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8351.

Question : Sex chromosomes of a female bird are represented by

Answer»

XO
XX
XY
ZW

8352.

Question : Sewage treatment plant is used to control which type of pollution ?(A) Soil(B) Land(C) Water(D) Air

Answer»

SOIL
LAND
WATER
AIR

SOLUTION :Water
8353.

Question :Sewage treatment plant is divided into how many phases ?

Answer»

ONE
TWO
THREE
FOUR

SOLUTION :Two
8354.

Question : Sewagetreatmentcan be done by integratingartificial and natural processes. Explainthis usingthe exampleof Arcata town.

Answer»

Solution :The peopleof Arcata withbiologists createdan intergratd waste watertreatmentprocess within a naturalsystem . The cleaningoccurs in twostages.
a. Theconventional sedimentation , filteringand chlorinetreatmentsare given.Theremaniningpollutants were removed in the second stage.
ii. The biologistsdeveloped a seriesof sixconnected MARSHES over 60 hectare of marshland. Appropriateplants alage ,fungi and bacteria were seeded into thisarea which NEUTRALISE , absorb and assimilate the pollutants. Henceas THEWATER flows through the marshes, it GETS PURIFIED naturally.
8355.

Question : Sewage sludge is used as Tipping is a technique of

Answer»

manure
biogas generator
Both A and B
TIPPING

ANSWER :C
8356.

Question : Sewagefrom commonhospitalsif disposedto waterbodiesmay causethe outbreakof seriouswater borne diseases .a) Mention2 water borne diseases .b)which is thepopularmethodused to removehospital waste ?

Answer»

SOLUTION :a) DYSENTRY ,TYPHOID ,jaundiceetc.
B)INCINERATION
8357.

Question : Severe twisting of joint without dislocation is called

Answer»

SPRAIN
DISLOCATION
STRAIN
FRACTURE

ANSWER :a
8358.

Question : Severe Acute Respiratory Syndrome (SARS)

Answer»

is caused by a VARIANT of PNEUMOCOCCAL pneumonia
is caused by a variant of the common cold virus (corona virus)
is an acute FORM of asthma
affects non-vegetarians MUCH FASTER than the vegetarians

Answer :B
8359.

Question : Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of

Answer»

SHORTER rice plant
Better irrigation facilities
Early yielding rice VARIETY
Disease resistant rice variety

Solution :Several South Indian states RAISE 2-3 CROPS of rice annually. The agronomic feature that makes this possible is because of early yielding rice variety.
8360.

Question : Several proteins may be produced at the same time from a single m-RNA by :-

Answer»

the action of several RIBOSOMES in a string called a polyribosome
several RNA polymerase molecules WORKING sequentially
single peptides that ASSOCIATE ribosomes with rough E.R.
the INVOLVEMENT of multiple spliceosomes complex

Answer :A
8361.

Question : Several mammary ducts join to form a wider mammary ampulla which is connected to ___ through which milk is sucked out . Choose the option which fills the blanks correctly

Answer»

MAMMARY lobes
LACTIFEROUS duct
Mammary tubules

Solution :Structure which isin direct CONTACT with nipple
ROUTE of milk from mammary lobes to exterior is
Mammary `to` mammary tubule `to` mammary duct `to` mammary AMPULLA `to` lactiferous duct
8362.

Question : Several hormones like hCG, hPL, oestrogen, progesterone are produced by

Answer»

OVARY
placenta
Fallopian TUBE
PITUITARY

ANSWER :B
8363.

Question : Several hormones like hCG,hPL,estrogen and progesterone is produced by

Answer»

FALLOPIAN tube
Pituitary
Ovary
Placenta

Answer :D
8364.

Question : Set of digestive juices that contain starch digesting enzymes is

Answer»

PANCREATIC JUICE and SUCCUS entericus
Saliva and GASTRIC juice
Gastric juice and bile
Saliva and pancreatic juice

Answer :D
8365.

Question : Serum is:

Answer»

PLASMA WITHOUT fibrinogen
Plasma without `CA^(++)`
Plasma without globin
Plasma without heparin

Answer :A
8366.

