A bottle filled with previously moistened mustard seeds and water was screw-capped tightly and placed in a corner. After 30 minutes; it suddenly blew up. This is the process involved
1.DPD
2.Osmosis
3. Imbibition
4.Diffusion
A common trait between tadpole and fish is
1.scales
2. lateral line
3. fins
4.legs
Active uptake of sodium is promoted by action of enzyme known as
1.adrenatrone
2. aldosterone
3. antidiuretic
4.diuretic
After drinking alcohol; consumption of this leads to death
1.Morphine
2.Opium
3. Barbiturate
4. All of these
Alcoholism causing fatty acid syndrome is called
1.Cirrhosis
2.Neuritis
3.Gastritis
4.Nephritis
Liver functions are pivotal to
1.osmoregulation
2.thermoregulation
3. homeostasis
4.all of these
Water is forcefully pushed beyond endodermis of the root through the process of
1.diffusion
2. transmembrane transport
3.symplast pathway
4.apoplast pathway
Constituent of alcoholic beverage is
1.Propyl alcohol
2.Methyl alcohol
3.Ethyl alcohol
4.Mix of all of these
Consumption of this causes increase in the fat synthesis; dilation of blood vessels; low blood sugar and stomach-inflammation
1.drug addiction and tobacco
2.alcohol
3.tobacco
4.drug addiction
Diffusion of water through selectively permeable membrane is
1.osmosis
2.imbibition
3.translocation
4.diffusion
Division to which Selaginella belongs is
1. Psilopsida
2.Pteropsida
3.Lycopsida
4.Spenopsida
During catabolism of amino acids; the release of the amino group is known as
1.deamination
2.hydrolysis
3.ammunition
4.hydration
In older dying leaves to younger leaves; the mineral ions are assimilated into
1. deposition of organic and inorganic compounds
2.organic compound
3. inorganic compounds
4.none of these
In this species of Selaginella; the apex continues its vegetative growth beyond the formation of strobilus
1.S.cuspidata
2. S.helvetica
3. S.rupestris
4.None of the above
The chromosomes accounted for sex determination are referred to as
1.Heterosis
2. Multiple alleles
3.Allosomes
4.Autosomes
Leaves fall of helping in plant to get rid of accumulated wastes hence known as
1. ebony
2.sacrifice
3.excretophore
4.helper
Male gametes in Selaginella are
1.Multiflagellated
2.Biflagellated
3.Monoflagellated
4.Aflagellated
Most effective light for stomatal opening is
1.Red
2.Blue
3.Green
4. Yellow
Passage of water across a selectively permeable membrane is
1.osmosis
2.active transport
3.facilitated diffusion
4.pinocytosis
Phenomena through which water is absorbed by solids such as colloids leading them to increase in volume is
1.diffusion
2.imbibition
3. facilitated diffusion
4.osmosis
Placoid scales are found in
1.paleontological fishes
2. lung fishes
3. bony fishes
4.cartilaginous fishes
Stele of Selaginella stem is
1.Eustelic
2.Solenostelic
3.Solenostelic
4.Dictyostelic
The character that Selaginella possesses which is of evolutionary significance is
1.Strobilus
2.Heterospory
3.Seed
4.Ligule
The condition of Free martin is observed in
1.Frog
2.Rabbit
3.Goat/sheep etc
4.Man
The distinguishing factor between rays and sharks are
1.type of tail fin
2.position of gill slits
3.position of mouth
4.nature of their scales
The only treatment in case of uremia is
1. dialysis
2.lithotripsy
3.lung transplant
4. kidney transplant
The presence of ________ anatomically characterizes the stem of Selaginella
1.Protostele
2.Amphiphloic siphonostele
3. Siphonostele
4.Ectophloic siphonostele
This causes the maximum accumulation of fat in the liver
1.meat and egg
2.alcohol
3.saturated fat
4.starch
This causes tunnel vision
1.Smoking
2.Alcohol
3.Barbiturates
4.Vitamin A deficiency
This characterizes the presence of Selaginella
1. Ligule
2. Homospory
3.Flowers
4.None of these
This drug along with alcohol generates marked drowsiness otherwise does not produce sedative effect
1.Marijuana
2.Valium
3. Antihistamine
4. Barbiturate
This fish shows dorsal fin modified into suckers
1.Neoceratodus
2.Hippocampus
3.Echeneis
4.Torpedo
This has a cartilaginous endoskeleton
1.Bony fishes
2.Mollusca
3.Dipnoi
4.Elasmobranch
This is a characteristic feature of fishes
1.gills and epidermal scales
2.tail and epidermal scales
3. gills and venous heart
4.venous heart and tail
This is a consequence of alcohol addiction
1.psychosis; hypertension and fatty liver syndrome
2.cardiovascular diseases; hypertension and fatty liver syndrome
3.ulcers; all types of mental illness; vitamin deficiency; cardiovascular diseases
4.all of these
This is a living fossil
1.Lepidosiren
2. Latimeria
3.Lepidosteus
4.None of these
This is a migratory fish
1.Ribbon fish
2. Carp
3.Salmon
4.Shark
This is a result of the appearance of the fatty liver syndrome
1.synthesis of fatty acids; fat and glycerols
2.synthesis of fat from alcohol
3. synthesis of fat from amino acids
4. excessive synthesis of fat from fatty acids
This is a withdrawal symptom of alcohol consumption
1.Delirium
2.Nausea and vomiting
3.swollen and patchy face
4.all of these
This is responsible for production of concentrated urine
1.proximal tubule
2.cortical nephrons
3.distal tubule
4. juxtamedullary nephron
This is the innermost layer of sporangium of Selaginella
1. Tapetum
2.Synangium
3.Elaters
4. None of these
This is uncommon in Selaginella and Funaria
1.Embryo
2. Roots
3. Archegonium
4.Motile sperms
This nephron segment is not permeable to water even in the presence of ADH
1.Collecting duct
2.descending limb of loop of Henle
3.ascending limb of loop of Henle
4. both (b) and (c)
This statement regarding Selaginella is incorrect
1.Endodermis is trabeculated
2.Vascular cylinder is protostelic
3.Few species of Selaginella are truly xerophytic
4.Selaginella is commonly distributed on plains and hills
This type of nephron is best to conserve water in body
1.Juxtamedullary nephrons
2.cortical nephrons
3.both (a) and (b)
4.serotical nephrons
Transpiration is a phenomenon pertaining to
1.Activated transport
2.Diffusion
3. Osmosis
4.Facilitated diffusion
True fishes have fins and gills. This is not a true fish
1.Hippocampus – SeaHorse
2.Hythalamictyes – Silver carp
3.Carassius – Goldfish
4.Lepisma – Silverfish
Type of association between shark and suckerfish is
1.Predation
2.Parasitism
3. Commensalism
4.Symbiosis
Wall pressure will______________ with rise in turgidity
1. increase
2.decrease
3.remain unaffected
4.fluctuate
When placed in water; raisins swell up as a result of
1.Adsorption
2.Plasmolysis
3.Endosmosis
4.Diffusion