NEET
there are how many muscles in our body Related: Types of Muscles and Muscle Fibre?
Related: Types of Muscles and Muscle Fibre
N.c Sai Sarani answered • 3 hours agoMost sources state that there are over 640 named skeletal muscles in the human body, although some figures go up to as many as 840. The dissension comes from those that count the muscles within a complex muscle.
Mükesh Chandrakar asked • 51 minutes agoWhat is vertical and horizontal classification in biology ?explain?
Nucleotide arrangement in DNA can be seen by- a)X-ray crystallography
- b)electron microscope
- c)ultracentrifuge
- d)light microscope
Correct answer is option 'A'. Can you explain this answer?
Nucleotide arrangement in DNA can be seen by
a)
X-ray crystallography
b)
electron microscope
c)
ultracentrifuge
d)
light microscope
Akanksha Mahalle answered • 3 hours agoNucleotide arrangement in DNA can be seen by X-ray Crystallography. X-ray crystallography is used to determine 3D structures of macromolecules like proteins, nucleotides, etc. The basic principle of this techniques is that the wavelength of x-rays depends on the distance between the atoms of the structures which makes it useful for determining their arrangement.
Which of the following statements concerning RuBisCO are true.- a)RuBisCO is an enzyme.
- b)RuBisCO catalyses both the beginning steps of photorespiration and the Calvin- Benson cycle.
- c)RuBisCO is the most abundant protein on earth.
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Which of the following statements concerning RuBisCO are true.
a)
RuBisCO is an enzyme.
b)
RuBisCO catalyses both the beginning steps of photorespiration and the Calvin- Benson cycle.
c)
RuBisCO is the most abundant protein on earth.
d)
All of the above
Akanksha Mahalle answered • 3 hours agoRubisco, the most abundant enzyme on earth, has both oxygenase and carboxylase activities...
Movement of ions or molecules in a direction opposite to that of prevailing electrochemical gradient is known as- a)diffusion
- b)active transport
- c)pinocytosis
- d)brownian movement
Correct answer is option 'B'. Can you explain this answer?
Movement of ions or molecules in a direction opposite to that of prevailing electrochemical gradient is known as
a)
diffusion
b)
active transport
c)
pinocytosis
d)
brownian movement
Akanksha Mahalle answered • 3 hours agoActive Transport is defined as a process that involves the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy.”During the process of active transport, a protein pump makes use of stored energy in the form of ATP, to move molecules .The process of active is which uses an external energy ATP... more
The new varieties of plants are produced by- a)selection and hybridisation
- b)mutation and selection
- c)introduction and mutation
- d)selection and introduction
Correct answer is option 'A'. Can you explain this answer?
The new varieties of plants are produced by
a)
selection and hybridisation
b)
mutation and selection
c)
introduction and mutation
d)
selection and introduction
Akanksha Mahalle answered • 3 hours agoThe new plant varieties are produced by selection and hybridization. Selection is a non-random process which leads to individuals of different genotypes being represented unequally in their progeny in later generations of a population of self propagating units. Selection can be natural or artificial.As a part of agriculture, man started rearing plants and animals to meet his requirements. This is ... more
Plant body is gametophytic and bears haploid gametes in- a)Riccia
- b)Lycopodium
- c)Equisetum
- d)Pinus
Correct answer is option 'A'. Can you explain this answer?
Plant body is gametophytic and bears haploid gametes in
a)
Riccia
b)
Lycopodium
c)
Equisetum
d)
Pinus
Akanksha Mahalle answered • 3 hours agoThe plant body of Riccia is gametophytic and gametophytes are fleshy, prostrate and dichotomously branched. Repeated dichotomy results into a typically rosette like appearance ..Riccia thallus grow in large number in close association, covering the surface like a mat. They are relatively poorly adapted to life on land. So they are mainly confined to damp and shady places. The species of Riccia are... more
Potometer, works on the principle of- a)amount of water absorbed equals to the amount transpired
- b)osmotic pressure
- c)root pressure
- d)potential difference between the tip of the tube and that of the plant
Correct answer is option 'A'. Can you explain this answer?
