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19551.

Question :Choose the true statements. 1) Innate immunity is accomplished by providing different types of barriers. II) Acquired immunity is present from the birth and is inherited from parents. III) Sweat, tears, acid in the stomach and saliva prevent 'microbial growth.

Answer»

I, III
II, III
I, II
All

Answer :A
Discussion
19552.

Question : Choose the true statement as seen in a patient suffering from SCID.

Answer»

Gene coding for ADA ENZYME is doubled.
T lymphocytes are functional .
Gentically engineered lymphocytes will give PERMANENT CURE.
Introduction of gene in EARLY embryonic stages for permanent cure.

Answer :A::B::C::D
Discussion
19553.

Question : Choose the term that does not belong in the following group and explain why it does not belong? Notochord, cephalisation, dorsal nerve cord and radial symmetry.

Answer»

SOLUTION : NOTOCHORD, cephalisation, DORSAL nerve cord and radial symmetry.
Notochord, cephalisation and dorsal nerve cord are the characteristic features of CHORDATES. The radial symmetry is not a characteristic feature of chordate. It is the feature of cnidarian and adult echinoderms. HENCE it does not belong to the group.
Discussion
19554.

Question : Choose the terms which are not related to frog

Answer»

poikilotherm 
camouflage 
ENDOTHERM 
CARNIVORE 

ANSWER :C
Discussion
19555.

Question : Choose the structure located in pre clitellar region with respect to reproduction

Answer»

a. MALE gonopore 
B. Female gonopore 
c. Spermthecal APERTURES 
d. All 

Answer :C
Discussion
19556.

Question : Choose the right one among the statements given below.

Answer»

IUDs are generally inserted by the USER herself
IUDs INCREASE phagocytosis REACTION in the uterus
IUDs suppress GAMETOGENESIS
IUDs once inserted NEED not be replaced

Answer :B
Discussion
19557.

Question : Choose the option not applicable to ELISA,

Answer»

It is a bio CHEMICAL produce to detect ANTIGENS in a sample.
The intensity of colour obtained in the test is proportional to amount of antigen.
It can detect DNA
ELISA is a test for detecting human chorionic GONADOTROPIN hormone.

Answer :A::C::D
Discussion
19558.

Question : Choose the odd pair out in the following

Answer»

AREOLAR connective tissue -collagen
epithelium -KERATIN
neuron - melanin
muscle fibre - actin

ANSWER :C
Discussion
19559.

Question :choosethe oddone out .

Answer»

KERATIN phosphate
yaluronicacid
chodriotion SULPHATE
ALGINIC ACID

ANSWER :D
Discussion
19560.

Question : Choose the mismatch from the following.

Answer»

ACROPETAL ARRANGEMENT of SESSILE flowers - members of Graminae
Spadix with 3 KINDS of flowers-Colocasia
Inflorescence with unisexual and bisexual flowers- Tridax
Flowers with different length pedicels - ALLIUM cepa

Answer :D
Discussion
19561.

Question : Choose the mismatch

Answer»

Libriform fiber - Simple pits in lignified walls
COMPANION cell-sister cell of ALBUMINOUS cell
Sieve tube element -Unspecialized sieve AREAS on lateral walls
none of these

Answer :C
Discussion
19562.

Question : Choose the minor crop from the following

Answer»

Cyprinus carpio
Anguilla sp
Labeo bata
Ctenopharyngadon idella

Answer :C
Discussion
19563.

Question : Choose the incorrect statement regarding leaves.

Answer»

Petiole of NEPENTHES is MODIFIED into both tendril and phyllode.
Petiole of Australian acacia is modified into phyllode and the LEAF is palmately compound leaf.
In Bryophyllum epiphyllous buds arise from the NOTCHES of leaves.
In ALSTONIA phyllotaxy is whorled

Answer :B
Discussion
19564.

