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19151.

Question : Consumption of milk in some adult human beings causes rennin,lactase,etc may cause diarrhoea.Suggest reasons for this phenomenon.

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Solution :Reduce secretion or ABSENCE of milk DIGESTING ENZYMES such as rennin,lactase,ETC.,may cause DIARRHOEA.
19152.

Question : Which of the following two statements are correct? i) Medical termination of pregnancy (MTP) during first trimester is generally safe ii) Generally chances of conception are nil until mother breast-feeds the infant upto two years iii) Intrauterine devices like copper-T are effective contraceptives iv) Contraception pills may be taken upto one week after coitus to prevent conception

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

Answer :A
19153.

Question : Consider the following water conservation mechanisms: (a) Nasal countercurrent mechanism (b) Dependence on metabolic water (c) Highly hypertonic urine (d) Living more on protein rich diet A kangaroo rat living in desert can survive without drinking water because of

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(a), (B) and (C)
(a), (b) and (d)
(b), (c) and (d)
(a), (c) and (d) only

ANSWER :A
19154.

Question : Consider the following statements with respect to respiration :

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Glycolysis OCCURS in the cytoplasm of the cell.
Aerobic respiration takes place within the mitochondria.
Electron transport system is present in the OUTER mitochondrial membrane.
`C_(51)H_(98)O_(6)` is the chemical formula of Tripalmitin, a fatty acid.

Answer :A
19155.

Question : Consider the following statements. (i)In Gynandropsis, Passiflora , etc., thalamus is elongated and shows well developed nodes and internodes. (ii)The floral buds in Agave, Allium , etc. , may sometimes get modified into vegetative buds or bulbils. (iii)Sepals are concerned with protection of flowers in bud condition and petals help to attract insects for pollination. (iv)Stamens and carpels serve as the male and female reproductive organs respectively. Which of the following combinations of above statements provides an evidence that flower is a modified shoot ?

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(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)

Solution :Flower is a modified shoot, which is DIVIDED into nodes and internodes like an ORDINARY vegetative shoot. However, since the flowering shoot is highly compressed, the distinction between nodes and internodes is lost. In Gynandropsis gynandra PASSIFLORA, etc., thalamus is elongated and SHOWS well developed nodes and internodes between the floral organs. The floral buds in Agave, Allium, etc., are modified into vegetative buds/bulbils. This shows reversion to the orginal structure, i.e., vegetative BUD from which these have developed.
19156.

Question :Consider the following statements.I) Secondary lymphoid organs includes lymph nodes, spleen and small masses or lymph tissue such as Peyer's patches, appendix and thymus.II) The secondary lymphoid organs are the site of lymphocyte maturation and they efficiently trap antigens for exposure to T and B-cells. Which of the statements given above is/are correct?

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Only I
Only II
I and II
NONE of these

Answer :D
19157.

Question :Consider the following statements. I) Dead cells of the skin prevents pathogen entry. II)Skin secretes oil that makes skin surface acidic. III)Skin secretes sweat that makes surface acidic. Which of the following given above are correct?

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

Answer :D
19158.

Question : Consider the following statements each with one or two blanks. (i) Repeated activation of the muscle can lead to the accumulation of (A) due to anaerobic breakdown of glycogen in them, causing fatigue. (ii) The globular head of meromyosin is an active ATPase enzyme and has binding sites for (B) active sites for (C) . This centre part of thick filament, not overlapped by thin filaments is called the (D) . Which one of the following options correctly fils the concerned blanks ?

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(A)-GLUCOSE, (D)-A-band
(A)-PYRUVIC acid, (B)-troponin, (C)-MYOSIN
(B)-ATP, (C)-actin, (D)-H-zone
(A)-lactic acid, (D)-I-band

Solution :A-lactic acid, B-ATP, C-actin, D-H zone
19159.

Question : Consider the following statements each with one or two blanks. (i)Each pectoral girdle consists of a(A)and(B) . (C)is a condition of rapid spasms (wild contractions) in muscle due to low Ca^(++) in body fuild. Each organised skeletal muscle in our body is made of a number of (D) held together by a common collagenous connective tissue layer called (E) . Which one of the following options correctly fills the blannks in any two the statements ?

