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17351.

Question : Green, aerial photosynthetic roots are found in

Answer»

VISCUM
Taeniophyllum
RHIZOPHORA
CUSCUTA

ANSWER :B
17352.

Question : Green algae are considered ……………… of all terrestrial plants .

Answer»


ANSWER :ANCESTORS
17353.

Question : Greater genetic varibility can be created in the plants through.

Answer»

MASS SELECTION and CLONAL selection
Pure LINE selection and Clonal selection
Pure line selection and Mass selection
Hybridizationand MUTATION breeding

Answer :D
17354.

Question : Graveyards of RBS.

Answer»

LIVER
SPLEEN
ALBUMIN
All of these

Answer :B
17355.

Question : Grasses have anadaptive mechanism to compensate photorespiratory lossesName and describe the mechanism.

Answer»

Solution :The photo respiratory losses are checked by certain GRASSES by having physiological adaptation. The process of photosynthesis OCCURS in mesophyll cells and bundle sheath cells.
Mesophyll cells:
(a) INITIALLY `CO_(2)` is TAKEN up by phosphoenol p
17356.

Question : Graph of time against growth is ....

Answer»

J
S - CURVE
Constant LINEAR growth
None

Solution :S - curve
17357.

Question : Grapes immersed in a strong solution of sugar shrink. This is due to a phenomenon known as …………………………..

Answer»

SOLUTION :ROOT PRESSURE
17358.

Question : Granaand Stroma

Answer»

SOLUTION :
17359.

Question :Grain is a fruit not seed.

Answer»

SOLUTION : In this CASE PERICARP is FUSED with TESTA.
17360.

Question : Grafting is successful in dicots but not in monocots because the dicots have

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Vascular BUNDLES ARRANGED in a ring.
Cambium for SECONDARY growth.
Vessels with ELEMENTS arranged end to end.
Cork cambium.

Answer :B
17361.

Question : Grafting is not possible in monocots because of

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Lack of cambium
Presence of scattered VASCULAR BUNDLES
PARALLEL venation
HERBACEOUS nature

Answer :B
17362.

Question : Grafted kidney may be rejected in a patient due to

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INNATE IMMUNE response
Humoral immune response
Cell-mediated immune response
Passive immune responses

Answer :C
17363.

Question : Grafting is employed for better and quicker yield of good varieties of

Answer»

apple
citrus
mango
all of these

Answer :D
17364.

Question : Grafted kidney mays berejected in a patient due to:

Answer»

INNATE IMMUNE RESPONSE
HUMORAL immune response
Cell-mediated immune response
Passive immune response

SOLUTION :Cell-mediated immune response
17365.

Question : Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is

Answer»

bronchitis
EMPHYSEMA
asthma
tuberculosis

Solution :emphysema
17366.

Question : Gorgonia : Sea fan :: Pennatula : …………….

Answer»

SOLUTION :SEA PEN
17367.

Question :Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements. (a) Vitamin A derivatives are formed from carotene. (b)The photo pigments are embedded in the membrane discs of the inner segments. (c ) Retinal is a derivative of vitamin A (d) Retinal is light absorbing part of all the visual photopigments.

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

SOLUTION :N/A
17368.

Question : Good humor hypothesis was disproved by the discovery of

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Haeckel
Landsteiner
FISHER & RACE
WILLIAM Harvey

Answer :D
17369.

Question : Gonads of Obelia occur in ………………….. .

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on blastocyst
in hydrula STAGE
radial CANALS of medusa
BASES of entacles of medusa

SOLUTION :radial canals of medusa
17370.

Question : Golgi complex plays a major role in

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POST TRANSLATIONAL modification of PROTEINS and GLYCOSIDATION of lipids
translation of proteins
Transcription of proteins
SYNTHESIS of lipid

Solution :post translational modification of proteins and glycosidation of lipids
17371.

Question : Golgi body receives materials from

Answer»

lysosome
endoplasmic reticulum
mitochondria
cell membrane

Answer :B
17372.

Question : Golgi body is concerned with

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Respiration
SECRETION
EXCRETION
DEGRADATION

Answer :B
17373.

Question : Golgi body is associated with:

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PACKAGING and STORAGE of material
Cell PLATE formation
Secretion of DIFFERENT substances
All of the above

Answer :D
17374.

Question : Golgi apparatus is important for

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I & IV only
II & IV only
III & IV only
I,II,III

Answer :D
17375.

Question : Golgi apparatus in plant and invertebrate cells conissts of several separate units. What are these called ?

Answer»

SOLUTION :DICTYOSOMES.
17376.

Question : Golden brown protists are

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DINOPHYCEAE
bacillariophyceae
euglenophyceae
both 1 and 2

Answer :A
17377.

Question : Choose the odd one out Goitre, cretinism, dwarfism, myxedema

Answer»


ANSWER :DWARFISM (only ASSOCIATED with GH)
17378.