Potometer, works on the principle of
a)
amount of water absorbed equals to the amount transpired
b)
osmotic pressure
c)
root pressure
d)
potential difference between the tip of the tube and that of the plant
Akanksha Mahalle answered • 3 hours agoA potometer can be used to measure the rate of transpiration that's proportional to water uptake. Transpiration cannot be measured directly as some of the water will be used in photosynthesis..A potometer or transpirometer is a tool used to measure the rate of water loss from the leaves of the plant. Potometer measures the rate of transpiration on the basis of the equal amount of water absorbed a... more
Rate of heart beat is determined by 1).purkinjee fibres. 2).papillary muscles. 3).AV node. 4).SA node.?
Akanksha Mahalle answered • 4 hours agoThe sino atrial node (SA) node, present in upper posterior wall of right atrium, serves as pacemaker as it's rate of impulse generation is hightest (0.85/second) and determines the rate and rhythm of heartbeat. Atrio Ventricular Node (AVN) is a nodal tissue that regulates the heart beat and is present in base of right atrium adjacent to interatrial septum. It produces impulse at rate of 0.45/secon... more
Aishwarya Sharma asked • 2 hours agoWhich one of the following statements about morula in humans is correct?[2010]- a)It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
- b)It has far less cytoplasm as well as less DNA than in an uncleaved zygote
- c)It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
- d)It has more cytoplasm and more DNA than an uncleaved zygote
Correct answer is option 'A'. Can you explain this answer?
Which one of the following statements about morula in humans is correct?
[2010]
a)
It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
b)
It has far less cytoplasm as well as less DNA than in an uncleaved zygote
c)
It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
d)
It has more cytoplasm and more DNA than an uncleaved zygote
Papillary muscles are found in :-- a)Haemocoel of cockroach
- b)Auricles of heart
- c)Ventricles of heart
- d)Arm
Correct answer is option 'C'. Can you explain this answer?
Papillary muscles are found in :-
a)
Haemocoel of cockroach
b)
Auricles of heart
c)
Ventricles of heart
d)
Arm
N.c Sai Sarani answered • 4 hours agoC is the answer
.The heart's ventricles, the two bottom chambers, contain muscles known as papillary muscles. These muscles attach to the leaflets of the tricuspid valve and bicuspid (mitral) valve via string-like tendons called the chordae tendineae
Robin J Vincent asked • 2 hours agoWhich one of the following is the correct matching of the events occurring during menstrual cycle?[2009]- a)Proliferative phase: Rapid regeneration of myometrium and maturation of Graffian follicle.
- b)Development of corpus luteum : Secretory phase and increased secretion of progesterone.
- c)Menstruation : Break down of myometrium and ovum not fertilised.
- d)Ovulation: LH and FSH attain peak level and sharp fall in the secretion of progesterone.
Correct answer is option 'B'. Can you explain this answer?
Which one of the following is the correct matching of the events occurring during menstrual cycle?
[2009]
a)
Proliferative phase: Rapid regeneration of myometrium and maturation of Graffian follicle.
b)
Development of corpus luteum : Secretory phase and increased secretion of progesterone.
c)
Menstruation : Break down of myometrium and ovum not fertilised.
d)
Ovulation: LH and FSH attain peak level and sharp fall in the secretion of progesterone.
Saroj Devi asked • 4 hours agoMatch column-I with column-II and select the correct answer using the codes given below.
- a)A - (ii), B-(iii), C-(iv), D-(i)
- b)A - (iv), B-(i), C-(iii), D-(ii)
- c)A - (iii), B-(ii), C-(iv), D-(i)
- d)A - (ii), B-(iii), C-(i), D-(iv)
Correct answer is option 'C'. Can you explain this answer?
