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level: level 2

Questions and Answers List

level questions: level 2

Question	Answer
carbohydrates in the chyme are hydrolysed by which enzyme into disaccharides	pancreatic amylase
rennin and pepsinogen are secreted in	stomach
the common passage for food and air is	phrynx
which glands are found in submucosa of duodenum	brunner's gland
trachea get divided into left and right primary bronchi at the level of	5th thorasic vertebra
time interval between the closure of semilunar valve and closure of AV valve respectively is	0.5 sec
blood supply to heart musculature is via	coronary artery
coronary artery disease, (CAD) often referred to as	Atherosclerosis
Carbohydrates which present in the cell membrane take part in	Cell recognition
cartwheel structure	9+0
Frame work elements of plant cell	Carbon, Hydrogen and Oxygen
During different stages of cell division, cell show ............. in place of the nucleus. A single human cell has approximately ............ meter long thread of DNA distributed among its ......... chromosomes	Chromosomes, 2, 46
Meiosis has evolutionary significant because it result in	recombinations
If a diploid cell has 16 tetrads, then what will be the number of chromosome in a cell at anaphase-I and anaphase-II respectively	32, 32
How many carbon atoms are generally used in composition of monosaccharides	3 to 7
Which of following is example of epimer ?	β – D – glucose and β – D – mannose
Choose the incorrect option for given diagram	A - Nucleus,B - Nuclear pore C - RER,D - Ribosome E - SER
Which of the following compound is absent in acid insoluble pool ?	Monosaccharide
Which of the following is not a constituent of DNA	Ribose sugar
in some plants thalamus contributes to fruit formation. such fruits are called	false fruits
chromosomal theory of inheritance was proposed by	sutton and boveri
phycoerythrin is the major pigment in	red algae
in recombinant DNA technology antibiotics are used	as selectable markers
in the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of	1'C pentose sugar
in glycine max, the product of biological nitrogen fixation is transported from the root nodules to other parts as	ureides
the number of contrasting characters studied by mendel for his experiments was	7
attachment of spindle fibers to kinetochores of chromosomes become evident in	metaphase
match them 1)aquaporin 2)asparagine 3)abscisic acid 4)chitin	1)polypeptide 2)amide 3)carotenoids 4)polysaccharide
which of the following elements helps in maintaining the structure of ribosome	magnesium
who coined the term kinetin	skoog and miller
embryological support for evolution was proposed by	ernst heckel
inclusion bodies of blue-green, purple and green photosynthetic bacteria are	gas vacuoles
inhibitory substances in dormant seeds cannot be removed by subjecting seeds to	ascorbic acid
male and female gametophytes do not have an independent free living existance in	angiosperms
match fruit ripener herbicides bolting agent stress hormone	ethephon 2,4-D GA3 abscisic acid
pyruvate dehydrogenase activity during aerobic respiration requires	magnesium
spooling is	collection of isolated DNA
the phenomenon of evolution of different secies in a given geographical area starting from a point and spreading to other habitats is called	adaptive radiation
the best example for pleiotropy is	phenylketoneuria
intrinsic factor that helps in the absorption of vitamin B12 is secreted by	oxyntic cells
hormones stored and released from neurohypohysis are	oxytocin and vasopressin
in human beings, at the end of 12 weeks of pregnancy , the following is observed	most of the major organ systems are formed
the proteolytic enzyme rennin is found in	gastric juice
cyclosporin A, used as immuno suppression agent, is produced from	trichoderma polysporum
grinding of the food particles secrete gastric juice 10 pairs anal cerci	proventricular hepatic caecal spiracles 10th segment
what is associated with decrease in cardiac output	parasympathetic neural signals
the laws and rules to prevent unauthorised exploitation of bio-resources are termed as	biopaternting
what conditions cause erythroblastosis foetalis	mother Rh-ve and foetus Rh+ve
which of the following cell organelles is present in the highest number in secretory cells	golgi complex
non-membranous nucleoplasmic structures in nucleus are the site for active synthesis of	rRNA
which of the following nucleic acids is present in an organism having 70s ribosomes only	double stranded circular naked DNA
after meiosis-I, the resultant daughter cells have	twice the amount of DNA in comparison to haploid gamete
which of the following organic compound is the main constituent of lecithin	phospholipid
what will be the sequence of mRNA produced by the following stretch of DNA 3'ATGCATGCATGCATG5' TEMPLATE STRAND 5'TACGTACGTACGTAC3' CODING STRAND	5'UACGUACGUACGUAC3'
the two antibiotic resistance genes on vector pBR322 are	ampicillin and tetracycline
RNA polymerase with their transcribed products; RNA polymerase I RNA polymerase II RNA polymerase III	rRNA hnRNA tRNA
a population of a species invades a new area. which of the following condition will lead to adaptive radiation	area with many types of vacant habitats
label	A-protien hormone, B-receptor, C-cyclic AMP
humans have aquired immune system that produces antibodies to neutralize pathogens. still innate immune system is present at the time of birth because it	has natural killer cells which can phagocytose and destroy microbes
match the following joints with the bones involed; 1)between carpals 2)between humerus and ulna 3)between atlas and axis 4)between carpal and metacarpal of thumb	gliding joint, hinge joint pivot joint and saddle joint
artificial light, extended work time and reduced sleep time disrupt the activity of	pineal gland
which of the following conditions will stimulate parathyroid gland to release parathyroid hormone	fall in blood Ca+2 levels