Question : Sertoli's cells are found in

Answer»

PANCREAS
TESTES
Ovary
Liver

ANSWER :B
8367.

Question : Sertoli's cells are found inovaries and secrete progesteroneadrenal cortex and secrete adrenalinsemiiliferous tubules and provide nutrition to germ cellspancreas and secrete cholecystokini

Answer»

ovaries and SECRETE progesterone
adrenal cortex and secrete adrenalin
semiiliferous tubules and PROVIDE NUTRITION to germ cells
pancreas and secrete cholecystokini

Answer :C
8368.

Question : Sertoli cells secrete a hormone

Answer»

Gonadotropin
Testerone
Relaxin
Inhibin.

Answer :D
8369.

Question : Sertoli cells are regulated by the pituitary hormone known as –

Answer»

FSH
GH
Prolactin
LH

Answer :A
8370.

Question : The sertoli cells are regulated by which hormones of pituitary ?

Answer»

FSH
GH
Prolactin
LH

Answer :A
8371.

Question : Sertoli cells are found in:-

Answer»

OVARIES and SECRETE progesterone
adrenal cortex and secrete adrenaline
seminiferous tubules and secrete NUTRIENTS for GERM cells
pancreas and secrete cholecystokinin

Answer :C
8372.

Question : Sertoli cells are found in testis. These cells are

Answer»

NURSE cells
Reproductive cells
Receptor cells
None of these

Answer :A
8373.

Question : Sertoli cells are found in_____ of mammals .

Answer»

ADRENAL CORTEX and secrete ADRENALINE
seminiferous TUBULES and PROVIDE nutrition-to germ cells
pancreas and secrete cholecystokinin
ovaries and secrete progesterone

Answer :B
8374.

Question : Sertoli cells are found in

Answer»

TESTIS of cockroach
liver of MAMMALS
testis of mammals
testis of frog

Answer :C
8375.

Question : Sertoli cells are found in :

Answer»

Pancreas and secrete cholecystokinin
Ovaries and secrete progesterone
Adrenal cortex and secrete adrenaline
Seminiferous tubules and provide NUTRITION to GERM cells

Answer :D
8376.

Question : Sertoli cells are:

Answer»

NURSE cells
Reproductive cells
Receptor cells
None of these

ANSWER :A
8377.

Question : Sertoli cells active for providing themotility of spermnutrition of germ cellssecretion of testosteronenone of these above

Answer»

MOTILITY of sperm
nutrition of GERM cells
secretion of testosterone
none of these above

Answer :B
8378.

Question : Sertoli cells

Answer»

Solution :LOCATION : They are in seminiferous tubules.
Functions : Provides NUTRITION to GERM cells.
8379.

Question : SER is mainly found in cells actively engaged in:

Answer»

PROTEIN synthesis
DNA synthesis
Lipid synthesis
Secretion

Answer :C
8380.

Question : Sericulture and Lac culture.

Answer»

SOLUTION :
8381.

Question : Sequentially arrange the different units of ecological hierarchy.

Answer»

SOLUTION :
8382.

Question : Sequences of base pairs in DNA that reads the same on both the strands when the orientation of reading is kept the same are called _____ Sequences.

Answer»

SOLUTION :PALINDROMIC NUCLEOTIDE
8383.

Question : Sequence that correctly describes the cell cycle is:-

Answer»

`to S to G_(2) to Karyokinesis to Cytokinensis to G_(1)to`
`to G_(1) to G_(2) to Karyokinesis toCytokinensis to`
`to G_(1) to S to G_(2) to CYTOKINESIS to Karyokinesisto`
`to Cytokinensis to Karyokinesis to G_(1) to S to G_(2) to`

Answer :A
8384.

Question : Sequence of hormone during menstrual cycle is .

Answer»

OESTROGEN, PROGESTERONE and FSH
Progesterone,Oestrogen and FSH
FSH, Oestrogen and progesterone
FSH, Progesterone and Oestrogen

Answer :C
8385.