Match column-I with column-II and select the correct answer using the codes given below.
a)
A - (ii), B-(iii), C-(iv), D-(i)
b)
A - (iv), B-(i), C-(iii), D-(ii)
c)
A - (iii), B-(ii), C-(iv), D-(i)
d)
A - (ii), B-(iii), C-(i), D-(iv)
Balwant Singh asked • 4 hours agoWhich of the following would probably not be true of a population whose dynamics are primarily influenced by density- independent factors?- a)The most important source of mortality in the population is unfavourable weather conditions;
- b)The birth rate of the population is dependent on the nutritional status of its adult females.
- c)Both 'a' and 'b'
- d)The population’s growth pattern is similar to the logistic growth curve.
Correct answer is option 'D'. Can you explain this answer?
Which of the following would probably not be true of a population whose dynamics are primarily influenced by density- independent factors?
a)
The most important source of mortality in the population is unfavourable weather conditions;
b)
The birth rate of the population is dependent on the nutritional status of its adult females.
c)
Both 'a' and 'b'
d)
The population’s growth pattern is similar to the logistic growth curve.
Kanshi Ram asked • 4 hours agoCri-du-chat syndrome in humans is caused by the- a)Fertilisation of an XX egg by a normal Y-bearing sperm
- b)Loss of half of the short arm of chromosome 5
- c)Loss of half of the long arm of chromosome 5
- d)Trisomy of 21st chromosome
Correct answer is option 'B'. Can you explain this answer?
Cri-du-chat syndrome in humans is caused by the
a)
Fertilisation of an XX egg by a normal Y-bearing sperm
b)
Loss of half of the short arm of chromosome 5
c)
Loss of half of the long arm of chromosome 5
d)
Trisomy of 21st chromosome
Shashi Kant asked • 4 hours agoWhich one of the statement given below is not correct? - a)As a result of light reaction, oxygen, NADPH and ATP are formed. Oxygen is released into the atmosphere, while NADP and ATP are utilised for reduction of carbon dioxide tb carbohydrate in dark reaction
- b)In C3 plants, carbon dioxide, combines with RuBP to form Phosphoglyceric acid, on the other hand in C4-plants, carbon dioxide is first picked up by phosphoenol pyruvate to form oxaloacetic acid
- c)Cytochrome plays very important role in ETS of photosynthesis as well as respiration
- d)Energy is released during photorespiration and ammonia is not released from photorespiration
Correct answer is option 'D'. Can you explain this answer?
Which one of the statement given below is not correct?
a)
As a result of light reaction, oxygen, NADPH and ATP are formed. Oxygen is released into the atmosphere, while NADP and ATP are utilised for reduction of carbon dioxide tb carbohydrate in dark reaction
b)
In C3 plants, carbon dioxide, combines with RuBP to form Phosphoglyceric acid, on the other hand in C4-plants, carbon dioxide is first picked up by phosphoenol pyruvate to form oxaloacetic acid
c)
Cytochrome plays very important role in ETS of photosynthesis as well as respiration
d)
Energy is released during photorespiration and ammonia is not released from photorespiration
Sainath Reddy asked • 4 hours agoMatch column-I with column-II and select the correct answer using the codes given below.
- a)A - (iv), B - (iii), C - (i), D - (v), E - (ii)
- b)A - (iv), B - (iii), C - (v), D - (i), E - (vi)
- c)A - (iv), B - (vi), C - (v), D - (iii), E - (i)
- d)A - (ii), B - (iii), C - (i), D - (v), E - (ii)
Correct answer is option 'A'. Can you explain this answer?
Match column-I with column-II and select the correct answer using the codes given below.
a)
A - (iv), B - (iii), C - (i), D - (v), E - (ii)
b)
A - (iv), B - (iii), C - (v), D - (i), E - (vi)
c)
A - (iv), B - (vi), C - (v), D - (iii), E - (i)
d)
A - (ii), B - (iii), C - (i), D - (v), E - (ii)
Sainath Reddy asked • 4 hours agoWhich of the following is correct?- a)In Asparagus, root is modified for food storage.
- b)Prop root is for mechanical support.
- c)Underground stems of potato, ginger, turmeric, Zaminkand and Colocasia are modified to store food in them.
