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19651.

Question : Choose the correct option with regard to mycorrhiza.

Answer»

ABSORPTION of water
Mineral absorption
Translocation
1 and 2

Answer :D
19652.

Question : Choose the correct option wrt. Amoebic dysentry

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It is caused by a MULTICELLULAR protozoan, parasite,Entamoeba
Entamoeba is present in SMALL intestine of human
Housefly ACTS as mechanical carriers
Reserve FOOD MATERIAL of E.histolytica is starch and glycogen

Answer :C
19653.

Question : Choose the correct option with reference to photosynthetic protista :-

Answer»


ANSWER :B
19654.

Question : Choose the correct option wit the functions of cytoskeleton. a. Mechanical support b. Cell division c. Cell motility d. Maintenance of the shape of the cell e. Storage of starch

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

Answer :D
19655.

Question : Choose the correct option w. r. t the statement given below.'rise in temperature is leading to deleterious change in the environment and resulting in odd climates changes'

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OZONE hole
global warming
soil erosion
biomagnification

Answer :B
19656.

Question : Choose the correct option regarding Retrovirus.

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An RNA virus that can SYNTHESISE DNA during infection
A DNA virus that can synthesise RNA during infection
A SSDNA virus
A dsRNA virus

Answer :A
19657.

Question : Choose the correct option regarding retrovirus

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An RNA virus that can SYNTHESISE DNA during infection
A DNA virus that can synthesise RNA during infection
A SSDNA virus
A dsRNA virus

Solution :A retrovirus is an ss RNA virus that STORED its nucleic acid in the form of a mRNA genome and targets a host CELL as an obligate parasite. One inside the host cell cytoplasm the virus uses its own reverse transcriptase enzyme to produce DNA from its RNA genome (the reverse of usual pattern, thus retro).
19658.

Question :Choose the correct option regarding Retrovirus.(A) A RNA virus that can synthesize DNA during infection(B) A DNA virus that cansynthesize RNA during infection(C) A ssDNA virus(D) A dsRNA virus

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An RNA virus that can SYNTHESISE DNA during INFECTION
A DNA virus that can synthesise RNA during infection
A ssDNA virus
A dsRNAvirus

SOLUTION :RETROVIRUS is an RNA virus that can synthesise DNA during infection.
19659.

Question : Choose the correct option for label .a. to .e. from the table given below

Answer»


ANSWER :C
19660.

Question : Choose the correct option from parts labelled (a) -

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`(b)` - Graafian follicle,`(f)` - CORPUS luteum
`(c)` - Graafian follicle , `(a)` - OVUM
`(b)` - Primary follicle,`(c)` - TERTIARY follicle SHOWING antrum
`(e)` - Corpus callosum,`(d)` - Antrum cavity

Answer :C
19661.

Question : Choose the correct option for label .a. to .e. from the table given below

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ANSWER :B
19662.

Question : Choose the correct option for label (A), (B), (c ) and (D) respectively in given diagram.

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Node of Ranvier, TRIGGER zone, myelin sheath NISSL's granule
Schwan CELL, Trigger zone, synaptic KNOB Nissl's granules
Nissl's granule, synaptic knob, cell BODY Schwann cel
Schwann cell, Synaptic knob, Trigger zone, Nissl's granules

Answer :B
19663.

Question : Choose the correct option among the following

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A-II,B-I,C-II,D-IV
A-IV,B-I,C-II,D-IV
A-I,B-II,C-III,D-IV
S-I,B-IV,C-II,D-III

Answer :B
19664.

Question : Choose the correct option.A. (__i) is used to initiate flowering and for synchronising fruit set in pineapples B. (__ii) is also known as stress hormone. C. (__iii) is used to induce early seed production in conifers and for increasing sugar yield in sugarcane

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(i) Ethylene, (III) Auxin
(ii) Ethylene, (iii) CYTOKININ
(ii) ABA, (iii) GA
(ii) GA, (iii) ABA

Answer :C
19665.

Question :Choose the correct option : 1) Six codons do not code for any amino acid 2) Codon is read in m - RNA in a continuous fashion 3) Three codons function as stop codons 4) The initiator codon AUG codes for methionine

Answer»

1, 2 and 4 are wrong
1, 2 and 3 are wrong
2, 3 and 4 are wrong
2 ALONE is wrong

Answer :C
19666.

Question : Choose the correct math w.r.t. nenstrual cycle.

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FOLLICULAR phase - Low concentration of estrogen
Secretory phase - Low concentration of progesterone
Luteal phase - SHEDDING of ENDOMETRIAL lining
Proliferative phase _ INCREASE in thickness of endometrium lining

Answer :D
19667.

Question : Choose the correct match from the following. i. Co-evolution -Endoparasite and host ii. Mutualism - Relation of plants and BGA iii. Sexual deceit - shown by Opuntia plant iv. Connell's elegant field experiment - Competition

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i, II
ii , iii
iii , IV
i, ii , iv

Answer :D
19668.

