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9451.

Question : Read the following statements w.r.t.Pericycle and choose the suitable option ( a ) It is the outermost portion of stele, that may be parenchymatous or sclerenchymatous. ( b ) It is absent in monocot stems. ( c ) It is always single layered.

Answer»

Only ( a ) is correct
Only ( B ) Is Incorrect
Only ( C ) is incorrect
Both ( a ) & ( b ) are incorrect

Answer :D
9452.

Question : Read the following statements w.r.t. parthenocarpic fruits.(a) Ovary grows into a fruit without fertilization.(b) They are always formed from polycarpellary and apocarpous ovary.(c) They are seedless.(d) Are always true fruits.(e) Banana and grapes are parthenocarpic fruits.Select the incorrect option.

Answer»

All EXCEPT (B) & (d)
(b) , (C) & (d)
(d) only
(b) & (d)

ANSWER :D
9453.

Question : Read the following statements w.r.t. gymnosperms (a)Leaves in gymnosperms have thick cuticle and sunken stomata,(b)Zamia is the tallest gymnosperm,c)Ginkgo biloba have fan shaped leaves,d)Microsporophylls are compactlyy arranged on central axis to form a microsporangiate,(e) Two kinds of sporoes are produced within sporangia that are bome on male strobili

Answer»

a),C),d),E)
a), c), d)
a), B), c) only
c), d),e) only

Answer :B
9454.

Question : Read the following statements w.r.t. outbreeding devices. Discourage self pollination. Prevent loss in genetic variation. Different placement of anther and stigma which prevents autogamy is referred as dichogamy. Failure of pollen grains germinatioin in bisexual or monoecious plants is a genetically controlled mechanism. select the correct option.

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a, B & c
a, b, c & d
b, c & d
a, b & d

Answer :D
9455.

Question : read the following statements w.r.t. growth in living organisms. (a).In plants growth by cell division occurs continuously throughout their lifespan. (b) growth is a defining property of living organism. (c) cell division occurs in certain tissues to replace lost cells. (d) increase in body mass is considered as growth. (e) in majority of higher animals and plants and in unicellular organisms, growth and reproduction are mutually exclusive events. select the correct option.

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(a), (B) (C) & (d)
(a) (c) (d) & (E)
(a), (c) & (d)
(b) & (c) only

ANSWER :C
9456.

Question : Read the following statements w.r.t. fungi and select the incorrect option. (a) Aseptate and multinucleate fungal hyphae are reffered as coenocytic. (b) In oomycetes members, cellulosic cell wall is present. (c) Fungal cellulose is made up of acetylglucosamine. (d) Septum in members of class basidiomycetes have no pore. (e) Fungal cells have unicisternal golgi bodies.

Answer»

(B), (C) & (E)
(a), (c), (d) &(e)
(d) only
(b), (d) & (e)

ANSWER :C
9457.

Question : Read the following statements w.r.t. communal slime moulds. (a) Regarded as advanced protists and primitive fungi.(b) Have phagotrophic mode of nutrition and polycentric plasmodium. (c) Sexual reproduction is anisogamous. (d) Biflagellate swarm cells of non-motile myxamoebae act as gametes. (e) Fused protoplasts ofmyxamoebae secretes thick wall around to form macrocyst. Select the correct option.

Answer»

(B) & (E) only
(a), (b), (C) , (d) & (e)
(a), (c) & (e)
(b), (c), (d) & (e)

ANSWER :C
9458.

Question : Read the following statements w.r.t. functions of the roots. (a) Absorption of water and minerals. (b) Conduct organic substances to plant parts. (c) Provides anchorage to plant parts. (d) Stores reserve food material. (e) Synthesize plant growth hormones.

Answer»

(a), (b) & (C)
All EXCEPT (c) and (d)
All except (b) and (e)
All except (b)

ANSWER :D
9459.

Question : Read the following statements w.r.t. bryophytes.(a) They are homosporous. (b) They are first embryophytes. (c) Zygote does not undergo equational division. (d) Water acts as transfer medium for antherozoids to reach the archegonia.(e) In mosses, spores germinate to form filamentous gametophyte.Select the correct option.

Answer»

(a), (B), (C) & €
All EXCEPT (c)
(b), (c),(d) & (E)
(a), (b) & (d) only

Answer :B
9460.