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Which of the following is correct?
a)
In Asparagus, root is modified for food storage.
b)
Prop root is for mechanical support.
c)
Underground stems of potato, ginger, turmeric, Zaminkand and Colocasia are modified to store food in them.
d)
All of the above
Shila Devi asked • 4 hours ago Match column-I (Biological name) with column-II (Class) and choose the correct option.
- a)A - (iv) ,B - (ii),C - (i) ,D - ( iii)
- b)A - (ii), B - (iv), C - (iii), D - (i)
- c)A - (ii), B - (iv), C - (i), D - (iii)
- d)A - (ii), B - (i), C - (iv), D - (iii)
Correct answer is option 'C'. Can you explain this answer?
Match column-I (Biological name) with column-II (Class) and choose the correct option.
a)
A - (iv) ,B - (ii),C - (i) ,D - ( iii)
b)
A - (ii), B - (iv), C - (iii), D - (i)
c)
A - (ii), B - (iv), C - (i), D - (iii)
d)
A - (ii), B - (i), C - (iv), D - (iii)
Manohar Lal Sharma asked • 4 hours agoIdentify the correct sequence of gene in an operon.- a)Promoter, operator,regulator, structural
- b)Structural, regulator, operator, promoter
- c)Regulator, promoter, operator, structural
- d)Operator, structural, regulator, promoter
Correct answer is option 'C'. Can you explain this answer?
Identify the correct sequence of gene in an operon.
a)
Promoter, operator,regulator, structural
b)
Structural, regulator, operator, promoter
c)
Regulator, promoter, operator, structural
d)
Operator, structural, regulator, promoter
Maya Devi asked • 5 hours agoWhich one of the following animals is correctly matched with its particular named taxonomic category ?- a)Tiger - tigris, the species
- b)Cuttle fish - mollusca, a class
- c)Humans -primata, the family
- d)Housefly - musca, an order
Correct answer is option 'A'. Can you explain this answer?
Which one of the following animals is correctly matched with its particular named taxonomic category ?
a)
Tiger - tigris, the species
b)
Cuttle fish - mollusca, a class
c)
Humans -primata, the family
d)
Housefly - musca, an order
Anoop Singh asked • 5 hours agoWhich of the following statement is incorrectabout emasculation?- a)During emasculation process, stigma is removed.
- b)Emasculated flowers are bagged in order to prevent self-pollination.
- c)Emasculation is the removal of stamens before the maturation of selected bisexual flowers.
- d)It is one of the steps for artificial hybridisation.
Correct answer is option 'A'. Can you explain this answer?
Which of the following statement is incorrectabout emasculation?
a)
During emasculation process, stigma is removed.
b)
Emasculated flowers are bagged in order to prevent self-pollination.
c)
Emasculation is the removal of stamens before the maturation of selected bisexual flowers.
d)
It is one of the steps for artificial hybridisation.
Shakuntla asked • 5 hours agoMonoecious plant of Chara shows occurrence of- a)Stamen and carpel of the same plant
- b)Upper antheridium and lower oogonium on the same plant
- c)Upper oogonium and lower antheridium on the same plant
- d)Antheridiophore and archegoniophore on the same plant
Correct answer is option 'C'. Can you explain this answer?
Monoecious plant of Chara shows occurrence of
a)
Stamen and carpel of the same plant
b)
Upper antheridium and lower oogonium on the same plant
c)
Upper oogonium and lower antheridium on the same plant
d)
Antheridiophore and archegoniophore on the same plant
Modern Events asked • 6 hours agoWhich of the following is true?
(i) ‘Operon hypothesis’ was proposed by Jacob and Monod
(ii) ‘One gene-one enzyme theory’ was proposed by Beadle and Tatum
(iii) ‘Southern blotting’ is used in DNAfingerprinting
(iv) Uracil and Thymine bases remain present in DNA and RNA respectively- a)(i), (iii)
- b)(i), (ii), (iii), (iv)
- c)(ii), (iii), (iv)
- d)(i), (ii), (iii)
Correct answer is option 'D'. Can you explain this answer?
Which of the following is true?
