Demersal fish is obtained from
1.open sea
2.sea bottom
3.estuaries
4.lakes
In many industries, Tin, steel and copper are being substituted by
1.ceramics
2.high-strength glass fibers
3.ceramics
4.all of these
Tendons and ligaments are
1. muscular tissue
2. connective tissue
3.skeletal tissue
4.fibrous connective tissue
The formation of erythrocytes in foetus takes place in
1.red bone marrow
2.sarcoplasm
3.liver and spleen
4.blood
This is also called as a bio gas
1.bio butanol
2. biodiesel
3.bio ethanol
4.bio methane
Three parts of the limb of a rat from the proximal to the distal end are
1.stylopodium, autopodium and zeugopodium
2.zeugopodium, autopodium and stylopodium
3.stylopodium, zeugopodium and autopodium
4.autopodium, zeugopodium and stylopodium
Bio ethanol is denatured alcohol, also referred to as
1.methylene
2.ethylene
3.ethylene glycol
4.methylated spirit
Bio ethanol is mixed with ________ to prepare transport fuel
1. oil
2.petrol
3.kerosene
4. diesel
By-products generated during rectification of bio ethanol is utilized as
1. sheep feed
2.cow feed
3.dog feed
4.pig feed
Common brown rat is
1.Rattus norvegicus
2.Rattus meltada
3.Rattus rattus
4.Bandicota bengalensis
Composition of bone marrow is
1. adipose and areolar tissue
2. adipose, areolar tissue and blood
3.adipose tissue
4. adipose tissue and fibroblasts
Deforestation may reduce the chances of
1.frequent landslides
2. erosion of surface soil
3. rainfall
4.frequent cyclones
Diastema are found in
1. man
2.rat
3.both
4.none of the above
Energy produced by hydel-power plant is
1.Non-polluting and non-renewable
2.Polluting and non-renewable
3.Non-polluting and renewable
4. Polluting and renewable
Haversian canals occur in
1.humerus
2. scapula
3.pubis
4.clavicle
Hyaline cartilage does not have
1.blood capillaries
2.cells
3.lacunae
4. fibers
In bio methane, the percentage of carbon dioxide is
1.55-60
2.35-45
3.30-40
4. 32-43
In the body of a mammal, the largest gland is
1.Pituitary
2. Pancreas
3.Liver
4.Thyroid
Biomass is used in the production of
1.fibers
2.chemicals
3.transportation fuels
4.biochemicals
Major inorganic components of vertebrate bone is
1.potassium hydroxide
2.calcium phosphate
3. calcium carbonate
4.none of the above
Mammalian pinna is supported by
1.elastic cartilage
2.hyaline cartilage
3.white fibrous connective tissue
4.calcified cartilage
Membrane that surrounds the bone is known as
1.pericardium
2.periosteum
3.perichondrium
4.endosteum
Nasal septum gets damaged. Its recovery requires cartilage known as
1.elastic cartilage
2.fibrous cartilage
3.calcified cartilage
4.hyaline cartilage
Production of bio ethanol is through fermentation of ________ and starch components
1.alcohol
2. sugar
3.milk
4.acid
Scales in rats are present on
1.hindlimbs
2.head
3. forelimbs
4.tail
Skeletal muscle bundles are held together by a common connective tissue layer known as
1.Fascia
2.Perimysium
3.Aponeurosis
4. endomysium
Soil conservation is the process where
1.soil is aerated
2. soil is protected against loss
3. sterile soil is converted to fertile soil
4.soil erosion is allowed
Soil erosion can be prevented by
1. Afforestation
2.overgrazing
3.increasing birds population
4.removal of vegetation
The aerobic digestion of sewage is utilized in the production of
1.metal articles
2.bio fuels
3.biomass
4.synthetic fuels
The close-set hair covering rat’s body is
1.Pili tactiles
2. Muzzle
3.Pelage
4.Vibrissae
These teeth are not found in rats
1.canines and premolars
2. incisors and premolars
3. incisors and molars
4.canines and molars
This forestry material is used as biomass
1.fish oil
2.logging residues
3.manure
4. tallow
This group consists of non-renewable organic resources
1. Water, air and minerals
2.natural gas, oil and coal
3.wood, water and natural pastures
4.sand, air and clay
This is an example of of non-polluting renewable type of energy
1. tidal
2.wind
3.solar
4.all of these
This is an example of starch crops biomass feed stocks
1.corn stover
2. wheat straw
3.orchard prunings
4. sugar cane
This is present in a rat and not in a frog
1.stomach
2.jejunum
3. ileum
4.duodenum
This is the most important mammalian character of rat
1.Diaphragm
2.Pinna
3.Hair
4.Mammary glands
Vibrissae are _____ in function
1.Gustatory
2.Auditory
3. Tactile
4.Olfactory
Which of the following is an anti-forest conservation activity
1.preservation of wild animals
2.preservation of fires
3.clear felling
4.economy in lumbering
Which one represents the regulative function of forests?
1. storage and release of gases
2.production of essential oils
3.production of wood
4.conservation of water and soil