Question : Read the following statements wrt artificial system of dessification (a) Involves usage of one or few morphological characters for grouping of organisms. (b) Aristotle used sexual characters as they are affected by environment. (c) Linnaeus gave sexual system of classification (d) Gave equal weightage to vegetative and sexual characteristics , Select the correct option

Answer»

(B), (C) & (d)
(a), (b) & (c)
(a), (c) & (d)
(a), (b), (c) & (d)

ANSWER :C
9461.

Question : Read the following statements: Statements-1: Viviparous organisms give birth to their young ones. Statement-2: In viviparous organisms embryo gets nourishment from yolk. Choose the correct option.

Answer»

Both STATEMENTS 1 & 2 are correct
Both statements 1 & 2 are incorrect
Statement 1 is incorrect and 2 is correct
Statement 1 is correct and 2 is incorrect

Answer :D
9462.

Question : Read the following statements w.r.t. biological treatment of sewage. Br a. Involves removal of sewage through sequential filteration. Br b. BOD of waste water is directly proportional to its a polluting potential. Br c. Constant agitation of primary effluent is carried out in large aeration tanks. Identify the incorrect statement(s)

Answer»

B&c
a & c
Only a

Answer :B
9463.

Question : Read the following statements w.r.t. archaebacteria : [(a)methanogens converts CO_2 and formic acid into methane, (b) halophiles develop a pigmented membrane to herness sun's energy, (c) All methanogens are heterotrophs. , (d) Thermoacidophiles oxidies sulphur to sulphuric acid under aerobic conditions., (e) methanogens and halophiles are present in guts of ruminant animals.]

Answer»

(a),(B),(d) and (E)
(a), (b), (C),(d) and (e)
(b), (c), (d) and (e)
(a),(b) and (d)

ANSWER :D
9464.

Question : Read the following statements, Statement A: Somatic neural system (SNS) and Autonomic nervous system (ANS) are parts of PNS. Statement B: SNS controls the actions of skeletal. Choose the correct option.muscles while ANS controls the activity of involuntary organs smooth muscles and glands of body

Answer»

Both STATEMENTS are correct
Only STATEMENT A is correct
Only statement B is correct
Both statements are incorrect

Answer :A
9465.

Question : Read the following statements: Statement A: ultra filtration of blood occurs in renal corpuscles.Statement B:during ultrafiltration, almost all the constituents of blood plasma except the proteins pass into the lumen of Bowman's capsule.

Answer»

STATEMENT A is INCORRECT and B is CORRECT
statement A is correct and B is incorrect
Both statement A and B is incorrect
Both statement A and B is correct

Answer :D
9466.

Question : Read the following statements.Statement A: Post-ganglionic nerve fibres of sympathetic nervous system are adrenergic. Statement B: Acetylcholine decreases the heart rate but adrenaline increases it.Choose the correct option

Answer»

Both STATEMENTS are correct
Only STATEMENT A is incorrect
Only statement B is incorrect
Both statements are incorrect

Answer :A
9467.

Question : read the following statements: statement A: no non living objects exhibit metabolism. statement B: isolated metabolic reactions outside the body of an organism, perform in a test tube is is neither living nor non-living.

Answer»

only STATEMENT (A) is CORRECT
only statement (B) is correct.
both STATEMENTS are INCORRECT.
both statements are correct.

Answer :D
9468.

Question : read the following statements: statement A: modern taxonomic studies are based on external and internal structure of organisms along with cell structure, development process an ecological information of organisms.statement B: neo-systematics is best upon morphological characters only.

Answer»

only STATEMENT A is INCORRECT
only statement B is incorrect
both STATEMENTS are incorrect
both statements are correct

Answer :B
9469.

Question : Read the following statements STATEMENT A: Middle ear, which is filled with endolymph contains three ossicles which increases the amplitude of sound. Statement B :Eustachian tube helps in equalising the pressure on either side of ear drum

Answer»

Both STATEMENTS are correct
only STATEMENT A is correct
only statement B is correct
both statements are correct

Answer :D
9470.

Question : read the following statements: statement A: keys are based on a pair of constrasting characters known as lead. statement B: keys are analytical in nature

Answer»

both STATEMENTS (A) and (B) are correct
both statements (A) and (B) are INCORRECT
only STATEMENT A is correct
only statement B is correct

Answer :D
9471.

Question : Read the following statements. Statement (A) : Malpighian tubules help in removal of nitrogenous waste from body fluid. Statement (B) : Nitrogenous waste is removed out through separate excretory pore. Choose the correct option

Answer»

Both STATEMENTS (A) and (B) are CORRECT
Statement (A) is INCORRECT and (B) is correct
Statement (A) is correct and (B) is incorrect
Both statements (A) and (B) are incorrect

Answer :C
9472.