(i) ‘Operon hypothesis’ was proposed by Jacob and Monod
(ii) ‘One gene-one enzyme theory’ was proposed by Beadle and Tatum
(iii) ‘Southern blotting’ is used in DNAfingerprinting
(iv) Uracil and Thymine bases remain present in DNA and RNA respectively
(i) ‘Operon hypothesis’ was proposed by Jacob and Monod
(ii) ‘One gene-one enzyme theory’ was proposed by Beadle and Tatum
(iii) ‘Southern blotting’ is used in DNAfingerprinting
(iv) Uracil and Thymine bases remain present in DNA and RNA respectively
a)
(i), (iii)
b)
(i), (ii), (iii), (iv)
c)
(ii), (iii), (iv)
d)
(i), (ii), (iii)
Deepanshu Kaushik asked • 6 hours agoWhich one of the following statements is incorrect ? [2006]- a)The presence of non-respiratory air sacs, increases the efficiency of respiration in birds
- b)In insects, circulating body fluids serve to distribute oxygen to tissues
- c)The principle of countercurrent flow facilitates efficient respiration in gills of fishes
- d)The residual area in lungs slightly decreases the efficiency of respiration in mammals
Correct answer is option 'B'. Can you explain this answer?
Which one of the following statements is incorrect ? [2006]
a)
The presence of non-respiratory air sacs, increases the efficiency of respiration in birds
b)
In insects, circulating body fluids serve to distribute oxygen to tissues
c)
The principle of countercurrent flow facilitates efficient respiration in gills of fishes
d)
The residual area in lungs slightly decreases the efficiency of respiration in mammals
Shubham Verma asked • 6 hours agoThe cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of- a)Atrioventricular bundle [2004]
- b)Purkinje system
- c)Sinuatrial node
- d)Atrioventricular node
Correct answer is option 'C'. Can you explain this answer?
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
a)
Atrioventricular bundle [2004]
b)
Purkinje system
c)
Sinuatrial node
d)
Atrioventricular node
Pradip Kundu asked • 6 hours agoGiven below is the ECG of a normal human. Which one of its components in human is correctly interpreted below
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a)Peak P and Peak R together-Systolic and diastolic blood pressuresb)Peak T - Initiation of total cardiac contractionc)Complex QRS-One complete Pulsed)Peak P- Initiation of left atrial contraction onlyCorrect answer is option 'C'. Can you explain this answer?
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Vaibhav Grover asked • 6 hours agoWhich one of the following statements is correct regarding blood pressure ? [2011]- a)130/90 mmHg is considered high and requires treatment
- b)100/55 mmHg is considered an ideal blood pressure
- c)105/50 mm Hg makes one very active
- d)190/110 mmHg may harm vital organs like brain and kidney
Correct answer is option 'D'. Can you explain this answer?
Which one of the following statements is correct regarding blood pressure ? [2011]
a)
130/90 mmHg is considered high and requires treatment
b)
100/55 mmHg is considered an ideal blood pressure
c)
105/50 mm Hg makes one very active
d)
190/110 mmHg may harm vital organs like brain and kidney
Mehak Verma asked • 7 hours agogive a detailed comparison between physics and chemistry of neet and iit
Neet Aspirant asked • 7 hours agoSystemic heart refers to [2003]- a)the two ventricles together in humans
- b)the heart that contracts under stimulation from nervous system
- c)left auricle and left ventricle in higher vertebrates
- d)entire heart in lower vertebrates
Correct answer is option 'C'. Can you explain this answer?
Systemic heart refers to [2003]
a)
the two ventricles together in humans
b)
the heart that contracts under stimulation from nervous system
c)
left auricle and left ventricle in higher vertebrates
d)
entire heart in lower vertebrates
Samim Begum asked • 7 hours agoIf due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non - functional, what will be the immediate effect? [2010]- a)The flow of blood into the aorta will be slowed down
- b)The ‘pacemaker’ will stop working
- c)The blood will tend to flow back into the left atrium
- d)The flow of blood into the pulmonary artery will be reduced
Correct answer is option 'D'. Can you explain this answer?