Question : Sequence of meninges from inner to outside is:

Answer»

DURAMATER ARACHNOID PIAMATER
Duramater Piamater Arachnoid
Arachnoid Duramater Piamater
Piamater Arachnoid Duramater

Answer :D
8386.

Question : Sequence of bases on tRNA which are complementary to codon of mRNA _____

Answer»

SOLUTION :ANTICODONS
8387.

Question : Separation and isolation of DNA fragments is a major event in recombi-nant DNA technology . The separated fragments cannot be seen in a nor-mal way . Is there any method to visualise the separated DNA ? Explain .

Answer»

SOLUTION :The SEPARATED DNA FRAGMENTS can be visualised only after staining the DNA with a COMPOUND known as ethidium bromide followed by exposure to UV radiation . DNA can be seen as bright orange coloured bands.
8388.

Question : Separate DNA : Restriction Endonuclease : Connects DNA

Answer»

PROTEASE
LIPASE
Nuclease
LIGASE

SOLUTION :Ligase
8389.

Question : Septate sclereides occur inpereskia in

Answer»

PITH and cortex
xylem
phloem
pericycle.

Answer :B
8390.

Question : Sensory ganglion concerned with spinal reflex is found in

Answer»

VENTRAL root of spinal nerve
dorsal GANGLION of apinal nerve
dorsal root of spinal nerve
CUTANEOUS sense ORGAN

ANSWER :C
8391.

Question : Sensory crista of ampulla of mammalian ear is c onnected with

Answer»

Sense of balance
Sense of low HEARING
Sense of loud hearing
SECRETION of EAR wax.

ANSWER :A
8392.

Question : Sensitivity to any allergen is related to :

Answer»

DEVIATION from the PROCESS of immunity
Age of the person
Eating HABIT
RISE in ENVIRONMENTAL temperature

Answer :A
8393.

Question : Explain senescence phase.

Answer»

Solution :After the REPRODUCTIVE phase, the hormonal changes GRADUALLY slow down the production of MALE and FEMALE gametes. This phase is called the SENESCENT phase.
8394.

Question : Senescence is inhibited by:

Answer»

Cytokinin
Auxin
Gibberellin
ABA

Answer :A
8395.

Question : Senescenceas an activedevelopmental celluarprocess in the growth ,and funcitoningof a floweringplant, is indicated in

Answer»

ANNUAL PLANTS
FLORAL parts
Vessesl and TRACHEID differenatation
Leafabscission

Answer :C
8396.

Question : Seminiferous tubules occur in the

Answer»

LIVER
KIDNEY
OVARY
TESTIS

ANSWER :D
8397.

Question : Seminal vesicle is present at the junction of

Answer»

PROSTATE and urethra
prostate and vas-DEFERENS
prostate and cowper's gland
vas deferens and testis

Answer :B
8398.

Question : Seminal plasma, the fluid part of semen, is contributed by. (i) Seminal vesicle (ii) Prostate gland (iii) Urethra (iv) Bulbourethral gland

Answer»

I and ii
I, ii and iv
ii, iii and iv
I and iv

Solution :The male sex accessory ducts include rate testis, vasa defferentia, epididymis and vasa deference. Secretions of these glands possess semen. This semen POSSESSES large amount of FRUCTOSE, calcium andenzymes.
The secreation of bulbo urethral glands help in lubricating penis. Urethra is a duct that passes from the middle of penis of male reproductive SYSTEM and it is a common pathway to pass semen and FLUID excretory material urine. In FEMALES there is no function releated to urethra about reproductive system.
8399.

Question : Seminal plasma is acidic or alkaline. Write its composition.

Answer»

Solution :• Seminal PLASMA is alkaline in NATURE.
• It contains fructose, ascorbic ACID, PROSTAGLANDINS and a coagulating enzyme called vesiculase.
8400.

Question : Seminal plasma is rich in

Answer»

GLUCOSE and testosterone
DNA and POTASSIUM
RIBOSE and potassium
fructose and calcium

Answer :D