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Dentine is originated from which cell
General Science Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 23 of Quiz-1376 (Que-ID : 2636)
Dentine is originated from which cell
- Amiloblast cell
- Odontioblast cell
- Chief cell
- Peptic cell
Ans → (B)
Explanation →
This question is taken from this post → Practice MCQs for NEET : Digestion and Absorption Class 11th - attemp/practice
More MCQs in - Practice MCQs for NEET : Digestion and Absorption Class 11th
Q. 1 of Quiz-1376 (Que-ID : 2614)
Each tooth is embedded in a socket of jaw bone known as
- Thecodont
- Diphyodont
- Heterodont
- None of the above
Q. 2 of Quiz-1376 (Que-ID : 2615)
A cartilagenous flap which prevents entry of food
- Glottis
- Pyloric spincter
- Epiglottis
- Cardiac spincter
Q. 3 of Quiz-1376 (Que-ID : 2616)
Where is paratoid salivary gland is situated
- Lower jaw
- Below tongue
- Upper jaw
- Cheek
Q. 4 of Quiz-1376 (Que-ID : 2617)
The bile duct and pancreatic duct open together into which region of intestine
- Jejunum
- Ileum
- Duodenum
- Cardiac
Q. 5 of Quiz-1376 (Que-ID : 2618)
Which kind of gland is pancreas
- Exocrine
- Endocrine
- Compound gland
- None of the above
Q. 6 of Quiz-1376 (Que-ID : 2619)
Which cell is responsible for secretion of HCL and intrinsic factors
- Parietal cell
- Chief cell
- Mucus cell
- Peptic cell
Q. 7 of Quiz-1376 (Que-ID : 2620)
Which enzyme is responsible for digestion of milk protein in infants
- Renin
- Rennin
- Proteoses
- None of the above
Q. 8 of Quiz-1376 (Que-ID : 2621)
Which enzyme converts polysaccharides into disaccharides
- Amylases
- Lipases
- Salivary amylase
- None of the above
Q. 9 of Quiz-1376 (Que-ID : 2622)
Which enzyme is not present in pancreatic juice
- Lipases
- Amylase
- Nucleases
- Nucleosides
Q. 11 of Quiz-1376 (Que-ID : 2624)
Absorption of water in large intestine is done by
- Chief cells
- Haustra cells
- Parietal cell
- Peptic cell
Q. 12 of Quiz-1376 (Que-ID : 2625)
Glucose and amino acids are transported by which transport
- Facilitated diffusion
- Diffusion
- Active transport
- Passive transport
Q. 13 of Quiz-1376 (Que-ID : 2626)
Fructose are transported by which mechanism
- Passive transport
- Active transport
- Diffusion
- Facilitated diffusion
Q. 14 of Quiz-1376 (Que-ID : 2627)
Which is not present in bile juice
- Bile pigments
- Enzymes
- Bile salts
- Cholesterol
Q. 15 of Quiz-1376 (Que-ID : 2628)
Maltase converts maltose into
- glucose+ glucose
- Glucose + fructose
- Glucose + galactose
- Fatty acids+ glycerol
Q. 17 of Quiz-1376 (Que-ID : 2630)
The small finger like foldings in small intestine is called
- Rugae
- Villi
- Botha a and b
- None of the above
Q. 18 of Quiz-1376 (Que-ID : 2631)
Crypts in between bases of villi in intestine are known as
- Crypts of lieberkuhn
- Crypts of intestine
- Crypts of stomach
- None of the above
Q. 19 of Quiz-1376 (Que-ID : 2632)
What are the structural and functional units of liver
- Hepatic cells
- Hepatic lobules
- Hepatic glands
- None of the above
Q. 20 of Quiz-1376 (Que-ID : 2633)
Duct of paratoid gland are known as
- Rhenius
- Stensons
- Warton
- None of the above
Q. 22 of Quiz-1376 (Que-ID : 2635)
Enamel is originated from which cell
- Amiloblast cell
- Odontioblast cell
- Chief cell
- Peptic cell
Q. 23 of Quiz-1376 (Que-ID : 2636)
Dentine is originated from which cell
- Amiloblast cell
- Odontioblast cell
- Chief cell
- Peptic cell
Q. 24 of Quiz-1376 (Que-ID : 2637)
In which condition the food is not digested properly leading to feeling of fullness
- Indigestion
- Constipation
- Diarrhoea
- None of the above
Q. 25 of Quiz-1376 (Que-ID : 2638)
In which condition the faeces are retained in the rectum as the bowel movement occur irregularly
- Indigestion
- Constipation
- Diarrhoea
- None of the above
More MCQs In - General Science Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 2 of Quiz- (Que-ID : 3270)
Which of the followings plant material is an efficient water imbibant?
