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NEET Biology MCQS Mock Test Paper 6
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1. Ananda Chakraborty received the first U.S. patent for a GM entity. The entity was
The GloFish
a transgenic mouse expressing the growth hormone gene
Cloned E.Coli
Pseudomonas engineered to degrade petroleum
2. A process using microbes to convert toxic industrial wastes to less toxic or non-toxic compounds is
Precipitation
Complement fixation
Bioconversion
Bioremediation
3. ______ bacterium can withstand the dosage of radiation, which are several times higher than what human cells can tolerate
Escherichia coli
Conus magus
Deinococcus radiodurans
Staphylococcus aureus
4. The bioremediation process involving the usage of plants to degrade pollutants is
Composting
Biopile
Phytoremediation
Land farming
5. This is not an indigenous microbe used for bioremediation
Pseudomonas aeruginosa
Piscirickettsia salmonis
Phanerochaete sordida
E. coli
6. Which part of the ear has no role to play in hearing but is very important?
Ear ossicles
Organ of Corti
Eustachian tube
Vestibular apparatus
7. It receives sound vibration and passes to the eardrum
outer ear
middle ear
inner ear
eustachian tube
8. The border between the middle and inner ear is formed by
incus
oval window
pinnae
tympanic membrane
9. The Organ of Corti is present in
scala vestibuli
scala tympani
scala media
none of the above
10. The membranous labyrinth contains
Cystolymph
Otolymph
Perilymph
Endolymph
11. Find the correct statement about the eustachian tube
connects internal ear to external ear
it equalises pressure between middle ear and outer atmosphere
connects middle ear to pharynx
Both (b) and (c)
12. Find the correct statement about Inner ear
made up of bony and membranous segments
membranous labyrinth encloses bony labyrinth
endolymph surrounds membranous labyrinth
air-filled inner segment
13. Find the incorrect match
Middle ear – amplifies sound waves
Hair cells – present on basilar membrane
Saccule and utricle – maintain static equilibrium
Cristae – perform hearing function
14. The basilar membrane is present between
scala vestibule and scala media
scala media and scala tympani
both (a) and (b)
scala vestibule and scala tympani
15. Which among the following is also known as bog moss?
Riccia
Sphagnum
Marchantia
Funaria
16. The thalloid plant body is found in
Marchantia
Sphagnum
Funaria
Salvinia
17. In some of the liverworts, spore dispersal is aided by
elaters
peristome teeth
indusium
calyptra
18. Peat moss is used for transporting plants to distant places because
it is hygroscopic
it reduces transpiration
it is easily available
it serves as a disinfectant
19. Find the true statement about bryophytes
they have chloroplasts
they have archegonia
they are thalloid
all of the above
20. In mosses, meiosis takes place during
gamete formation
antheridia and archegonia formation
spore germination
spore formation
21. A characteristic feature of bryophytes is
a dominant and parasitic sporophyte
a dominant and spore-producing gametophyte
a small sporophyte phase, which is dependent on the gametophyte
sporophytes stay for a longer duration
22. The antherozoids of Funaria are
monociliated
biciliated
multiciliated
aciliated
23. All the plants like fern and mosses, which produce spores are grouped under
bryophytes
cryptogams
thallophytes
sporophytes
24. Independent male and female gametophytes are present in
Pinus
mustard
castor
Sphagnum
25. Pick the odd one out in context of their surrounding membrane systems
Mitochondria
Chloroplasts
Endoplasmic reticulum
Nucleus
26. Pick the odd one out
Glycosomes
Mitochondria
Hydrogenosomes
Mitosomes
27. This organelle is involved in lipid metabolism
RER
SER
Golgi apparatus
Peroxisomes
28. The organelle helping in penetrating of sperm into egg during fertilization is
peroxisome
nucleus
lysosome
mitochondrion
29. Inside the cell, H2O2 clearance is brought about by
Peroxisome with enzyme amino oxidase
Glyoxysome with enzyme catalase
Peroxisome with enzyme catalase
Glyoxysome with enzyme isocitrate lyase
30. Organelle – Glyoxysomes is involved in
conversion of fatty acids to lipids
conversion of amino acids to carbohydrates
conversion of fatty acids to carbohydrates
conversion of amino acids to proteins
31. This forms the crystalline core inside peroxisome
condensed ammonium chloride
salt crystals
highly condensed oxidative enzymes
collection of phospholipids
32. The name of the group of proteins in the peroxisomal membrane is
Peroxins
Transporters
Translocation proteins
Peroxisomal membrane proteins
33. This enzyme embedded in the peroxisomal membrane is responsible to activate fatty acids before undergoing beta-oxidation.
Fatty acid dehydrogenase
3-ketothiolase
Acyl- CoA oxidase
Acyl – CoA synthase
34. This method dehydrates microbial cells by plasmolysis thereby causing them to die
Heating
Smoking
Pasteurization
Sugaring
35. The full form of PFA is
Prevention of Food Act
Protection of Food Act
Prevention of Food Adulteration
None of the above is correct
36. The preservation of food through ‘ Cold sterilization’ involves
Dehydration
Lyophilization
Refrigeration
Radiation
37. This is an example of biological hazard
Cleaners
Antibiotics
Salmonella
Dirt
38. Under the PFA Act, when is the food said to be adulterated
if any ingredient is injurious to health
if it is obtained from a diseased anima
if spices are sold without their essence
all of these
39. HACCP stands for
Physical, Chemical and Biological hazards
Accurately monitoring food hygiene hazards
Identifying CCPs, inclusive of procedure, location and process
A systematic analysis of all steps and regular monitoring of control points
40. Pasteurization is the process of healing milk
above 1500C
above 1210C
above boiling point
below boiling point
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