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NEET Biology MCQS Mock Test Paper 28
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1. The chromosomes accounted for sex determination are referred to as
Heterosis
Multiple alleles
Allosomes
Autosomes
2. The condition of Free martin is observed in
Frog
Rabbit
Goat/sheep etc
Man
3. Consumption of this causes increase in the fat synthesis; dilation of blood vessels; low blood sugar and stomach-inflammation
drug addiction and tobacco
alcohol
tobacco
drug addiction
4. This causes tunnel vision
Smoking
Alcohol
Barbiturates
Vitamin A deficiency
5. After drinking alcohol; consumption of this leads to death
Morphine
Opium
Barbiturate
All of these
6. This drug along with alcohol generates marked drowsiness otherwise does not produce sedative effect
Marijuana
Valium
Antihistamine
Barbiturate
7. Constituent of alcoholic beverage is
Propyl alcohol
Methyl alcohol
Ethyl alcohol
Mix of all of these
8. This is a result of the appearance of the fatty liver syndrome
synthesis of fatty acids; fat and glycerols
synthesis of fat from alcohol
synthesis of fat from amino acids
excessive synthesis of fat from fatty acids
9. Alcoholism causing fatty acid syndrome is called
Cirrhosis
Neuritis
Gastritis
Nephritis
10. This is a withdrawal symptom of alcohol consumption
Delirium
Nausea and vomiting
swollen and patchy face
all of these
11. This causes the maximum accumulation of fat in the liver
meat and egg
alcohol
saturated fat
starch
12. This is a consequence of alcohol addiction
psychosis; hypertension and fatty liver syndrome
cardiovascular diseases; hypertension and fatty liver syndrome
ulcers; all types of mental illness; vitamin deficiency; cardiovascular diseases
all of these
13. Division to which Selaginella belongs is
Psilopsida
Pteropsida
Lycopsida
Spenopsida
14. The character that Selaginella possesses which is of evolutionary significance is
Strobilus
Heterospory
Seed
Ligule
15. This statement regarding Selaginella is incorrect
Endodermis is trabeculated
Vascular cylinder is protostelic
Few species of Selaginella are truly xerophytic
Selaginella is commonly distributed on plains and hills
16. In this species of Selaginella; the apex continues its vegetative growth beyond the formation of strobilus
S.cuspidata
S.helvetica
S.rupestris
None of the above
17. This is uncommon in Selaginella and Funaria
Embryo
Roots
Archegonium
Motile sperms
18. The presence of ________ anatomically characterizes the stem of Selaginella
Protostele
Amphiphloic siphonostele
Siphonostele
Ectophloic siphonostele
19. This characterizes the presence of Selaginella
Ligule
Homospory
Flowers
None of these
20. Male gametes in Selaginella are
Multiflagellated
Biflagellated
Monoflagellated
Aflagellated
21. Stele of Selaginella stem is
Eustelic
Solenostelic
Solenostelic
Dictyostelic
22. This is the innermost layer of sporangium of Selaginella
Tapetum
Synangium
Elaters
None of these
23. A common trait between tadpole and fish is
scales
lateral line
fins
legs
24. This has a cartilaginous endoskeleton
Bony fishes
Mollusca
Dipnoi
Elasmobranch
25. True fishes have fins and gills. This is not a true fish
Hippocampus – SeaHorse
Hythalamictyes – Silver carp
Carassius – Goldfish
Lepisma – Silverfish
26. This fish shows dorsal fin modified into suckers
Neoceratodus
Hippocampus
Echeneis
Torpedo
27. This is a living fossil
Lepidosiren
Latimeria
Lepidosteus
None of these
28. This is a migratory fish
Ribbon fish
Carp
Salmon
Shark
29. The distinguishing factor between rays and sharks are
type of tail fin
position of gill slits
position of mouth
nature of their scales
30. Type of association between shark and suckerfish is
Predation
Parasitism
Commensalism
Symbiosis
31. Placoid scales are found in
paleontological fishes
lung fishes
bony fishes
cartilaginous fishes
32. This is a characteristic feature of fishes
gills and epidermal scales
tail and epidermal scales
gills and venous heart
venous heart and tail
33. Phenomena through which water is absorbed by solids such as colloids leading them to increase in volume is
diffusion
imbibition
facilitated diffusion
osmosis
34. In older dying leaves to younger leaves; the mineral ions are assimilated into
deposition of organic and inorganic compounds
organic compound
inorganic compounds
none of these
35. Passage of water across a selectively permeable membrane is
osmosis
active transport
facilitated diffusion
pinocytosis
36. Wall pressure will______________ with rise in turgidity
increase
decrease
remain unaffected
fluctuate
37. Most effective light for stomatal opening is
Red
Blue
Green
Yellow
38. Diffusion of water through selectively permeable membrane is
osmosis
imbibition
translocation
diffusion
39. Water is forcefully pushed beyond endodermis of the root through the process of
diffusion
transmembrane transport
symplast pathway
apoplast pathway
40. Transpiration is a phenomenon pertaining to
Activated transport
Diffusion
Osmosis
Facilitated diffusion
41. When placed in water; raisins swell up as a result of
Adsorption
Plasmolysis
Endosmosis
Diffusion
42. 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
DPD
Osmosis
Imbibition
Diffusion
43. Liver functions are pivotal to
osmoregulation
thermoregulation
homeostasis
all of these
44. During catabolism of amino acids; the release of the amino group is known as
deamination
hydrolysis
ammunition
hydration
45. The only treatment in case of uremia is
dialysis
lithotripsy
lung transplant
kidney transplant
46. This type of nephron is best to conserve water in body
Juxtamedullary nephrons
cortical nephrons
both (a) and (b)
serotical nephrons
47. This is responsible for production of concentrated urine
proximal tubule
cortical nephrons
distal tubule
juxtamedullary nephron
48. This nephron segment is not permeable to water even in the presence of ADH
Collecting duct
descending limb of loop of Henle
ascending limb of loop of Henle
both (b) and (c)
49. Leaves fall of helping in plant to get rid of accumulated wastes hence known as
ebony
sacrifice
excretophore
helper
50. Active uptake of sodium is promoted by action of enzyme known as
adrenatrone
aldosterone
antidiuretic
diuretic
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