- Agar
- Cellulose
- Lignin
- Pectin
Q. 19 of Quiz- (Que-ID : 3087)
Light reactions of photosynthesis occurs in
- stroma
- thylakoid
- grana
- cytoplasm of cell
Q. 24 of Quiz- (Que-ID : 2637)
In which condition the food is not digested properly leading to feeling of fullness
- Indigestion
- Constipation
- Diarrhoea
- None of the above
Q. 3 of Quiz- (Que-ID : 2616)
Where is paratoid salivary gland is situated
- Lower jaw
- Below tongue
- Upper jaw
- Cheek
Q. 44 of Quiz- (Que-ID : 615)
Which organ in the human body helps to maintain balance ?
- Heart
- Liver
- Ear
- Brain
Q. 24 of Quiz- (Que-ID : 3467)
Animals have innate ability to escape from predation. Select the incorrect example:
- Colour change in Chameleon
- Enlargement of body by swallowing air in puffer fish
- Poison fangas of snakes
- Melaninin in moths
Q. 22 of Quiz- (Que-ID : 3065)
Most of the energy of the carbohydrates is released by oxidation when
- Pyruvic acid is converted into CO2 and H2O
- Pyruvic acid is converted into acetyl Co-A
- Sugar is converted into pyruvic acid
- Glucose is converted into alcohol and CO2
Q. 17 of Quiz- (Que-ID : 2910)
spot the odd one out from the following structures with reference to the male reproductive system
- Rate testis
- Epididymis
- Vasa efferentia
- Isthmus
Q. 25 of Quiz- (Que-ID : 3343)
Which of the following diseases is transmitted by the bite of the female mosquito vector ?
- Filariasis
- Amoebiasis
- Typhoid
- Pneumonia
Q. 5 of Quiz- (Que-ID : 2948)
Which of the following steps in transcription is catalysed by RNA polymerase ?
- Initiation
- Elongation
- Termination
- All of the above
Q. 4 of Quiz- (Que-ID : 2922)
In a monohybrid cross between two heterozygous individuals, percentage of pure homozygous individuals obtained in F1 generation will be
- 25%
- 50%
- 75%
- 100%
Q. 8 of Quiz- (Que-ID : 2676)
Which among the following WBC secrete histamine, serotonin,heparin
- Eosinophil
- Neutrophil
- Basophil
- None of the above
Q. 5 of Quiz- (Que-ID : 2773)
which of the following shows max diversity
- Plants
- Animalia
- monerans
- protistans
Q. 19 of Quiz- (Que-ID : 2632)
What are the structural and functional units of liver
- Hepatic cells
- Hepatic lobules
- Hepatic glands
- None of the above
Q. 15 of Quiz- (Que-ID : 3458)
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
- Suspend
- Migrate
- Hibernation
- Aestivation
Q. 8 of Quiz- (Que-ID : 2701)
Which among the following is auto immune disorder
- Tetany
- Arthritis
- Myasthenia gravis
- Gout
Q. 24 of Quiz- (Que-ID : 3042)
The major site for production of gibberellin is
- Embryos
- Roots
- Young leaves
- All of these
Q. 18 of Quiz- (Que-ID : 3061)
Respiratory enzymes are located in
- mitochondrial matrix
- Cristae
- perimitochondrial space
- outer membrane
Q. 20 of Quiz- (Que-ID : 3413)
Two microbes found tb be very useful in Genetic Engineering are
- Excherichia coli and Agrobacterium tumefaciens
- Vibrio cholarae and a tailed bacteriophage
- Diplococcus sp. and Pseudomonas sp.
- Crown gall bacterium and Caenorhabdities elegans
Q. 22 of Quiz- (Que-ID : 3115)
Biological nitrogen fixation was discovered by
- Gericke
- Nehar and Sakmann
- Liebig
- Winograndsky
Q. 25 of Quiz- (Que-ID : 2968)
Which out of the following statements is incorrect ?
- Genetic code is ambiguous.
- Genetic code is deqenerate
- Genetic code is universal
- Genetic code is non-overlanning.
Q. 5 of Quiz- (Que-ID : 2873)
Which of the following STDs are not completely curable ?