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(C ) - Muscular dystrophy, (D) - fascia, (E) - fascicle
(A) - Clavicle, (B) - scapla, (C ) - TETANY
(A) - ilium,(B) ISCHIUM, (D) - fascicles, (E) - fascia
(C )-MYASTHENIA gravis, (D)-Fascicles, (E) - fascia

Solution :A-Clavicle: B-Scapula, C-Tetany, D-Fascicles, E-Fascia
19160.

Question : Study the following statements concerning food chains and select the correct ones. (i) Removal of 80% of tigers from an area resulted in greatly increased growth of vegetation. (ii) Removal of most of the carnivores resulted in an increased population of deer. (iii)The length of food chains is generally limited to 3-4 trophic levels due to energy loss. (iv) The length of food chains may vary from 2 to 8 trophic levels.

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(i), (IV)
(i), (II)
(ii), (III)
(iii), (iv)

ANSWER :C
19161.

Question : Consider the following statements and select the option stating which one is true (T) and which one is false (F). i) Abortions could happen spontaneously too ii) Infertility is the inability to produce viable offspring due to defects in the female partner only iii) Complete lactation could help in contraception iv) Creating awareness helps to create a reproductively healthy society

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`{:("(i)",(II),(III),(IV)),(T,F,T,T):}`
`{:("(i)",(ii),(iii),(iv)),(F,F,F,T):}`
`{:("(i)",(ii),(iii),(iv)),(T,T,T,F):}`
`{:("(i)",(ii),(iii),(iv)),(F,F,T,F):}`

ANSWER :A
19162.

Question : Consider the following statements and select the option stating which ones are true (T) and which ones are false (F). i) There are many side effects of tubectomy and vasectomy ii) Purpose of tubectomy is to prevent egg formation iii) Contraceptive oral pills help in birth control by preventing ovulation iv) Genital warts is a sexually transmitted disease caused by Herpes virus v) In India, there is rapid decline in infant mortality rate and MMR

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`{:("(i)",(II),(III),(IV),(V)),(T,F,T,F,F):}`
`{:("(i)",(ii),(iii),(iv),(V)),(F,F,F,T,T):}`
`{:("(i)",(ii),(iii),(iv),(V)),(T,T,T,F,F):}`
`{:("(i)",(ii),(iii),(iv),(V)),(F,F,T,F,T):}`

Answer :D
19163.

Question : Consider the following statements and select the correct option (A) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles (B) ER helps in the transparent of substances, synthesis of proteins, lipoproteins and glycogen (C) Ribosomes are involved in protein synthesis (D) Mitochondria help in oxidative phosphorylation and generation of ATP

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B, C and D are correct
A ALONG is correct
B ALONE is correct
C alone is correct

Answer :A
19164.

Question : Consider the following statements (A-D) each one with one or two blanks. a) For many taxonomic groups, species inventories are more complete in _(P) __ than in (Q) countries. b) Among animals, (R) are the most species rich taxonomic group, making up more than (S) per cent of the total. c) Conventional taxonomic methods are not suitable for identifying_(T)__ species, d) (U) are regions with very high levels ofspecies richness and __(V)__ degree of endemịsm. Which one of the following options gives correct fill-ups for the respective blank numbers in the statements?

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T - amphibian
R - fishes S-70
P- temperate Q- TROPICAL
U - biodiversity hotspots V - LOW

Answer :C
19165.

Question : Consider the following statements (A-C) each with two blanks . (i) Jellyfish exhibits (A) symmetry whereas cutte fish exhibits (B) symmetry . (ii) Incomplete gut is present in (C ) whereascomplete gut is present in (D) (iii) Closed circulatoryis present(E ) whereas open circulatory systemis present in (F) (iv) Flatworms are (G) whereas roundworms are (H) Which one of the following options , gives the correct fill - ups for both the blank numbers one of the above statements ?

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A: bilateral , B : RADIAL
C : roundworms , D : FLATWORM
E: silkworm ,F earthworm
G: acoelomates , H : PSEUDOCOELOMATES

Answer :D
19166.