Question : Choose the incorrect statement

Answer»

All successions takes place in WATER orland proceeds to a similar CLIMAX community i.e mesic
When COMPARED to primary succession, secondary succession occurs very fastly to reach climax
Mesic condition is either too DRY or too wet
In primary succession on rocks the pioneer species are the lichens

Answer :C
Discussion
19565.

Question : Choose the incorrect sentence from the following:

Answer»

BILE juice emulsifies the FAT.
Chyme is a DIGESTIVE acidic food in stomach.
PANCREATIC juice converts lipid into fatty acid and glycerol.
Enterokinase stimulates the SECRETION of pancreatic juice.

Solution :N/A
Discussion
19566.

Question : Choose the incorrect pair

Answer»

PHYSICAL barrier - MACROPHAGES of URINOGENITAL tract
Physiological barrier- HCL in stomach
Cellular barrier - NK cells
Specific immunity - B-lymphocytes

Answer :A
Discussion
19567.

Question : Choose the incorrect one

Answer»

Ground tissue may CONSISTS of simple tissues that LIES in between epidermis and vascular bundles.
In leaves the ground tissue consists of thin walled chloroplast containing CELLS called mesophyll.
The vascular system consists of complex tissue the phloem and xylem
Secondary growth/secondary tissues are formed in monocots due to the presence of cambium

Answer :D
Discussion
19568.

Question : Choose the incorrect match related to transport of substances across the membrane

Answer»

Neutral solutes- Through bilipid layer
WATER molecules - Simple DIFFUSION
Active transport- Through transmembrane proteins using ENERGY
PASSIVE transport- Through carrier proteins along the concentration gradient

Answer :B
Discussion
19569.

Question : Choose the features present in only male frog

Answer»

copulatory pad on `1^(ST)` DIGIT fore limb 
VOCAL sacs 
copulatory organs 
1 and 2 

Answer :D
Discussion
19570.

Question : Choose the false statements regarding petromyzon .

Answer»

The body is DEVOID of scales
Mouth is CIRCULAR and lacks JAWS
It migrates to the ocean for spawning
The circulatory system is CLOSED

Answer :C
Discussion
19571.

Question : Choose the correctly matched pair

Answer»

Tendon - specilized connective tissue 
Adipose tissue - DENSE connective tissue 
Aerolar tissue - LOOSE connective tissue 
Cartilage - Loose connective tissue 

ANSWER :C
Discussion
19572.

Question : Choose the correctly unmatched pair.

Answer»

EGG layers - Brahma
Broiler TYPES - Leghorn
Dual purpose - White Plymouth rock
ORNAMENTAL breeds - SILKIE

Solution :Ornamental breeds - Silkie
Discussion
19573.

Question : Choose the correctly matched option.

Answer»

Cypsela-Single SEEDED DRY fruit
Lomentum-Single seeded SCHIZOCARPIC fruit
Nut-Stony endocarpic dry fruit
Caryopsis-single seeded FLESHY fruit

Answer :B
Discussion
19574.

Question : Choose the correctly matched pair:

Answer»

AREOLAR TISSUE-Loose CONNECTIVE tissue
Cartilage-Loose connective tissue
Tendon-Specialized connective tissue
ADIPOSE tissue-Dense connective tissue

Answer :A
Discussion
19575.

Question : Choose the correctly match paired.

Answer»

TELOCENTRIC chromosome-Middle CENTROMERE
Metacentric Chromosome-Centromere SLIGHTLY AWAY from the middle
Acrocentric Chromosome-Centromere CLOSED to its end

Answer :C
Discussion
19576.

Question : Choose the correctly match pair.

Answer»

AMPHETAMINES - Stimulant
LSD - Narcotic
Heroin - Psychotropic
Benzodiazepine - PAIN killer

Solution :Amphetamines - Stimulant
Discussion
19577.