Question : Choose the correct match Bladderwort sundew, vensufly trap

Answer»

NEPENTHES, Dionea, DROSERA
Nepenthes, UTRICULARIA, Vanda
Utricularia, Drosera, Dionea
Dionea, TRAPA, Vanda

Answer :C
19669.

Question :Choose the correct match.

Answer»

CORALS - eurythermal
Man - eurythermal
SHARK - homeothermic
Birds - POIKILOTHERMIC

ANSWER :B
19670.

Question : Choose the correct match.

Answer»

AGROBACTERIUM tumefaciens-Crown GALL in DICOT plants
Thermus aquaticus-Bt gene
Hind II-Plasmid vector
Ligase-Molecular scissors

Answer :C
19671.

Question : Choose the correct match :-

Answer»

Prothallus – LEAF LIKE non-photosynthetic appendages
Sporophyll – SPORANGIA bearing leaf
Selaginella – Megaphyllous
Adiantum – Sphenopsida

Answer :B
19672.

Question : Choose the correct labelling for given figure

Answer»

D- Saturation POINT , E - Maximum PHOTOSYNTHESIS
A - Achieved at high light intensity
D - 10% of total SUNLIGHT , E - Compensation point
A Light saturation at 10% of total sunlight

ANSWER :A
19673.

Question :Choose the correct equation

Answer»

`N_(0)=N_(1)e^(rt)`
`(DN)/(dt)=KN`
`(dN)/(dt)=rN((K-N)/(K))`
Populatioin DENSITY =(B+E)-(D+1)

Answer :C
19674.

Question : Floral formula of family fabaceae is

Answer»

`Oplus male or FEMALE K_((5))C_(1+2+(2))A_((9)+1)underlineG_1`
`% male or female K_((5))C_(1+2+(2))A_((9)+1)underlineG_1`
`Oplus male or female K_((5))C_(1+2+2)A_((9)+1)underlineG_1`
`% male or female K_((5))C_(1+2+(2))A_(9+1)overlineG_1`

ANSWER :A
19675.

Question : Choose the correct combination of labelling the number of carbon compounds in the substrate molecules involved in citric acid cycle.

Answer»

a-4C, b-6C, c-5C, d-4C, e-4C
a-6C, b-5C, c-4C, d-5C, e-6C
a-4C, b-5C, c-6C, d-4C, e-4C
a-4C, b-6C, c-4C, d-5C, e-4C

Solution :N//A
19676.

Question : Choose the correct combination of labelling in Potato osmoscope

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a - FINAL leval, b - dot PIN, C - initial LEVEL, d - Suger solution, e - Potato tuber .
a - initial leval, b - dot pin, c - final level, d - WATER, e - potato tuber
a - final leval, b - dot pin, c - initial level, d - water, e - potato tuber
a - final leval, b - dot pin, c - initial level, d - water , e - container.

Answer :A
19677.

Question : Choose the correct combination of labelling

Answer»

A-Pore, B-Secondary cotex, C-Cork CAMBIUM, D-Cork, E-Complimentary CELLS
A-Pore, B-Cork cambium, C-Secondary CORTEX, D-Cork, E-Complimentary cells.
A-Pore, B-Cork, C-Complimentary cells, D-Cork cambium, E-Secondary cortex.
A-Pore, B-Complimentary cells, C-Cork, D-Cork cambium, E-Secondary cortex.

Answer :D
19678.

Question : Choose the correct combination of labelling 1-5

Answer»

1. MESOPHYLL CELL. 2 Bundle SHEATH cell. 3. REGENERATION. 4 Fixation. 5. Decarboxylation
1. Bundle sheath cell 2. Mesophyll cell. 3. Fixation 4. Regeneration 5. Decarboxylation
1. Mesophyll cell 2. Bundle sheath cell 3. Decarboxylation 4. Fixation 5. Regeneration
1. Mesophyll cell 2. Bundle sheath cell 3. Fixation 4. Regeneration 5. Decarboxylation

Answer :D
19679.

Question : Choose the correct combination.

Answer»


ANSWER :B
19680.

Question : Choose the correct comb ination for labelling of part of seminiferous tubule.

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a-sertoli CELL,b-spermatogonium C-spermatid d-interstitial CEL, c SPERMATOZOA.

ANSWER :C
19681.

Question : Choose the correct arrangement of plant communities

Answer»

MARSH meadow stage, free FLOATING stage, scrub stage and forest stage
free floating stage, marsh meadow stage, scrub stage and forest stage
marsh meadow stage, free floating stage, scrub stage and forest stage
marsh meadow stage, woodland stage, scrub stage and forest stage

ANSWER :B
19682.

Question : Choose the correct answer. When a population reaches carrying capacity

Answer»

MORTALITY RATE = BIRTH rate
Mortality rate `GT` birth rate
Mortality rate `lt ` birth rate
None of these

Solution : Mortality rate `lt`birth rate
19683.