- Chlamydiasis, gonorrhoea, trichomoniasis
- Chancroid syphilis, genital warts
- AIDS, syphilis, hepatitis B
- AIDS, genital herpes, hepatitis B
Q. 12 of Quiz- (Que-ID : 2655)
which among the following is measured by spirometer
- Total lung capacity
- FRC
- RV
- TV
Q. 6 of Quiz- (Que-ID : 2649)
Inspiration occurs if the pressure within the lungs is
- More than atm pressure
- Less tha atm pressure
- Equal to atm pressure
- None of the above
Q. 8 of Quiz- (Que-ID : 3426)
In a Transgenic crop gene is for the following:
- New protein synthesis
- Resistance from Antibiotics
- In the formation enzyme for Antibiotics
- All of these
Q. 20 of Quiz- (Que-ID : 3063)
One molecule of glucose yields ___ ATP molecules in aerobic respiration.
- 2
- 16
- 38
- 42
Q. 13 of Quiz- (Que-ID : 3106)
Which of the following is not a macronutrient
- iron
- calcium
- manganese
- phosphorus
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 4 of Quiz- (Que-ID : 3022)
Typical plant growth shows _________ curve.
- J-shaped
- S-shaped
- I-shaped
- Parabolic
Q. 10 of Quiz- (Que-ID : 3303)
“Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from
- Darwin
- Bateson
- AmartyaSen
- Malthus.
Q. 4 of Quiz- (Que-ID : 2747)
In the body both blood sodium and potassium is regulated by
- Pheromones
- Aldosterone
- Cortisols
- Androgens
Q. 24 of Quiz- (Que-ID : 3092)
Fixation of one CO2 molecule through Calvin cycle requires:
- 1 ATP and 2NADPH2
- 2ATP and 2NADPH2
- 3ATP and 2NADPH2
- 2ATP and 1NADPH2
Q. 18 of Quiz- (Que-ID : 2911)
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
- spermatids
- spermatogonia
- primary spermatocytes
- secondary spermatocytes
Q. 5 of Quiz- (Que-ID : 2798)
The generation of excitation-contraction coupling involves all the following events except
- Generation of end-plate potential
- Release of calcium from troponin
- Formation of cross-linkages between actin and myosin
- Hydrolysis of ATP to ADP
Q. 2 of Quiz- (Que-ID : 3320)
Which one of the following disease is non – communicable ?
- Diphtheria
- Flu
- Cancer
- Malaria
Q. 13 of Quiz- (Que-ID : 2626)
Fructose are transported by which mechanism
- Passive transport
- Active transport
- Diffusion
- Facilitated diffusion
Q. 5 of Quiz- (Que-ID : 3148)
Which of the following statements regarding enzyme inhibition is correct?
- Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
- Non-competitive inhibitors often bind to the enzyme irreversibly
- Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
- Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate
Q. 19 of Quiz- (Que-ID : 3337)
Vaccine against polio viruses is an example of
- auto-immunisation
- passive immunisation
- active immunisation
- simple immunisation
Q. 11 of Quiz- (Que-ID : 3129)
Which of the following is true about diffusion?
- There is no expenditure of energy
- Molecules move in Brownian motion
- Substances moves from the region of higher concentration to the region of lower concentration
- Diffusion depends on the type of living system
Q. 23 of Quiz- (Que-ID : 3366)
Which of the following is incorrectly matched ?
- Black rot of crucifers Bacteria
- Brown rust of wheat Fungi
- Late blight of potato Virus
- Red rot of sugarcane Fungi
Q. 22 of Quiz- (Que-ID : 3415)
Who discovered Restricted endonucleas enzymes?
- Smith and Nathane
- Baiger
- Waxman
- Fleming
Q. 22 of Quiz- (Que-ID : 3040)
Growth regulator which induces parthenocarpy
- IAA
- ABA
- Cytokinin
- Ethylene
Q. 16 of Quiz- (Que-ID : 3159)
The fastest enzyme known is
- DNA polymerase
- carbonic anhydrase
- carbonic dehydrogenase
- DNA ligase
Q. 25 of Quiz- (Que-ID : 2843)
Which of the following animals show menstrual cycle?
- Gorillas and chimpanzees
- Monkeys and humans
- Orangutans and monkeys
- All of these
Q. 19 of Quiz- (Que-ID : 2762)
The phase of menstrual cycle that last for 7-8 days are
- Ovulatory
- Menstruation
- Luteal
- Follicular
Q. 18 of Quiz- (Que-ID : 3261)
Fluke infections are diseases of the _______ in humans
- Blood
- Bile
- Digestive tract
- Lung
Q. 11 of Quiz- (Que-ID : 3454)
Both the species benefit in
- Parasitism
- Mutualism
- Competition
- Predation
Q. 3 of Quiz- (Que-ID : 2846)
The stamens represent
- microsporangia
- male gametophyte
- male gametes
- microsporophylls.
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