Question : Read the following statements. Statement A : In cockroach, vision is mosaic and apposition image is formed. Statement B : Mosaic vision has less sensitivity and more resolution. Choose the correct option.

Answer»

Both statements are CORRECT
Statement (A) is correct and (B) is incorrect
Statement (A) is incorrect and (B) is correct
Both statements are incorrect

Answer :B
9473.

Question : Read the following statements.Statement -A:Giagantism and acromicria are both caused due to over secretion of growth hormone.Statement-B:Gigantism occurs due to overactivity of pituitary before puberty while acromocria occurs due to pituitary hyposecretion after pubrty. Choose the correct option.

Answer»

Both STATEMENTS are incorrect
Only STATEMENT A is incorrect
Only statement B is incorrect
Both statements are correct.

Answer :B
9474.

Question : read the following statements. statement A: herbarium serves as quick source of reference in taxonomic studies. statement B: herbarium is associated with conservation of plants.

Answer»

only STATEMENT (A) is CORRECT
only statement (B) is correct
both STATEMENTS are INCORRECT
both statements are correct

Answer :A
9475.

Question : Read the following statements. Statement A:Action potential generation in neurons follow all or none principle. Statemont B: Higher than threshold stimuluscauses larger amount of voltage change in neuron'sinterior Choose the correct option

Answer»

Both statements A and B are CORRECT
Statement A is correct and B is incorrect
Statement A is incorrect and B is correct
Both statements A and B are incorrect

Answer :B
9476.

Question : Read the following statements. statement - 1 : vagina acts as birth canal along with cervix Statement - 2 : It is line by non-keratinised stratified cuboidal epithelium Choose the correct option.

Answer»

Both STATEMENTS are CORRECT
statements 1 is correct and 2 is incorrect
statements 1 is incorrect and 2 is correct
Bothstatements are incorrect

Answer :B
9477.

Question : Read the following statements: Statement 1: Zoospores are microscopic motile spores formed inside sporangia. Statement 2: Conidia are non flagellated motile spores formed over conidiophore.

Answer»

Both STATEMENTS 1 & 2 are correct
Only statement 1 is correct
Only statement 2 is correct
Both statements 1 & 2 are incorrect

Answer :B
9478.

Question : Read the following statements regardingribosomes:- (i) 0.001 M concentration of calcium ion is required for the binding of subunits (ii) Also known as organelle within organelle. (iii)5 S r-RNA is common to both 70 S and 80 S ribosomes. (iv)All the components of ribosome are synthesised in nucleolus. Which of the above statements are incorrect?

Answer»

(i) & (IV)
(i) & (II)
(ii) & (III)
(ii) & (iv)

ANSWER :A
9479.

Question : Read the following statements regarding the control of kidney by ANF, and identify the incorrect statements in the given options I. ANF inhibits release of renin II. It inhibits reabrorption of Na ^(+) by DCT and CT III. Reabsorption of water by DCT and CT is inhibited IV. ANF increase urinary excretion V. It increase blood volume VI. ANF increase blood pressure VII. It causes vasconstriction

Answer»

I, II and III
II,V and VII
V, VI and VII
I, IV and VII

ANSWER :C
9480.

Question : Read the following statements: Statement-1: Shoe flower is a polycarpic perennial plant which bears flowers throughout the year. Statement-2: Interflowering period is recovery phase in monocarpic plants. Select the correct option.

Answer»

Both STATEMENTS 1 & 2 are correct
Both statements 1 & 2 are incorrect
Only STATEMENT 2 is correct
Only statement 1 is correct

Answer :D
9481.

Question : Read the following statements regarding Gymnosperms:- (A) The main plant body is sporophyte and heterosporous in nature. (B) Roots of some gymnosperms have algal association. (C) The mutilcellular female gametophyte bears two ore more archegonia. (D) The male and female cones may be borne on the same tree or on different trees.

Answer»

Statement A, C and D are correct and STATEMENTS B is incorrect.
Statement A, B and D are correct and statements C is incorrect.
Statement A andD are correct and statements B and C areincorrect.
All statement correct are

ANSWER :D
9482.