Question : Consider the following statement (i)-(iii) and select the correct option stating which ones are true (T) and which one are false (F) (i) Keratinised stratified squamous epithelium covers moist surfaces like buccal cavity (ii) Fibroblasts store fat in adipose tissue (iii) Urinary bladder is lined by a stratified epithelium.

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`{:("(i)(ii)(III)"),("FTT"):}`
`{:("(i)(ii)(iii)"),("TFF"):}`
`{:("(i)(ii)(iii)"),("TFT"):}`
`{:("(i)(ii)(iii)"),("TTF"):}`

Solution :Non-keratinised stratified SQUAMOUS epthelium covers moist surfaces like buccal cavity, pharynx, vagina, cervix, etc. Adipocytes STORE fat in adipose tissue. URINARY BLADDER is lined by transitional epithelium.
19167.

Question : Consider the following statement each with one or two blanks. (i). The ascending limb of loop of Henle is impermeable to (1).____but allows transport of (2)._____ (ii). (3)._____and (4)._____play a significant role is producing a concentrated urine. (iii). A fall in glomerular blood flow/glomerular blood pressure/GFR can activate the JG cells to release (5)._____ Which one of the following options correctly fills the blanks in any two of the statements?

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(1)-water, (2)-electrolytes, (5)-renin
(3)-Henle's loop, (4)-VASA recta, (5)-ANGIOTENSIN
(1)-electrolytes, (2)-water, (3)-PCT, (4)-DCT
(3)-Henle's loop, (4)-vasa recta, (5)-angiotensionogen

Answer :A
19168.

Question : Consider the followingstatement. D-glucose, D-galactose and D-fructose are all. 1. Isomers2. Epimers 3.Aldohexoses 4.Monosaccharides . Whichof theseis/areunsaturated fatty acids ?

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1 and 4
2 and 4
1,2and 4
1,2 and 4

Answer :A
19169.

Question : Consider the following statement A-D each with one or two blanks

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A. BEARS go into (1) during winter to (2) cold weather cold weather
B. A conical age PYRAMID with a broad base represents (3) human population
C. A wasp pollinating a fig flower is an example of (4)
D. An area with high levels of species rich ness is known as (5)
Which one of the following OPTIONS, gives the correct fill UPS for the respectively blank numbers from (1) to (5) in the STATEMENT ?
(3) -stable (4) -commensalism, (5) marsh
(1) -aestivation (2)-escape,(3) -stable,(4) mutualism
(3)-expanding ,(4)-mutualism, (5) biodiversity park

Answer :D
19170.

Question : Consider the following statement about biomedical technologies

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During open heart surgery BLOOD is circulated in the heart lung machine
Blockage in coronary arteries is removed by angiography
Computerised axial tomography (CAT) shows DETAILED internal STRUCTURES as seen in a section of body
X-rays provides clear and detailed images of organs LIKE prostate gland and lungs

Answer :A
19171.

Question : Consider the following stages 1. Spermogonial 2. Aecial 3. Uredial 4. Telial 5. Basidial The correct sequene of these stages in the life-cycle of Puccinia graminis tritici is

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2,1,4,3,5
1,2,4,5,3
1,2,3,4,5
2,1,4,5,3

Answer :C
19172.

Question : Consider the following four statements (i),(ii),(iii) and (iv) (i) In vexillary aestivation, the large posterior petal is called standard, two lateral ones are called wings and two small anterior petals are termed as keel (ii) The floral formula for Liliaceae is (iii) In pea flower, the stamens are monadelphous (iv) The floralformula for Solanceae is The correct statement are

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(i)and (III)
(i) and (II)
(ii) and (iii)
(iii) and (IV)

ANSWER :B
19173.

Question : Consider the following four statements (i-iv) regarding kidney transplant and select the two correct ones out of these (i) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time (ii) The cell-mediated immune response is responsible for the graft rejection (iii) The B-lumphocytes are responsible for rejection of the graft (iv) The acceptance or rejection of a kidney transplant depends on specific interferons The correct statements are

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(II) and (III)
(iii) and (IV)
(i) and (iii)
(i) and (ii)

ANSWER :D
19174.