Question : Choose the correct statements from amongst the following

Answer»

DIOECIOUS ORGANISMS are SEEN only in animals
Dioecious organisms are seen only in PLANTS
Dioecious organisms are seen in both plants and animals
Dioecious organisms are seen only in vertebrates

Answer :C
Discussion
19578.

Question : Choose the correct statement regarding the ZIFT procedure :

Answer»

Ova COLLECTED from a female DONOR are transferred to the fallopian tube to FACILITATE ZYGOTE formation
Zygote is collected from a female donor and transferred to the fallopian tube
Zygote is collected from a female donor and transferred to the UTERUS
Ova collected from a female donor and tranferred to the uterus

Answer :B
Discussion
19579.

Question : Choose the correct statement regarding pericycle in dicot root.

Answer»

It is parenchymatous.
It GIVES RISE to cork CAMBIUM.
Casparing BANDS and passage cells
Passage cells and starch

Answer :D
Discussion
19580.

Question : Choose the correct statement regarding 'coelom of Periplaneta americana A) The perivisceral cavity is not a true coelom B) It is not lined by peritoneum C) It is called as haemocoel D) Schicocoelom is restricted to gonads

Answer»

All are CORRECT 
A,B,C 
B,C,D 
Only A and D 

ANSWER :A
Discussion
19581.

Question : Choose the correct statement among the following:

Answer»

INTESTINAL mucosal epithelium has oxyntic cells
Ptyalin converts PROTEINS into proteoses and peptones.
Crypts of Lieberkuhn are seen between the bases of villi in intestine.
Sphincter of Oddi is PRESENT at the junction of OESOPHAGUS and cardiac stomach.

Answer :C
Discussion
19582.

Question : Choose the correct statement about the following diagram

Answer»

X in the DIAGRAM represents branched peduncle
Flowers are ARRANGED in centrifugal manner
Y in the diagram represents pedicel of the flower
It is a SIMPLE UMBEL inflorescence

Answer :C
Discussion
19583.

Question : Choose the correct statement. All tissues in the inner side endodermis together constitute

Answer»

conjugative tissue
stele
Pericycle
Vascular bundle

Answer :B
Discussion
19584.

Question : Choose the correct statement.

Answer»

All reptiles have a THREE chambered heart.
All pisces have gills COVERED by a operculum
All mammals are viviparous
All CYCLOSTOMES do not POSSES jaws and paired FIN

Answer :D
Discussion
19585.

Question : Choose the correct statement

Answer»

Nociceptors respond to change in pressure.
Meissner's corpuscles are thermoreceptors.
photoreceptors in the human EYE are depolarized during DARKNESS and BECOME hyperpolarized in response to the light stimulus.
Receptors do not produce GRADED potentials.

Solution :N//A
Discussion
19586.

Question : Choose the correct statement : (A) Pyruvate is formed in the mitochondrial matrix (B) During the conversion of succinyl Co-A to succinic acid a molecule of ATP is synthesized (C) Oxygen is vital in respiration for removal of hydrogen. (D) There is complete breakdown of glucose in fermentation.

Answer»

Pyruvate is formed in the MITOCHONDRIAL matrix
During the CONVERSION of succinyl Co-A to succinic acid a MOLECULEOF ATP is synthesized
Oxygen is vital in RESPIRATION forremoval ofhydrogen.
Thereis complete breakdownof glucose in fermentation.

Answer :A::C::D
Discussion
19587.

Question : Choose the correct statement .

Answer»

All reptiles have a three -CHAMBERED heart
All PISCES have gils COVERED by an operaculum
All mammals are viviparous
All CYCLOSTOMES do not posses jaws and paired fins

ANSWER :D
Discussion
19588.

Question : Choose the correct sequence with regard to plasmodium. (i)Sporozoite , (ii)Microgametocyte , (iii)Signet ring stage , (iv)oocyte

Answer»

I,III, IV , II
I,iii,ii,iv
I,iv,ii,iii
I,ii,iii,iv

Solution :I,iii,ii,iv
Discussion
19589.