Question :Read the following statements regarding Rib cage and its components, a-Formed by ribs, sternum and thoracic vertebrae, b- Ribs articulate with sternum on dorsal side and thoracic vertebrae on ventral side. c- Vertebral ribs articulate with thoracic vertebrae only. d- First 8 pairs of ribs directly articulate with sternum. Choose the option which includes only incorrect statements

Answer»

(a) & (B)
(a) only
(b) & (d)
(b), (C) & (d)

ANSWER :C
9483.

Question : Read the following statements regarding bryophytes and do as ask next to them (A) All cells of sporophyte undergo reduction division to produce haploid spores. (B) They play an important role in plant succession on barren rocks. (C) Plant body is thallus like and prostate or errect and attached to the substratum by unicellular or multicellular rhizoids. (D) They prevent soil erosion. (E) Sex organs are multicellular. Male and female sex organs are called archegonium and antheridium respectively. How many of the above statements is/are not correct ?

Answer»

2
3
1
4

Answer :A
9484.

Question : Read the following statements regarding living organisms . How many of the following statements are incorrect ? (i) As we go higher from species to kingdom, the number of common characteristics goes on increasing . (ii) Lower the taxa m more are the characteristics that the members within the taxon share. (iii) Lower the category , greater is the difficulty of determining the relationship to other taxa at the same level. (iv) All organisms , including those in plants and animal kingdom , have sub - species as the lowest obligate category

Answer»

One
Two
Three
Four

Answer :C
9485.

Question : Read the following statements regarding ELISA and select the incorrect one

Answer»

It is USED for the early diagnosis of diseases
It is based on the PRINCIPLE of antigen-antibody interaction
Infection by PATHOGEN can be detected the presence of antigenes LIKE PROTEINS and glycoproteins
none of these

Answer :D
9486.

Question : Read the following statements I)Congenital hypothyrodism results in cretinism II)Myxoedema is characterised by accumula-tion of interstitial fluid below the skin III)Eyes protrude in the patient suffering from Grave's disease The correct statements are

Answer»

I and II only
II and III only
I,II and III
I and III only

Answer :A
9487.

Question : Read the following statements. (i) One codon codes for only one amino acid. (ii) Some amino acids arecoded by more than one codon. (iii) The sequence of triplet nitrogenous bases in DNA of mRNAcoresponds to the amino acid sequence in the polypeptide chain. Give , suitabel terms for the characteristics of 'genetic code' as per the above statements.

Answer»

`{:("DEGENERACY","Colinearity","Unambiguous"),("(i)","(III)","(II)"):}`
`{:("Degeneracy","Colinearity","Unambiguous"),("(iii)","(ii)","(i)"):}`
`{:("Degeneracy","Colinearity","Unambiguous"),("(ii)","(iii)","(i)"):}`
`{:("Degeneracy","Colinearity","Unambiguous"),("(i)","(ii)","(iii)"):}`

Answer :c
9488.

Question : Read the following statements (I -iii) (i)The outer and inner membrane of mitochondria has its own specific enzyme . (ii) Mitochondria is the site of aerobic respiration. (iii) The stroma contains different enzymes for Tricabxoylic acid cycle How many of the given Statements are correct ?

Answer»

ONE
Two
Three
None

Answer :B
9489.

Question : Read the following statements. (I) Ketonuria and glycosuria are characteristic symptoms of diabetes insipidus. (II) Gynaecomastia is caused due to alteration in estrogen to androgen ratio. (III) Except renin all other component of RAAS are produced by kidneys. (IV) Generation of secondary messengers leads to the amplification of response generated for a hormone molecule. Choose the option which includes correct statements only.

Answer»

I & II
II & ILL
II only
II & IV

Answer :D
9490.

Question : Read the following statements : How many of the above statements are correct ?

Answer»

TWO
ONE
FOUR
Three

Answer :D
9491.

Question : Read the following statements I) All hormone receptors are proteins II)All hormones are protein hormones III)The hormone fucntion is generally close to the site its release The incorrect statements are

Answer»

All EXCEPT I
All except II
All except III
I ,II and III

Answer :A
9492.

Question : Read the following statements carefully in relation to hormones and choose the incorrect statement

Answer»

Hypothalamic hormones are POURED in venous blood
Hypersecretion of parathormone causes osteoporosis
Tumour of zona glomerulosa RESULTS in Conn`s disease
like ENZYMES,hormonal REACTIONS are both intracellular as well as extracellular

Answer :D
9493.

