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The most common monomer of carbohydrates is
Q. 25 of Quiz-1446 (Que-ID : 3951)
The most common monomer of carbohydrates is
- Sucrose
- Fructose
- Maltose
- Glucose
Ans → (d)Glucose
Explanation →
This question is taken from this post → Biomolecules class 11 biology test | MCQs for NEET - attemp/practice
More MCQs in - Biomolecules class 11 biology test | MCQs for NEET
Q. 1 of Quiz-1446 (Que-ID : 3927)
Feedback inhibition of enzymes is affected by which of the following
- enzyme
- substrate
- end products
- intermediate end products
Q. 2 of Quiz-1446 (Que-ID : 3928)
An example of competitive inhibition of an enzyme is the inhibition of
- succinic dehydrogenase by malonic acid
- cytochrome oxidase by cyanide
- hexokinase by glucose-6-phosphate
- carbonic anhydrase by carbon dioxide
Q. 3 of Quiz-1446 (Que-ID : 3929)
Insulin is made up of _______ and _______.
- glucose and fructose
- glucose and fructose
- fructose and mannose
- mannose and glucose
Q. 4 of Quiz-1446 (Que-ID : 3930)
Enzymes increase the rate of reaction by
- lowering activation energy
- increasing activation energy
- increasing temperature and pH
- decreasing temperature and pH
Q. 5 of Quiz-1446 (Que-ID : 3931)
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. 6 of Quiz-1446 (Que-ID : 3932)
Which of the following is not a pyrimidine?
- Uracil
- Cytosine
- Guanine
- Thymine
Q. 7 of Quiz-1446 (Que-ID : 3933)
Hydrolysis of starch occurs with the help of
- Peptidase
- Amylase
- Sucrose
- Lipase
Q. 8 of Quiz-1446 (Que-ID : 3934)
Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids
- Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
- Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
- Assertion is true, but Reason is false.
- Both Assertion and Reason are false
Q. 9 of Quiz-1446 (Que-ID : 3935)
Which of the following influence feedback inhibition of enzyme?
- End product
- External factors
- Enzyme
- Substrate
Q. 10 of Quiz-1446 (Que-ID : 3936)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 11 of Quiz-1446 (Que-ID : 3937)
Inulin is made up of _______ and _______
- glucose and fructose
- glucose and fructose
- fructose and mannose
- mannose and glucose
Q. 12 of Quiz-1446 (Que-ID : 3938)
A protein having both structural and enzymatic traits is
- Collagen
- Trypsin
- Myosin
- Actin
Q. 14 of Quiz-1446 (Que-ID : 3940)
With reference to enzymes, which one of the following statements is true?
- Apoenzyme = Holoenzyme + Coenzyme
- Coenzyme = Apoenzyme + Holoenzyme
- Holoenzyme = Apoenzyme + Coenzyme
- Holoenzyme = Coenzyme ? Apoenzyme
Q. 15 of Quiz-1446 (Que-ID : 3941)
Inhibitor binds to the active site of the enzyme. Hence blocking the reaction. This is an example of
- allosteric inhibition
- feedback inhibition
- uncompetitive inhibition
- competitive inhibition
Q. 16 of Quiz-1446 (Que-ID : 3942)
The fastest enzyme known is
- DNA polymerase
- carbonic anhydrase
- carbonic dehydrogenase
- DNA ligase
Q. 18 of Quiz-1446 (Que-ID : 3944)
The minimum amount of energy required to initiate a chemical reaction is called
- enzymatic energy
- activation energy
- substrate energy
- initiation energy
Q. 19 of Quiz-1446 (Que-ID : 3945)
Enzymes, vitamins and hormones are common in
- Enhancing oxidative metabolism
- Being synthesised in the body of organisms
- Being proteinaceous
- Regulating metabolism
Q. 20 of Quiz-1446 (Que-ID : 3946)
Nitrogenous bases present in DNA
- Adenine, guanine, cytosine, uracil
- Adenine, guanine, cytosine, thymine
- Adenine, thymine, uracil
- Guanine, uracil
Q. 21 of Quiz-1446 (Que-ID : 3947)
Metabolic intermediates found in living system which are essential for growth and life is called___________
- Saponins
- Tannins
- Secondary metabolite
- Primary metabolites
Q. 22 of Quiz-1446 (Que-ID : 3948)
Enormous diversity of protein molecules is due to
- R groups of amino acids
- Sequence of amino acids
- Peptide bonds
- Amino groups of amino acids
Q. 23 of Quiz-1446 (Que-ID : 3949)
Anti-parallel strands of a DNA molecule mean that
- One strand turns anticlockwise
- Phosphate groups at the start of two DNA strands (poles) are in opposite position
- Phosphate groups of two DNA strands at their ends share the same position
- One strand turns clockwise
