This is concerned with the intrinsic pathway of apoptosis
1. cytochrome d
2.cytochrome c
3.cytochrome b
4.cytochrome a
6. Following form(s) of oxygen is/are involved in ozone-oxygen cycle
1. triatomic oxygen (O3)
2. diatomic oxygen (O2)
3.atomic oxygen (O)
4.all of these
Apoptotic cells detach due to the inactivation of this
1.PKC
2.PKC
3.RAF1
4.FAK
Ascaris has ______ cells in the excretory system
1. Green gland
2.Flame
3.Nephron
4. Renette
Ascaris lumbricoides is found living in the intestine of
1.Pig
2.Homo sapiens
3.Monkey
4.Goat and sheep
Apoptotic bodies can be recognized with the presence of these on the surface
1.phosphatidyl tyrosine
2.phosphatidylinositol
3.phosphatidylcholine
4.phosphatidylserine
Cristae in mitochondria serves as sites for
1.oxidation reduction reaction
2.protein synthesis
3.macromolecules breakdown
4. flavoproteins are phosphorylated
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
1. Ammonia
2. Freon
3.Methane
4. carbon dioxide
Inner membrane of mitochondria is rich in phospholipid _______
1.phosphatidylserine
2.phosphatidylinositol
3.phosphatidylcholine
4.cardiolipin
Inner mitochondrial membrane has
1.cytochrome oxidase complex
2.b-c 1 complex
3.NADH dehydrogenase complex
4. all of the above
Pancreatitis can be produced by the following drug
1. Ciprofloxacin
2.Nalidixic acid
3.Colchicine
4. L-Asparaginase
This is an active cell death process
1.necrosis
2.lysis
3.apoptosis
4.senescence
This is not the consequence of ozone layer depletion
1. malignant melanoma – skin cancer type
2.increased ultraviolet radiations
3. tides
4.(d) cyanobacteria are sensitive to UV rays and would be affected by its increase
Gasless abdomen in X-ray is a sign of
1.Ulcerative colitis
2. Acute pancreatitis
3.Intussusception
4.Necrotizing enterocolitis
Good ozone is found in the
1. stratosphere
2.ionosphere
3. troposphere
4. mesosphere
In Ascaris; the period of incubation outside the human body is
1.More than 30 days
2.15-30 days
3.8-14 days
4. 4-8 days
In the life cycle of Ascaris; the infective stage is
1.Third lava
2. Second larva
3.Cyst
4. Fertilized egg
Inhibition of gastric secretions is brought about by
1.GIP
2.Cholecystokinin
3. Gastrin
4.Pancreozymin
This is true of the population which are included in Hardy-Weinberg equilibrium
1. entities migrate constantly
2.populations should be limited and small
3.mating is random
4.process of natural selection is occurring
Main cause of ozone holes and its depletion is
1.propellants
2. foam-blowing agents
3.halocarbon refrigerants
4. all of these
Montreal protocol is related to the
1.food security
2.global warming
3.sustainable development
4.ozone layer depletion
Mt DNA is
1.simple single stranded circular DNA molecule
2.simple double stranded circular DNA molecule
3.simple double stranded linear DNA molecule
4.simple single stranded linear DNA molecule
One of the constituents of the pancreatic juice while poured into the duodenum in humans is
1. trypsin
2.enterokinase
3. trypsinogen
4. chymotrypsin
Oxysomes of F0-F1 particles take place on
1.Chloroplast surface
2.Thylakoid
3.Inner mitochondrial membrane
4.Mitochondrial surface
Ozone can be destroyed by the following free radical(s)
1. chlorine radical (Cl)
2.hydroxyl radicals (OH)
3.nitric oxide radical (NO
4.all of these
Pancreas is not
1. Elongated organ
2.Compound
3. Exocrine portion secretes pancreatic juice
4.Located above duodenum
Pick the incorrect statement
1.mitochondrial DNA is known as mtDNA
2.mitochondria is the powerhouse of the cell
3. mitochondria is the site for calvin cycle
4.mitochondria is the site for krebs cycle and oxidative phosphorylation
Pick the incorrect statement
1.generally; chloroplasts are larger than mitochondria
2.mitochondria and chloroplasts both have DNA
3.mitochondria and chloroplasts both contain an outer and inner membrane
4.mitochondria and chloroplasts both have an internal compartment; the thylakoid space bound by thylakoid membrane
Secretion of pancreatic juice is triggered by
1. secretin
2.enterogastrone
3.gastrin
4.enterokinase
Shrinking of the nucleus is caused when this inactivates
1.gelsolin
2.tubulin
3. actin
4.lamin
Syncytial epidermis is found in_______.
1.Ascaris
2.Metaphire
3.Housefly
4.Periplaneta
The body cavity of Ascaris is pseudocoel as
1. it is filled with pseudocoelomic fluid
2. has very little parenchyma
3.contains large cells termed pseudocoelocytes
4.bound extremely by muscle layer and internally by intestines
The islets of Langerhans are found in
1.Stomach
2.Alimentary canal
3.Pancreas
4.Liver
The process of morphological differentiating male and female sexes is known as
1.sexual dimorphism
2.polymorphism
3. variation
4.none of the above
This can stimulate cytochrome release from mitochondria
1.Akt
2.Bid
3.Bad
4.Smac
This cannot be killed by apoptosis
1.immune cells
2.cells with DNA damage
3.cancer cells
4.a cell infected with viruses
This cell organelle participates actively in animal apoptosis
1.nucleus
2.vacuoles
3. mitochondria
4.chloroplast
This has no alternate host
1.Plasmodium vivax
2.Tapeworm
3.Fasiola hepatica
4.Ascaris lumbricoides
This is a common passage for bile and pancreatic juice
1. stomach
2.ampulla
3.duct of oddi
4.duct of wirsung
This is a major product of chief cells
1.Mucus
2. Vitamin B12
3.Pepsinogen
4.HCl
This is a major risk linked with extreme ultraviolet rays through the atmosphere as a result of ozone layer depletion
1.neurological disorder
2.digestive system gets damaged
3.increased liver cancer
4.increased skin cancer
This is an anti-apoptotic protein
1.Bim
2. Bcl-Xs
3.Bfl 1
4. NOXA
This is an extracellular messenger of apoptosis
1.tumor necrosis factor
2.serine
3. translation inhibitor
4.ribozyme
This is most diagnostic investigation for acute pancreatitis
1.Serum LDH
2. Serum amylase
3. Serum Lipase
4.Serum P-isoamylase
This is not a function of mitochondria
1.fatty acid breakdown
2. non-shivering thermogenesis
3.electron transport chain and associated ATP production
4.glycolysis and associated ATP production
This is the basis on which female Ascaris can be identified.
1. Two spicules found at the posterior end
2.Presence of postanal and preanal papillae
3.Straight posterior end
4. Common cloacal aperture
This statement is incorrect about mitochondrial membrane
1. outer membrane is permeable to all molecule types
2.outer membrane is resembles a sieve
3.outer membrane embeds enzymes of electron transfer chain
4.none of these
Typically; the inner membrane of mitochondria is highly convoluted to form a series of infolding known as
1.grana
2.thylakoids
3.cristae
4.lamellae
UV rays is higher in summer as
1.during summer; ozone is more in the atmosphere
2.sun is busy in summer specially
3.sun is closer to planet earth so UV rays have a shorter distance to travel and reach us
4.none of the above
_______ is known as a coelom derived from blastocoel
1.Enterocoel
2.Haemocoel
3.Pseudocoel
4.Schizocoel