Labeo rohita
4.Cirrhinus mrigaja
Citric acid is produced by:
1.Rhizopus
2.Mucor
3. Aspergillus
4. Saccharomyces
Current treatment for cancer does not include which of the following:
1.Chemotherapy
2. Radiaotherapy
3.Surgery
4.Physiotherapy
For retting of jute, the fermenting microbe is:
1.Methanophilic bacteria
2. Butyric acid bacteria
3. Helicobactor pylon
4. Streptococcus lactin
HIV that causes AIDS, first starts destroying:
1.Helper T-lymphocytes
2.B-Lymphocytes
3. Leucocytes
4. Thrombocytes
Hybrid vagour is induced by:
1. By Clonal selection
2.By Crossing of plant
3.By crossing of two plants
4. By Species differentiation
In AIDS, which of these cells are most affected:
1.B-cells
2. T-cells
3.Monocytes
4.Neutrophils
In Malaria, the product released by mosquito into blood that causes chill and fever is called:
1.Haematin
2. Schuffher’s dots
3.Haemozoin
4.Haemotoxin
In nostoc, enzyme nitrogenase occurs in :
1.Vegetative cells
2.Heterocysts
3. Both (a) and (b)
4. Only in hormogones
India’s w heat yield revolution in the 1986s was possible primarily due to:
1. Mutations resulting in the plant height reduction
2.Quantitative trait mutations
3.Hybrid seeds
4.Increased chlorophyll content
Intermediate host of Schistosoma is:
1.Snail
2. Mosquito
3.Housefly
4. Sheep
Kupffer cells are present in:
1. Liver
2.Small intestine
3.Pancreas
4. Thyroid
Morphine obtained from opium is:
1. Latex
2. Pome
3. Alkaloid
4.Tannin
Most cultivated plants are:
1.Autopolyploid
2. Allopolyploid
3.Aneuploids
4.Haploids
Most nutritious among the following is:
1.Wheat
2.Maize
3. Pearley
4. Rice
Nif gene occurs in:
1. Peiiicillium
2.Rhizobium
3.Aspergillus
4.Streptococcus
Norman Borlaugh known as “Father of Green Revolution†has developed new cultivating variety of:
1. Paddy
2. Rice
3.Wheat
4.Sugarcane
One of the following is a disease of poultry:
1. Anthrax
2.Pebrine disease
3.Ranikhet disease
4.Foot and mouth disease
Passive immunity can be obtained by injecting:
1.Antibodies
2. Antigens
3.Antibiotics
4.Vaccination
Screening test of AIDS is:
1.Western blot
2.ALISA
3.PCR
4.Southern blot
Somatic hybridization can be done by:
1.By Protoplast fusion
2.By Haploid anther
3.By Cell culture
4. (By Totipotency
Streptococcus is used in the preparation of:
1.Wine
2. Idli
3.Paneer
4. Bread
Streptomycin is produced by:
1. By Streptomyces Scoleus
2.By Streptomyces fradiae
3. By Streptomyces venezueleae
4. By Streptomyces griseus
Term antibiotic was first used by :
1. Flemming
2.Pasteur
3.Waksman
4. Lister
The best milk breed in the world is:
1.Chittgong
2.Deoni
3.Holstein-Friesian
4. Sindhi
The drug which stimulates the nervous system and makes him more wakeful alert and active is called :
1. Sedative
2. Opiate narcotic
3. Stimulant
4.Hallucinogen
The technique of obtaining large number of plantlets by tissue culture method is called :
1.Organ culture
2.Micro-propagation
3.Macro-propagation
4. Plantlet culture
The vactor of Break bone fever is:
1. Anopheled
2. Aedes
3. Culex
4. None of these
The world’s highly prized wool yielding ‘Pashmina’ breed is :
1. Sheep
2. Goat
3.Goat-sheep cross
4.Mashmir sheep-Afghan sheep cross
There crops that contribute maximum to global food grain production are :
1.Wheat, rice and maize
2.Wheat rice and barley
3. Wheat, maize and sorghum
4. Rice, maize and sorghum
Transgenic plants are develop by:
1. Introducing of foreign fenes
2.Clone and genetically modified genes
3. Genetic engineering
4. Purified genes
Triticale first main-made corral crop has been obtained by crossing wheat with
1. Rye
2.Pearl mille
3.Sugarcane
4. Barley
Two microbes found to be very useful in genetic, engineering are:
1.Escherichiya Coli and Agrobacterium tumefaciens
2. Virbio chloerae and tailed bacteriophage
3.Diplococcus sp and pseudomonas sp.
4.(None of these
Usnic acid is an antibiotic obtained from :
1. Fungi
2. Bacteria
3. Lichens
4.(Algae
Which of the following disease effect the immune system directly?
1.Cholera
2. Tuberculosis
3. Tetanus
4. AIDS
Which of the following vaccines are injected at the age of 11/2, 21/2 and 31/2 months:
1.DPT-Hib and Polio
2. Polio and BCG
3. BCG and DTP-Hib
4. BCG and Hepatitis-B
Zoological name of Indian buffalo is:
1. Bubalus bubalus
2.Bos indicus
3. Bos taurus
4. Gallusgallus