Q. 24 of Quiz-1446 (Que-ID : 3950)
The introduction of t-DNA into plants involves
- Altering the pH of the soil, then heat shocking the plants
- Exposing the plants to cold for a brief period
- Allowing the plant roots to stand in water
- Infection of the plant by Agrobacterium tumefaciens
Q. 25 of Quiz-1446 (Que-ID : 3951)
The most common monomer of carbohydrates is
- Sucrose
- Fructose
- Maltose
- Glucose
More MCQs In - Zoology Class 11th
Q. 2 of Quiz- (Que-ID : 3245)
Sharks, skates, and rays are also called ______ fishes
- Jawless
- Bony
- Cartilaginous
- Freshwater
Q. 19 of Quiz- (Que-ID : 3487)
Ecological pyramids were first devised by
- Charles Eltom
- R. Hesse
- R.A. Lindemann
- Justus von Liebig
Q. 15 of Quiz- (Que-ID : 2708)
Which joint is present between humerus and pectoral girdle
- Hinge
- Ball and socket
- Pivot joint
- Condyloid
Q. 2 of Quiz- (Que-ID : 2745)
Secretin cause stimulation of
- Bile juice
- Water
- Gastric secretion
- Pepsinogen
Q. 23 of Quiz- (Que-ID : 2636)
Dentine is originated from which cell
- Amiloblast cell
- Odontioblast cell
- Chief cell
- Peptic cell
Q. 15 of Quiz- (Que-ID : 2758)
Diurnal rhythm of body is maintained by
- Melatonin
- Isthmus
- PTH
- Norepinephrine
Q. 21 of Quiz- (Que-ID : 3189)
Glands of Zeis are associated with eyelashes. These are modified
- Sweat glands
- Mucous glands
- Sebaceous glands
- Sudoriferous glands
Directions :
A mirage is the result of -
- The reflection of light from hot sand
- Fluctuation in the refractive index of the atmosphere with height
- Increase in the refractive index of the atmosphere with height
- decrease in the refractive index of the atmosphere with height
Q. 19 of Quiz- (Que-ID : 2837)
The growth phase of an organism before attaining sexual maturity is referred to as
- juvenile phase
- vegetative phase
- both (a) and (b)
- None of the above
Q. 12 of Quiz- (Que-ID : 2980)
Bowman capsule with glomerulus is known as
- Malphigian body
- Renal corpuscle
- Malphigian capsule
- Both b and c
Q. 25 of Quiz- (Que-ID : 3143)
ψp denotes to
- Water potential
- Negative potential
- Pressure potential
- Solute potential
Q. 12 of Quiz- (Que-ID : 2755)
PTH is called hypercalcemic hormone because it leads to
- Absorption of CaCo3 from digested food
- Reabsorption of water from renal tubules
- Increasing blood calcium levels
- Maintain ion balance in blood
Q. 24 of Quiz- (Que-ID : 2667)
Which type of curve is formed when percent of haemoglobin is plotted against po2
- Straight line
- Hyperbola
- Sigmoid
- Parabola
Q. 17 of Quiz- (Que-ID : 3485)
During food chain the maximum energy is stored in
- Producers
- Decomposers
- Herbivoures
- Camivourse
Q. 13 of Quiz- (Que-ID : 3456)
To avoid summer-related problems – heat and desiccation by organism is called
- Hibernation
- Suspend
- Migrate
- Aestivation
Q. 10 of Quiz- (Que-ID : 3936)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 1 of Quiz- (Que-ID : 2894)
Ovulation in the human female normally takes place during the menstrual cycle
- at the mind secretory phase
- just before the end of the secretory phase
- at the beginning of the proliferative phase
- at the end of the proliferative phase
Q. 6 of Quiz- (Que-ID : 3024)
Opening of floral buds into flowers, is a type of:
- Autonomic movement of variation
- Autonomic movement of locomotion
- Autonomic movement of growth
- Paratonic movement of growth
Q. 2 of Quiz- (Que-ID : 2645)
Which among the following have well developed respiratory system
- Cockroaches
- Earthworms
- Sponges
- Mammals
Q. 5 of Quiz- (Que-ID : 3223)
Which one of the following plants dose not have root – pockets
- Pistia
- Lemna
- Ficus
- Eichhornia
Q. 18 of Quiz- (Que-ID : 3261)
Fluke infections are diseases of the _______ in humans
- Blood
- Bile
- Digestive tract
- Lung
Q. 18 of Quiz- (Que-ID : 3436)
Bt toxin is :
- intracellular lipid
- Intracellular crystalline protein
- Extracellular crystalline protein
- Lipid
Q. 18 of Quiz- (Que-ID : 3036)
Mobilisation of stored food in germinating seeds is triggered by
- auxins
- cytokinins
- gibberellins
- ethylene
Q. 16 of Quiz- (Que-ID : 3234)
The arrangement of sepals or petals in floral bud is called
- Placentation
- Aestivation
- Bracteate
- Phyllotaxy
Q. 19 of Quiz- (Que-ID : 2787)
Identify the incorrect match.