Question : Choose the correct sequence in the hierarchy of taxonomic categories in descending order

Answer»

SPECIES - Genus - FAMILY - Order - Class - Division
division - Order - Class - Family - Genus - Species
division - Class - Family - Order - Genus - Species
division - Class - Order - Family - Genus - Species

Answer :D
Discussion
19590.

Question : Choose the correct sequence

Answer»

ORDOVICIAN, TRIASSIC, PERMIAN, CRETACEOUS
DEVONIAN, Permian, Cretaceous, Cambrian
Devonian, Triassic, Cretaceous, Ordovician
Silurian, Devonian, Permian, Triassic

Answer :D
Discussion
19591.

Question : Choose the correct pair:

Answer»

Compound EPITHELIUM -RESPIRATORY tract
Ciliated epithelium -Digestive tract
Columnar epithelium -Digestive tract
Pseudo STRATIFIED epithelium -HEART

Solution :Pseudo stratified epithelium -Heart
Discussion
19592.

Question : Choose the correct pair .

Answer»

SPIROGYRA- Algae
Shpagnum - Gymnosperm
Selagenella - Bryophyte
Funaria - Pteridophyte

Answer :A
Discussion
19593.

Question : Choose the correct option w.r.t given diagram.

Answer»

Nostoc `to` EUBACTERIA, can fix `N_(2)`
Spirillum `to` GRAM -positive bacteria
Anabaena `to` Archae bacteria, grow in POLLUTED place
Charac `to` SINGLE cell structures

Answer :A
Discussion
19594.

Question : Choose the correct option Mycorrhiza is a symbiotic association of fungus with root system which helps in A. absorption of water B. mineral nutrition C. translocation D.gaseous exchange.

Answer»

Only`A`
Only`B`
Both `A` and `B`
Both `B` and `C`

Solution :The roots of some higher plants are associated with fungal mycellia. Such an association is called nycorrhiza. It REPRESENTS a mulualistic (SYMBIOTIC) association between the roots system of higher plants and fungal hyphae.The fungal hyphae form a network around the YOUNG root and INVADE the root cells. The extrnal hyphae greatly increase the surface area for absorption of minerals and water from a much larger volume of SOIL that perhap the roots alone cannot do.
Discussion
19595.

Question : Choose the correct option mycorrhiza is a symbiotic association of fungus with root system which helps in (a) absorption of water, (b) mineral nutrition ,(c) translocation ,(d) gaseous exchange

Answer»

Only (a)
Only (B)
Both (a) and (b)
Both (b) and (C)

ANSWER :C
Discussion
19596.

Question : Choose the correct option among the following.

Answer»

II,I,iii,IV
iv,I,iii,ii
I,ii,iii,iv
I,iv,ii,iii

Answer :B
Discussion
19597.

Question : Choose the correct one

Answer»

AV noderarrPurkinje fibrerarrBundle of HitsrarrSA node
SA noderarrAV noderarrBundle of HisrarrPurkinje fibre
SA noderarrPurkinje fibrerarrAV noderarrBundle of His
AV noderarrSA noderarrBundle of HisrarrPurkinje fibre

Answer :B
Discussion
19598.

Question : Choose the correct names of the different bacteria according to their shapes.

Answer»

A-COCCI, B-BACILLI, C- SPIRILLA, D-Vibrio
A-Bacilli, B-Cocci, C- Spirilla, D- Vibrio
A-Spirilla, B- Bacilli, C- Cocci, D-Vibrio
A-Spirilla, B-Vibrio, C-Cocci, D-Bacilli

Answer :A
Discussion
19599.

Question : Choose the correct molecule for glucose.

Answer»




ANSWER :A
Discussion
19600.

Question : Choose the correct match regarding forms of algae

Answer»

COLONIAL - Volvox
Unicellular - Chara
FILAMENTOUS - Chlamydomonas
Branched filamentous - Spirogyra

Answer :A
Discussion