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NEET Biology MCQS Mock Test Paper 30
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1. This is true of the population which are included in Hardy-Weinberg equilibrium
entities migrate constantly
populations should be limited and small
mating is random
process of natural selection is occurring
2. Ascaris has ______ cells in the excretory system
Green gland
Flame
Nephron
Renette
3. Syncytial epidermis is found in_______.
Ascaris
Metaphire
Housefly
Periplaneta
4. _______ is known as a coelom derived from blastocoel
Enterocoel
Haemocoel
Pseudocoel
Schizocoel
5. This is the basis on which female Ascaris can be identified.
Two spicules found at the posterior end
Presence of postanal and preanal papillae
Straight posterior end
Common cloacal aperture
6. In Ascaris; the period of incubation outside the human body is
More than 30 days
15-30 days
8-14 days
4-8 days
7. In the life cycle of Ascaris; the infective stage is
Third lava
Second larva
Cyst
Fertilized egg
8. The body cavity of Ascaris is pseudocoel as
it is filled with pseudocoelomic fluid
has very little parenchyma
contains large cells termed pseudocoelocytes
bound extremely by muscle layer and internally by intestines
9. Ascaris lumbricoides is found living in the intestine of
Pig
Homo sapiens
Monkey
Goat and sheep
10. The process of morphological differentiating male and female sexes is known as
sexual dimorphism
polymorphism
variation
none of the above
11. This has no alternate host
Plasmodium vivax
Tapeworm
Fasiola hepatica
Ascaris lumbricoides
12. This is an extracellular messenger of apoptosis
tumor necrosis factor
serine
translation inhibitor
ribozyme
13. This is concerned with the intrinsic pathway of apoptosis
cytochrome d
cytochrome c
cytochrome b
cytochrome a
14. Apoptotic bodies can be recognized with the presence of these on the surface
phosphatidyl tyrosine
phosphatidylinositol
phosphatidylcholine
phosphatidylserine
15. Apoptotic cells detach due to the inactivation of this
PKC
PKC
RAF1
FAK
16. Shrinking of the nucleus is caused when this inactivates
gelsolin
tubulin
actin
lamin
17. This cell organelle participates actively in animal apoptosis
nucleus
vacuoles
mitochondria
chloroplast
18. This can stimulate cytochrome release from mitochondria
Akt
Bid
Bad
Smac
19. This cannot be killed by apoptosis
immune cells
cells with DNA damage
cancer cells
a cell infected with viruses
20. This is an anti-apoptotic protein
Bim
Bcl-Xs
Bfl 1
NOXA
21. This is an active cell death process
necrosis
lysis
apoptosis
senescence
22. Cristae in mitochondria serves as sites for
oxidation reduction reaction
protein synthesis
macromolecules breakdown
flavoproteins are phosphorylated
23. Pick the incorrect statement
mitochondrial DNA is known as mtDNA
mitochondria is the powerhouse of the cell
mitochondria is the site for calvin cycle
mitochondria is the site for krebs cycle and oxidative phosphorylation
24. Inner membrane of mitochondria is rich in phospholipid _______
phosphatidylserine
phosphatidylinositol
phosphatidylcholine
cardiolipin
25. Mt DNA is
simple single stranded circular DNA molecule
simple double stranded circular DNA molecule
simple double stranded linear DNA molecule
simple single stranded linear DNA molecule
26. Inner mitochondrial membrane has
cytochrome oxidase complex
b-c 1 complex
NADH dehydrogenase complex
all of the above
27. This is not a function of mitochondria
fatty acid breakdown
non-shivering thermogenesis
electron transport chain and associated ATP production
glycolysis and associated ATP production
28. This statement is incorrect about mitochondrial membrane
outer membrane is permeable to all molecule types
outer membrane is resembles a sieve
outer membrane embeds enzymes of electron transfer chain
none of these
29. Oxysomes of F0-F1 particles take place on
Chloroplast surface
Thylakoid
Inner mitochondrial membrane
Mitochondrial surface
30. Pick the incorrect statement
generally; chloroplasts are larger than mitochondria
mitochondria and chloroplasts both have DNA
mitochondria and chloroplasts both contain an outer and inner membrane
mitochondria and chloroplasts both have an internal compartment; the thylakoid space bound by thylakoid membrane
31. Typically; the inner membrane of mitochondria is highly convoluted to form a series of infolding known as
grana
thylakoids
cristae
lamellae
32. Inhibition of gastric secretions is brought about by
GIP
Cholecystokinin
Gastrin
Pancreozymin
33. One of the constituents of the pancreatic juice while poured into the duodenum in humans is
trypsin
enterokinase
trypsinogen
chymotrypsin
34. Pancreatitis can be produced by the following drug
Ciprofloxacin
Nalidixic acid
Colchicine
L-Asparaginase
35. Gasless abdomen in X-ray is a sign of
Ulcerative colitis
Acute pancreatitis
Intussusception
Necrotizing enterocolitis
36. This is a major product of chief cells
Mucus
Vitamin B12
Pepsinogen
HCl
37. The islets of Langerhans are found in
Stomach
Alimentary canal
Pancreas
Liver
38. Secretion of pancreatic juice is triggered by
secretin
enterogastrone
gastrin
enterokinase
39. This is a common passage for bile and pancreatic juice
stomach
ampulla
duct of oddi
duct of wirsung
40. Pancreas is not
Elongated organ
Compound
Exocrine portion secretes pancreatic juice
Located above duodenum
41. This is most diagnostic investigation for acute pancreatitis
Serum LDH
Serum amylase
Serum Lipase
Serum P-isoamylase
42. Good ozone is found in the
stratosphere
ionosphere
troposphere
mesosphere
43. This is not the consequence of ozone layer depletion
malignant melanoma – skin cancer type
increased ultraviolet radiations
tides
(d) cyanobacteria are sensitive to UV rays and would be affected by its increase
44. Greenhouses gases causing a rise of 3℃ rise in the overall global temperature in the past century are CFCs. The CFC used in refrigerators is
Ammonia
Freon
Methane
carbon dioxide
45. Main cause of ozone holes and its depletion is
propellants
foam-blowing agents
halocarbon refrigerants
all of these
46. Ozone can be destroyed by the following free radical(s)
chlorine radical (Cl)
hydroxyl radicals (OH)
nitric oxide radical (NO
all of these
47. 6. Following form(s) of oxygen is/are involved in ozone-oxygen cycle
triatomic oxygen (O3)
diatomic oxygen (O2)
atomic oxygen (O)
all of these
48. Montreal protocol is related to the
food security
global warming
sustainable development
ozone layer depletion
49. This is a major risk linked with extreme ultraviolet rays through the atmosphere as a result of ozone layer depletion
neurological disorder
digestive system gets damaged
increased liver cancer
increased skin cancer
50. UV rays is higher in summer as
during summer; ozone is more in the atmosphere
sun is busy in summer specially
sun is closer to planet earth so UV rays have a shorter distance to travel and reach us
none of the above
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