Question : Choose the correctanswer . Substancesthat causebiomagnificationare

Answer»

MERCURY and DDT
Mercuryand PHOSPHORUS
DDT and phosphorus
Phosphorus andnitrogen

Answer :A
19684.

Question : Choose the correct answer. The layer of microsporangium that nourishes the developing pollen grains is:EndotheciumTapetumMiddle layerEpidermis

Answer»

Endothecium
Tapetum
Middle layer
Epidermis

Answer :B
19685.

Question : Choose the correct answer (##MOT_CON_NEET_BIO_C05_E04_049_Q01.png" width="80%">

Answer»

A -lipid membraneB -CHANNEL PROTEINC -Pump protein
A -Pump PROTEINB -Channel proteinC -lipid membrane
A- Pump proteinB -lipid MEMBRANEC -Channel protein
A -Channel proteinB -lipid membraneC -Pump protein

Answer :D
19686.

Question : Which is the most short lived structure. Choose the correct answer from the four options a)mRNAb)tRNAc)rRNAd)snRNA

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m RNA
t RNA
r RNA
sn RNA

Answer :A
19687.

Question : Choose the correct answer from the four options In Operon model,Regulatory genea)Stops the formation of r RNAb)Stops transcriptionc)Prevents the movement of RNAd)Inactivates substrate

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STOPS the formation of r RNA
Stops transcription
Prevents the movement of RNA
INACTIVATES substrate

Answer :B
19688.

Question : Choose the correct answer from the four options. Supply of O_2 to the biogas plant will havea)Possitive effectb)Negative effectc)No effectd)High effect

Answer»

Possitive EFFECT
NEGATIVE effect
No effect
HIGH effect

SOLUTION :Negative effect
19689.

Question : Choose the correct answer from the following opitions.The presence of salts (NaCl) in the animal body fluids given an inference that life originated in-

Answer»

SOLUTION :PRIMITIVE OCEAN
19690.

Question : Choose the correct answer from the bracket. Cyclosporin A is produced by_________.

Answer»

Aspergellus,
Clostridium
Trichoderma
Acetobacter

Answer :C
19691.

Question : Choose the correct answer from the bracket. The implanted stage during embryonic development??

Answer»

Gastrula
Morula
Zygot
Blastocyst

Answer :D
19692.

Question : Choosethe correctanswerfrom thebracket : A groupof indiviualsbelongingto a speciesresidingin an areaconstitutea……….. (population //community )

Answer»

SOLUTION :POPULATION
19693.

Question : Choose the correct answer. A treated water has .............., a)Maximum BODb)Moderate BODc)Low BODd)Least BOD

Answer»

MAXIMUM BOD
Moderate BOD
LOW BOD
LEAST BOD

SOLUTION :Least BOD
19694.

Question : Choose the correct :

Answer»

Nociceptors respond to changes in pressure
Meissner's CORPUSCLES are thermoreceptors
Photreceptors N human eye are deopola rised during DARKNESS and become hyperplarised in response to the light stimulus
Receptors do not produce graded POTENTIALS

Answer :C
19695.

Question : Choose the correct answer

Answer»

Terminator genes helps in terminating SEED germination
Axenic culture is PURE culture without any CONTAMINATION
Androgenic HAPLOIDY MAKES use of anther cells
All of the above

Solution : All of the above
19696.

Question : Choose the best statement that explains Mendel's law of segregation.

Answer»

Dominant and RECESSIVE traits are transmitted independently from one generation to the next so that independently from one generation to the next so that NEITHER trait has any influence on the INHERITANCE of the other
Inheritance of one gene is not influenced by the inheritance of another and genes assort independently in successive generarions
One ALLELE of a gene is dominant over the other
One gene MASKS the effect of the other and is not transmitted independently from one generation to another

Answer :A
19697.

Question : Choose the acute infection of lungs due

Answer»

It is an acute infection of lungs caused due to technical growth in alveoli
It is a chronic DISORDER of lungs caused by excessive cigarette
The walls of alveoli become more elastic
The condition of the damaged alveoli is REVERTED back to normal by the CESSION of smoking

Answer :B
19698.

Question : choose odd one w.r.t the role of mycobiont in lichen?

Answer»

FORMS BODY STRUCTURE and covering
Helps in anchorage
Fixes nitrogen
absorbs WATER and minerals

Answer :C
19699.

Question : Choose odd one w.r.t the presence of nucleus.

Answer»

MATURE SIEVE TUBE CELL
Companion cell
MESOPHYLL cell
Parenchymatous cell

Answer :A
19700.

Question : Choose odd one w.r.t. spore produced in the life cycle of Penicilium

Answer»

Meiospore as ascospore
Exogenously PRODUCED conidia
Endogenous SEXUAL spore
Black COLOURED telutospores

Answer :D