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non - functional, what will be the immediate effect? [2010]
a)
The flow of blood into the aorta will be slowed down
b)
The ‘pacemaker’ will stop working
c)
The blood will tend to flow back into the left atrium
d)
The flow of blood into the pulmonary artery will be reduced
Neet Aspirant asked • 7 hours agoSickle cell anaemia is induced by [2001]- a)change of amino acid in a-chain of haemoglobin
- b)change of amino acid in b-chain of haemoglobin
- c)change of amino acid in both a- and b-chain of haemoglobin
- d)change of amino acid in either a- or b-chain of haemoglobin
Correct answer is option 'B'. Can you explain this answer?
Sickle cell anaemia is induced by [2001]
a)
change of amino acid in a-chain of haemoglobin
b)
change of amino acid in b-chain of haemoglobin
c)
change of amino acid in both a- and b-chain of haemoglobin
d)
change of amino acid in either a- or b-chain of haemoglobin
Vaibhav Grover asked • 7 hours agoWith respect to the ABO group, there are four major blood types because this blood group is determined by [1998]- a)three alleles, all of which are recessive
- b)three alleles, of which, two are recessive and the third is dominant
- c)three alleles, of which two are codominant and the third is recessive
- d)three alleles , all of which are codominant
Correct answer is option 'C'. Can you explain this answer?
With respect to the ABO group, there are four major blood types because this blood group is determined by [1998]
a)
three alleles, all of which are recessive
b)
three alleles, of which, two are recessive and the third is dominant
c)
three alleles, of which two are codominant and the third is recessive
d)
three alleles , all of which are codominant
Jatin Mittal asked • 8 hours agoWhich one of the following statements about blood constituents and transport of respiratory gases is most accurate ? [1996]- a)RBCs transport oxygen whereas WBCs transport CO2
- b)RBCs transport oxygen whereas plasma transports only CO2
- c)RBCs as well as WBCs transport both oxygen and CO2
- d)RBCs as well as plasma transport both oxygen and CO2
Correct answer is option 'D'. Can you explain this answer?
Which one of the following statements about blood constituents and transport of respiratory gases is most accurate ? [1996]
a)
RBCs transport oxygen whereas WBCs transport CO2
b)
RBCs transport oxygen whereas plasma transports only CO2
c)
RBCs as well as WBCs transport both oxygen and CO2
d)
RBCs as well as plasma transport both oxygen and CO2
Ayushi Yadav asked • 9 hours agoSarla is on protein-deficient diet. As a result her plasma proteins content is reduced. She may develop symptom like :- a)reduced oxygen supply to tissues
- b)swellings of hands and feet
- c)high blood pressure
- d)diabetes
Correct answer is option 'B'. Can you explain this answer?
Sarla is on protein-deficient diet. As a result her plasma proteins content is reduced. She may develop symptom like :
a)
reduced oxygen supply to tissues
b)
swellings of hands and feet
c)
high blood pressure
d)
diabetes
DUSHYANT NAGPAL asked • 9 hours agoIn the human heart :
i. The valve between right atrium and right ventricle is tricuspid while valve between left atrium and left ventricle is mitral valve.
ii. Openings of the right and the left ventricles into the pulmonary artery and the aorta are guarded by semilunar valves.
iii. ‘Lub’ the first sound which is low pitched is caused by the closure of semilunar valves while ‘Dub’ the second sound which is high pitched is caused by the closure of bicuspid and tricuspid valves.- a)only ii) and iii) are correct
- b)only i) and ii) are correct
- c)only iii) is correct
- d)only ii) is correct
Correct answer is option 'B'. Can you explain this answer?