Question : Consider the following four statements (i)-(iv) and select the correct option. (i) Actin is present in thin filament. (ii) H-zone of striated muscle fibre represents both thick and thin filaments. (iii) There are 11 pairs of ribs in man. (iv) Sternum is present on ventral side of the body.

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`{:("(i)","(ii)","(iii)","(iv)"),(F,F,T,F):}`
`{:("(i)","(ii)","(iii)","(iv)"),(F,F,F,T):}`
`{:("(i)","(ii)","(iii)","(iv)"),(T,F,F,T):}`
`{:("(i)","(ii)","(iii)","(iv)"),(T,F,T,F):}`

Solution :actin is a globular PROTEIN present in THIN filaments. There are 12 pairs of ribs in man. Sternun is a FLAT bone present on the ventral side of the body in the MIDDLE of the front of the chest.
19175.

Question : Consider the following four statements (I-IV) regarding kidney transplant and select the correct ones out of these.I) Even if a kidney transplant is proper the recipient may need to take immunosuppressant for a long time. II) The cell mediated immune response is responsible for the graft rejection III) The B-lymphocytes are responsible for rejection of the graft. IV) The acceptance or rejection of a kidney transplant depends on specific interferions.The two correct statement are

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II and III
III and IV
I and III
I and II

Answer :D
19176.

Question : Consider the following four statements A)The sporophyte in liverworts is more elaborate than that in mosses B) Salvinia is heterosporous C) The life-cycle in all seed-bearing plants is diplontic D) In Pinus male and female cones are borne on different trees The two wrong statements together are

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A and C
A and D
B and C
A and B

Answer :B
19177.

Question : Consider the following four statements A, B, C and D select the right option for two correct statements (A) In vexillary aextivation, the large posterior petal is called - standard, two lateral ones are wings and two small anterior petals are termed keel (B) (C) In pea flower the stamens are monadelphous (D) The correct statement are

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(A) and (C)
(A) and (B)
(B) and (C)
(C) and (D)

SOLUTION :PEA - DIADELPHOUS
19178.

Question : Consider the following fatty acids1. Linolenic2.Epimers 3. Aldohexoses4. Monosaccharides. whichof the above statements are correct ?

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1 only
1 and 2
3 and 4
2,3 and 4

Answer :B
19179.

Question : Consider the following diagram. Identify A, B, C and D

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A-Ilium, B-Pubis, C-Ischium, D-Patella
A-Ilium, B-Pubis, C-Patella, D-Ischium
A-Ischium, B-Pubis, C-Ilium, D-Patella
A-Pubis, B-Ilium, C-Ischium, D-Patella

Answer :A
19180.

Question : Consider for following four statements and select the correct option starting which ones are true (T) and which ones are flase (F). (i) Expiration is normally brough about by the relaxation of inspiratory muscles. (ii) Oxyhaemoglobin can hold much less carbon dioxidein the form of carbaminohaemoglobin than what deoxyhaemoglobin can. (iii) A person can expel all the air from the lungs by a forceful expiration. (iv) A rise in PCO_(2) increases the oxygen-affinity of haemoglobin.

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`{:("(i)",(ii),(iii),(iv)),(F,F,T,F):}`
`{:("(i)"1,(ii),(iii),(iv)),(T,T,F,F):}`
`{:("(i)",(ii),(iii),(iv)),(F,T,T,F):}`
`{:("(i)",(ii),(iii),(iv)),(T,T,T,F):}`

Solution :A person cannot expel all the AIR from the LUNGS even after forceful expiration. The volume of air which remains in the lungs after the most forceful expiration is called residual volume, it is about `1100 mL` to `1200 mL`. A rise in `PCO_(2)` decreases the `O_(2)` AFFINITY of haemoglobin.
19181.

Question :Consider how different foods affect water and salt balance, and how the excretory system must respond to maintain homeostasis.