- Physiology ? Study of functions and processes of life
- Pedology ? Soil science
- Limnology ? Study of fresh water
- Kinesiology ? Fossil study
Q. 20 of Quiz- (Que-ID : 3038)
IAA is naturally occurring plant hormone called
- Gibberlin
- Auxin
- Cytokinin
- Absicic acid
Q. 13 of Quiz- (Que-ID : 3256)
Phylum that doesnt have a true coelom is
- Platyhelminthes
- Annelida
- Echinoderms
- Arthropoda
Q. 14 of Quiz- (Que-ID : 2807)
Which of the following is not related to the autonomic nervous system?
- Peristalsis
- Digestion
- Excretion
- Memory and learning
Q. 11 of Quiz- (Que-ID : 3254)
Which of the following is a pseudocoelomate?
- Platyhelminthes
- Aschelminthes
- Mollusca
- Hemi-chordates
Q. 7 of Quiz- (Que-ID : 3375)
Biofertilisers are the living organisms which
- bring about soil nutrient enrichment
- maximise the ecological benefits
- minimise the environmental hazards
- all of these
Q. 6 of Quiz- (Que-ID : 3324)
Which of the following pathogens causes whooping coough ?
- Legionella spp.
- Burcella melitensis
- Vibrio cholerae
- Burcella melitensis
Q. 22 of Quiz- (Que-ID : 3240)
Spinous xerophytic herb belonging to solanceae is
- Solanum tuberosum
- S. nigrum
- S. xanthocarpum
- S. melongena
Q. 20 of Quiz- (Que-ID : 3946)
Nitrogenous bases present in DNA
- Adenine, guanine, cytosine, uracil
- Adenine, guanine, cytosine, thymine
- Adenine, thymine, uracil
- Guanine, uracil
Q. 7 of Quiz- (Que-ID : 3200)
Callose deposition is found in
- tracheids
- companion cells
- sieve areas
- phloem parenchyma
Q. 25 of Quiz- (Que-ID : 3468)
Ozone protects biosphere from high energetic:
- Infra-red rays
- Ultraviolet rays
- X-rays
- gamma rays
Q. 15 of Quiz- (Que-ID : 3433)
The sheep ‘Dolly’ was cloned by using somatic cells from donor’s:
- Udder
- Skin
- Tongue
- Earlobe
Q. 20 of Quiz- (Que-ID : 2838)
Select the monocarpic plant out of the following.
- Bamboo
- Litchi
- Mango
- all of these.
Q. 7 of Quiz- (Que-ID : 3125)
Two types of molecules cross the membrane in the same direction, it is called as
- Uniport
- Symport
- Antiport
- Multiport
Q. 19 of Quiz- (Que-ID : 2887)
Which of the following correctly describes the measures hat can be used to control over-population ?
- Educating people about the advantages of a small family
- Raising the age of marriage
- Encouraging family planning programme
- All of these
Q. 15 of Quiz- (Que-ID : 2733)
Whittakers definition of classification does not include
- Algae
- Protista
- Plantae
- mychota
Q. 7 of Quiz- (Que-ID : 2825)
In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
- 40
- 30
- 20
- 10
Q. 16 of Quiz- (Que-ID : 3259)
Which one of the following is NOT a characteristic of phylum Annelida?
- Ventral nerve cord
- Closed circulatory system
- Segmentation
- Pseudocoelom
Q. 20 of Quiz- (Que-ID : 2633)
Duct of paratoid gland are known as
- Rhenius
- Stensons
- Warton
- None of the above
Q. 19 of Quiz- (Que-ID : 2762)
The phase of menstrual cycle that last for 7-8 days are
- Ovulatory
- Menstruation
- Luteal
- Follicular
Q. 12 of Quiz- (Que-ID : 3480)
That animal who can bear one third loss of water of one third body weight is
- Necturus
- Camel
- Wall Lizzard
- Kyton
Q. 22 of Quiz- (Que-ID : 2765)
Largest completely endocrine gland is
- Adrenal
- Thyroid
- Pituitary
- Parathyroid
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