In the human heart :
i. The valve between right atrium and right ventricle is tricuspid while valve between left atrium and left ventricle is mitral valve.
ii. Openings of the right and the left ventricles into the pulmonary artery and the aorta are guarded by semilunar valves.
iii. ‘Lub’ the first sound which is low pitched is caused by the closure of semilunar valves while ‘Dub’ the second sound which is high pitched is caused by the closure of bicuspid and tricuspid valves.
i. The valve between right atrium and right ventricle is tricuspid while valve between left atrium and left ventricle is mitral valve.
ii. Openings of the right and the left ventricles into the pulmonary artery and the aorta are guarded by semilunar valves.
iii. ‘Lub’ the first sound which is low pitched is caused by the closure of semilunar valves while ‘Dub’ the second sound which is high pitched is caused by the closure of bicuspid and tricuspid valves.
a)
only ii) and iii) are correct
b)
only i) and ii) are correct
c)
only iii) is correct
d)
only ii) is correct
PRIYANKA PRAKASH PAL asked • 9 hours agoIn our blood :
i. Granulocytes which constitutes maximum percentage of total leucocytes are neutrophils.
ii. Elevated number of neutrophils in blood indicates an acute infection such as appendicitis.- a)both are wrong
- b)Statement i) is correct and ii) is wrong
- c)both are correct
- d)Statement i) is wrong and ii) is correct
Correct answer is option 'C'. Can you explain this answer?
In our blood :
i. Granulocytes which constitutes maximum percentage of total leucocytes are neutrophils.
ii. Elevated number of neutrophils in blood indicates an acute infection such as appendicitis.
i. Granulocytes which constitutes maximum percentage of total leucocytes are neutrophils.
ii. Elevated number of neutrophils in blood indicates an acute infection such as appendicitis.
a)
both are wrong
b)
Statement i) is correct and ii) is wrong
c)
both are correct
d)
Statement i) is wrong and ii) is correct
DEEPIKA K asked • 9 hours agoAs Soham, ages with chronic CAD the lumen of his coronary artery may get nearly completely obstructed Result is flow of blood to heart tissue is restricted such that the tissue receives inadequate supply of oxygen rich blood and this condition is diagnosed as :
- a)Heart failure
- b)Hypertension
- c)Myocardial ischemia
- d)Myocardial infarction
Correct answer is option 'C'. Can you explain this answer?
As Soham, ages with chronic CAD the lumen of his coronary artery may get nearly completely obstructed Result is flow of blood to heart tissue is restricted such that the tissue receives inadequate supply of oxygen rich blood and this condition is diagnosed as :
a)
Heart failure
b)
Hypertension
c)
Myocardial ischemia
d)
Myocardial infarction
SHALEEN MEHTA asked • 9 hours agoWhen a person suffers from chest pain :
i. the reason for this suffering is decreased blood flow and simultaneously lowered oxygen supply to an area of the heart.
ii. deprived of oxygen, myocardium opts for alternative pathways i.e. anaerobic respiration and its byproduct ethanol causes the pain.- a)both are correct
- b)Statement i) is wrong and ii) is correct.
- c)both are wrong
- d)Statement i) is correct and ii) is wrong.
Correct answer is option 'D'. Can you explain this answer?
When a person suffers from chest pain :
i. the reason for this suffering is decreased blood flow and simultaneously lowered oxygen supply to an area of the heart.
ii. deprived of oxygen, myocardium opts for alternative pathways i.e. anaerobic respiration and its byproduct ethanol causes the pain.
i. the reason for this suffering is decreased blood flow and simultaneously lowered oxygen supply to an area of the heart.
ii. deprived of oxygen, myocardium opts for alternative pathways i.e. anaerobic respiration and its byproduct ethanol causes the pain.
a)
both are correct
b)
Statement i) is wrong and ii) is correct.
c)
both are wrong
d)
Statement i) is correct and ii) is wrong.
Sridhar H Tu H H H asked • 9 hours agoSystolic pressure is higher than diastolic pressure due to :-- a)Volume of blood in the heart is greater during systole
- b)Arteries contract during systole
- c)Blood vessels offer resistance to flowing blood during systole
- d)Blood is forced into arteries during systole.
Correct answer is option 'D'. Can you explain this answer?
Systolic pressure is higher than diastolic pressure due to :-
a)
Volume of blood in the heart is greater during systole
b)
Arteries contract during systole
c)
Blood vessels offer resistance to flowing blood during systole
d)
Blood is forced into arteries during systole.
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