Question : Read the following statements carefully and select the incorrect ones. (i) Development of the fertile top-soil takes centuries, but it can be easily removed due to human activites such as over-cultivation, unrestricted grazing, etc. (ii) Waterlogging results in soil salinity. (iii) UV rays are responsible for degradation of ozone shield in atmosphere. (iv) Ozone present in troposphere acts as a shield abosrbing UV radiations coming from the Sun. (v) Global warming can be controlled by increasing the use of fossil fuels.

Answer»

(i), (iii) and (v)
(iii), (iv) and (v)
(iv) and (v)
(i), (II) and (iii)

SOLUTION :Ozone present in the stratosphere act as a shield absorbing UV radiations coming from the SUN. GLOBAL warming can be controlled by cutting down the use of fossil fuels.
9494.

Question : Read the following statements carefully and find out the set of correct statements a. Suspension culture requires constant stirringat the rate of 100-250 rpm. b. Development of diseases in a plant dependson the interactionsbetween host genotype and environment, but not on pathogen genotype c. Black rot of crucifers and red rot of sugarcane are diseasescaused by fungi. d. It is expectedthat 125 g of Methylophilus methylotrophus produces 12.5 tonnes of proteinper day.

Answer»

B,c
a,d
b,d
c,d

Answer :B
9495.

Question : Read the following statements carefully and select the correct ones. () Alfred wallace, a naturalist who worked in Malay Archipelago had also come to similar conclusions as Darwin around the same time. (ii) August Weismann by carefull experimentation demonstrated that life comes only from pre-existing life. (iii) The organs which have the same fundamental structure but are different in functions are called homologous organs. (iv) Rate of appearance of new form is inversely proportional to life spain of organism.

Answer»

i and iii
i and ii
ii and iv
iii and iv

Solution :Louis pasteur by careful experimentation demonstrated that life comes only from pre-existing life. Rate of appearance of new forms is directly proportional to life SPAN of organism. MICROBES that divide fast evolve fast. For same process to occur in fish or FOWL will take miltion of years.
9496.

Question : Read the following statements carefully and find the incorrect statements: A. More than 1 percent impurities make domestic sewage unfit for human use. B. Less BOD causes mortality of fish and other aquatic creatures. C. Presence of large amounts of nutrients in water also causes excessive growth of planktonic algae, called an algal bloom. D. Algai bloom causes deterioration of the water quality an decreases fish mortality. E. Some bloom-forming algae are extremely toxic to human beings and animals. F. Eichhornia crassipies is the world's most problematic aquatic weed.

Answer»

A, C , E and F
C , E and F
A, B and D
All are CORRECT

Answer :C
9497.

Question : Read the following statements, br (a)Unipolar neurons are found in retina of eye and olfactory epithelium, br (b) Except microglial cells, all cells of nervous tissue develop from ectoderm, br (c) Astrocytes and neurolemmocytes perform functions like phagocytosis and providing nutrition to the neurons respectively, br (d) Unmyelinated neurons are commonly found in autonomous neural system, br Choose the option which includes correct statements only,

Answer»

(B) & (d)
(a), (b) & (d)
(b),(C) & (d)
(a) & (c)

ANSWER :A
9498.

Question : Read the following statements, br Action potential propagates across the neuronal membrane br Repolarisation decreases the responsiveness of neuronal membrane to further stimulus br At resting stage, neuronal membrane isnegatively charged on the inside and positivelycharged on the outside. br For every 2 Na^+ ions which are transported inside the cell, Na^+ - K^+ pump transports 3K^+ ions to outside,Choose the option which includes correct statements only,

Answer»

a&B
a & c
b&d
a & d

Answer :B
9499.

Question : Read the following statements carefully and choose the option including correct statements only (a)IV, VI, XI and XII cranial nerves are motor in nature. (b)Lumbar plexus innervates chest and arms. (c) Lateral movements of eye are controlled by 3rd cranial nerve. (d)Cauda equina is a bunch of only cranial nerves which exit at the level of last sacral vertebra.

Answer»

(B) & (d)
(a) & (b)
(a) & (C)
(b) & (C)

ANSWER :C
9500.

Question : Read the following statements carefully. (1) Female external genitalia include labia majora , labia minora , clitoris , vagina, and hymen . (2) In female, at puberty , both ovaries contain about 60,000-80,000 primary follicles . (3) The progesterone hormone concentration remains high prior to ovulation in the follicular phase of the follicular phase of the menstrual cycle . (4) Thesecond meiotic division of secondary oocyte is completed inside ovary only after the entry of sperm. How many from the above are incorrect statements ?

Answer»

FOUR
THREE
TWO
One

Answer :A