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SOLUTION :The excessive intake of sodium chloride, i.e. common salt increases osmolarity. This increases thirst and secretion of vasopressin. The vasopressin increases reabsorption of water in the RENAL tubule. KIDNEYS prevent the loss of water. Due to intake of water due to thirst, extracellular fluid volume increases. This stimulates kidneys to excrete salt and water to bring osmolarity tonormal. When there is an increase in the blood PRESSURE due to increase in the extracellular fluid volume, cardiovascular reflexes occur to reduce the blood pressure. This brings the volume and blood pressure to normal.
Thus, the excessive intake of sodium affects the water and salt balance. The excretory SYSTEM responds to those changes and maintains homeostasis.
19182.

Question : Conservation of biodiversity within their natural habitat is.

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INSITU CONSERVATION
Exitu CONSREVATION
in VIVO conservation
in virtro conservation

ANSWER :A
19183.

Question : Connective tissues contain an immature class of cells with a name ending in 'blast' which means

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to RUPTURE 
to BRANCH 
to bud or sprout 
to divide 

ANSWER :C
19184.

Question : Connective tissue containing large amount of fat cells.

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SOLUTION :ADIPOSE TISSUE
19185.

Question : Conjugated proteins containing carbohydrates as prosthetic group are known as

Answer»

Chromoprotiens
Glycoprotiens
Lipoprotiens
Nucleoprotiens

ANSWER :B
19186.

Question : Conjoint vascular bundles

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SOLUTION :The vascular BUNDLE in which XYLEM TISSUE and phleom tissue are arranged together, such a vascular bundle is called conjoint vascular bundle.
19187.

Question : Conjoint collateral and open vascular bundles with xylem endarch occur in stem of

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DRACAENA
MAIZE
WHEAT
Helianthus

Answer :D
19188.

Question : Conjoint and open vascular bundles are seen in A) Dicot stem B) Monocot stem C) Dicot leaf Monocot leaf

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A, B only
A only
C, D only
B, C only

Answer :B
19189.

Question : Conjoint, bicollateral and open vascular bundles are found

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ROOTS
MAIZE STEM
mango stem
Cucurbitastem

SOLUTION :Cucurbitastem
19190.

Question : Conjoint and closed vascular bundles are found in

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All stems and LEAVES
Only the leaves of DICOT and MONOCOT plants
Leaves and stems of monocot plants only
Monocot stems, leaves of dicot and monocot plants

Answer :D
19191.

Question : Conifers differ from grasses in the

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Absence of pollen tubes
Formation of ENDOSPERM before fertilization
Production of SEEDS from ovules
Lack of xylem tracheids

Answer :B
19192.

Question : Conifers are adapted to tolerate extreme environment conditions because of

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THICK cutile
Presence of vessels
Braod HARDY leaves
Superficial stomata

Answer :A
19193.

Question : Conical/pyramidal/excurrent habit of Pinus is due to

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COMPETITION AMONG branches
Effect of auxin
Efficiency of WATER movement
Competition AMONGST ADJACENT trees

Answer :B
19194.

Question : Conglobate Gland

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Solution :Location : In male cockroach accessory REPRODUCTIVE GLAND located at VENTRAL side of ejaculatory. Function : A hard coating is made around sperm cells bag due to its secretion.
19195.

Question : Cones represent the …………….. Organs in the gymnosperms.

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ANSWER :SEX
19196.

Question : Cones and rods are helpful respectively in

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dimlight vision, COLOUR vision 
colour vision, dimlight vision 
COLOR vision only 
dimlight vision only 

Answer :B
19197.

Question : Cone bearing pteridophyta are

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LYCOPSIDA and PSILOPSIDA
FILICINAE and Lycopsida
Filicinae and SPHENOPSIDA
Lycopsida and Sphenopsida

ANSWER :D
19198.

Question : ..........conducts water and ions whereas ..........conducts food.

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PHLOEM, XYLEM
xylem, phloem
CAMBIUM, phloem
xylem, cambium

Solution : xylem, phloem
19199.

Question : Conducting tissue is not found in

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Mosses
LIVERWORTS
CYCAS
FERNS

ANSWER :B
19200.

Question : Conditions helpful in photorespiration are

Answer»

more OXYGEN and LESS CARBON dioxide
less oxygen and more carbon dioxide
more TEMPERATURE and less oxygen
more HUMIDITY and less temparature

Answer :A