NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 28 Sample Test,Sample questions

Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
A common trait between tadpole and fish is

1.scales

2. lateral line

3. fins

4.legs

Posted Date:-2021-02-22 04:27:27


Question:
Active uptake of sodium is promoted by action of enzyme known as

1.adrenatrone

2. aldosterone

3. antidiuretic

4.diuretic

Posted Date:-2021-02-22 04:27:27


Question:
After drinking alcohol; consumption of this leads to death

1.Morphine

2.Opium

3. Barbiturate

4. All of these

Posted Date:-2021-02-22 04:27:27


Question:
Alcoholism causing fatty acid syndrome is called

1.Cirrhosis

2.Neuritis

3.Gastritis

4.Nephritis

Posted Date:-2021-02-22 04:27:27


Question:
 Liver functions are pivotal to

1.osmoregulation

2.thermoregulation

3. homeostasis

4.all of these

Posted Date:-2021-02-22 04:27:27


Question:
 Water is forcefully pushed beyond endodermis of the root through the process of

1.diffusion

2. transmembrane transport

3.symplast pathway

4.apoplast pathway

Posted Date:-2021-02-22 04:27:27


Question:
Constituent of alcoholic beverage is

1.Propyl alcohol

2.Methyl alcohol

3.Ethyl alcohol

4.Mix of all of these

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
Diffusion of water through selectively permeable membrane is

1.osmosis

2.imbibition

3.translocation

4.diffusion

Posted Date:-2021-02-22 04:27:27


Question:
Division to which Selaginella belongs is

1. Psilopsida

2.Pteropsida

3.Lycopsida

4.Spenopsida

Posted Date:-2021-02-22 04:27:27


Question:
During catabolism of amino acids; the release of the amino group is known as

1.deamination

2.hydrolysis

3.ammunition

4.hydration

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
The chromosomes accounted for sex determination are referred to as

1.Heterosis

2. Multiple alleles

3.Allosomes

4.Autosomes

Posted Date:-2021-02-22 04:27:27


Question:
Leaves fall of helping in plant to get rid of accumulated wastes hence known as

1. ebony

2.sacrifice

3.excretophore

4.helper

Posted Date:-2021-02-22 04:27:27


Question:
Male gametes in Selaginella are

1.Multiflagellated

2.Biflagellated

3.Monoflagellated

4.Aflagellated

Posted Date:-2021-02-22 04:27:27


Question:
Most effective light for stomatal opening is

1.Red

2.Blue

3.Green

4. Yellow

Posted Date:-2021-02-22 04:27:27


Question:
Passage of water across a selectively permeable membrane is

1.osmosis

2.active transport

3.facilitated diffusion

4.pinocytosis

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
Placoid scales are found in

1.paleontological fishes

2. lung fishes

3. bony fishes

4.cartilaginous fishes

Posted Date:-2021-02-22 04:27:27


Question:
Stele of Selaginella stem is

1.Eustelic

2.Solenostelic

3.Solenostelic

4.Dictyostelic

Posted Date:-2021-02-22 04:27:27


Question:
The character that Selaginella possesses which is of evolutionary significance is

1.Strobilus

2.Heterospory

3.Seed

4.Ligule

Posted Date:-2021-02-22 04:27:27


Question:
The condition of Free martin is observed in

1.Frog

2.Rabbit

3.Goat/sheep etc

4.Man

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
The only treatment in case of uremia is

1. dialysis

2.lithotripsy

3.lung transplant

4. kidney transplant

Posted Date:-2021-02-22 04:27:27


Question:
The presence of ________ anatomically characterizes the stem of Selaginella

1.Protostele

2.Amphiphloic siphonostele

3. Siphonostele

4.Ectophloic siphonostele

Posted Date:-2021-02-22 04:27:27


Question:
This causes the maximum accumulation of fat in the liver

1.meat and egg

2.alcohol

3.saturated fat

4.starch

Posted Date:-2021-02-22 04:27:27


Question:
This causes tunnel vision

1.Smoking

2.Alcohol

3.Barbiturates

4.Vitamin A deficiency

Posted Date:-2021-02-22 04:27:27


Question:
This characterizes the presence of Selaginella

1. Ligule

2. Homospory

3.Flowers

4.None of these

Posted Date:-2021-02-22 04:27:27


Question:
This drug along with alcohol generates marked drowsiness otherwise does not produce sedative effect

1.Marijuana

2.Valium

3. Antihistamine

4. Barbiturate

Posted Date:-2021-02-22 04:27:27


Question:
This fish shows dorsal fin modified into suckers

1.Neoceratodus

2.Hippocampus

3.Echeneis

4.Torpedo

Posted Date:-2021-02-22 04:27:27


Question:
This has a cartilaginous endoskeleton

1.Bony fishes

2.Mollusca

3.Dipnoi

4.Elasmobranch

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
This is a living fossil

1.Lepidosiren

2. Latimeria

3.Lepidosteus

4.None of these

Posted Date:-2021-02-22 04:27:27


Question:
This is a migratory fish

1.Ribbon fish

2. Carp

3.Salmon

4.Shark

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
This is a withdrawal symptom of alcohol consumption

1.Delirium

2.Nausea and vomiting

3.swollen and patchy face

4.all of these

Posted Date:-2021-02-22 04:27:27


Question:
This is responsible for production of concentrated urine

1.proximal tubule

2.cortical nephrons

3.distal tubule

4. juxtamedullary nephron

Posted Date:-2021-02-22 04:27:27


Question:
This is the innermost layer of sporangium of Selaginella

1. Tapetum

2.Synangium

3.Elaters

4. None of these

Posted Date:-2021-02-22 04:27:27


Question:
This is uncommon in Selaginella and Funaria

1.Embryo

2. Roots

3. Archegonium

4.Motile sperms

Posted Date:-2021-02-22 04:27:27


Question:
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)

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
Transpiration is a phenomenon pertaining to

1.Activated transport

2.Diffusion

3. Osmosis

4.Facilitated diffusion

Posted Date:-2021-02-22 04:27:27


Question:
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

Posted Date:-2021-02-22 04:27:27


Question:
Type of association between shark and suckerfish is

1.Predation

2.Parasitism

3. Commensalism

4.Symbiosis

Posted Date:-2021-02-22 04:27:27


Question:
Wall pressure will______________ with rise in turgidity

1. increase

2.decrease

3.remain unaffected

4.fluctuate

Posted Date:-2021-02-22 04:27:27


Question:
When placed in water; raisins swell up as a result of

1.Adsorption

2.Plasmolysis

3.Endosmosis

4.Diffusion

Posted Date:-2021-02-22 04:27:27


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