Question : Golden Age of Fishes is

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MESOZOIC era
Coenozoic era
Devonian period
CARBONIFEROUS period

Answer :C
17379.

Question : Golden Age of Reptiles is

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Coenozoic era
DEVONIAN PERIOD
Carboniferous period
MESOZOIC era

ANSWER :D
17380.

Question : Goblet cells secrete

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simple PROTEIN
Structural protein
DERIVED protein
Conjugated protein

ANSWER :C
17381.

Question : Goitre is a pathological condition associated with

Answer»

glucagon
progesterone
THYROXINE
testosterone.

SOLUTION :Goitre is caused due to the deficiency of iodine in the diet. Iodine is needed for the sysnthesis of thyroxine SECRETED by thyroid gland. The production of this hormone decreases with poor iodine diet. This causes ENLARGEMENT of thyroid gland which is called goitre.
17382.

Question : Go through the following statements. (i)In proteins, right handed and left handed helices are observed(ii)In B-DNA, at each step of ascent, the strand turns 36^(@).(iii)Living process is a steady - state in equilibrium. (iv)The rate of reaction doubles or decreas- es by half for every 10^(@) C change in ei- ther direction. Find out the correct statement ?

Answer»

(i), (III) & (iv)
(ii) & (iv)
(i) & (iv)
All are CORRECT

Solution :In proteins, only righthanded helices are observed. SYSTEMS at EQUILIBRIUM cannot perform work. As LIVINGORGANISMS workcontinously they cannotafford to reach equilibrum. Hence the livingstate in a non- equilibrium steady- state to be ableto perform work.
17383.

Question : Go through the following mathces (i) Cotton - Open aestivation (ii) Lady finger - Quincuncial aestivation (iii) Cassia - Ascending imbricate aestivation (iv) Bean - Descending imbricate aestivation Which of these are correct ?

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(i), (III) & (IV)
(iii) and (iv)
(II), (iii) and (iv)
All are correct.

Answer :B
17384.

Question : Go through the following matches : (i) Poinsettia - Cyathium (ii) Ocimum sandctum - Cyathium (iii) Salvia - Verticillaster (iv) Fig - Verticillaster Which of these are correct ?

Answer»

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

ANSWER :B
17385.

Question : Go through the following matches (i) jasmine - Climber (ii) Peppermint -Stolon (iii) Pistia - Offset (iv) Chrysanthemum- Sucker Which of these are correct ?

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(i), (II) and (III)
(ii), (iii) and (IV)
(i), (iii) and (iv)
All are correct.

Answer :B
17386.

Question : Go through the following matches (i) Colocasia - Corm (ii) Ginger - Rhizome (iii) Turmeric - Corm (iv) Canna - Rhizome Which of these are correct ?

Answer»

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

ANSWER :D
17387.

Question : Go through the following matches (i) Cassia - lmbricate aestivation (ii) Lady finger - Twisted aestivation (iii) Calotropis - Vexillary aestivation (iv) Lily - Epipetalous stamens (v) Alstonia - Whorled phyllotaxy (vi) Silk cotton - Pinnately compound leaf Find out the correct matches

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(i), (iii), (V), (vi)
(II), (IV), (v), (vi)
(i), (ii) & (v)
(iii), (iv), (v), (vi)

Answer :C
17388.

Question : Gnetum shows similarity with angiosperms due to

Answer»

absence of RESIN ducts
absence of ARCHEGONIA
presence of vessel ELEMENTS
both B and C

Solution :GNETUM shows similarity with angiosperms due to absence of archegonia and presence of vessel elements.
17389.

Question : GnRH, a hypothalamic hormone, needed in reproduction, acts on:

Answer»

ANTERIOR PITUITARY gland and stimulates secretion of LH and FSH
osterior pituitary gland and stimulates secretion of oxytocin and FSH
posterior pituitary gland and stimulates secretion of LH and RELAXIN
anterior pituitary gland and stimulates secretion of LH and oxytocin

Solution :anterior pituitary gland and stimulates secretion of LH and FSH
17390.

Question : Glycoproteins are known to play an important role in cellrecognition. The specificity of this recognition is provided largely by

Answer»

PROTEIN PORTION of glycoprotein
CARBOHYDRATE portion of glycoproteins
Both carbohydrate and protein COMPONENTS of glycoproteins
Lipid portion of glycoproteins

Answer :B
17391.

Question : Illustrate a glycosidic, peptide and a phospho-diester bond.

Answer»

Solution : TWO successive carbon ATOMS of two monosaccharides, links TOGETHER by the process of dehydration poly saccharide is FORMED. Bond is glycosidic bond.
17392.

Question : Glycolytic fibres or white muscle fibres lack ............

Answer»

SOLUTION :MYOGLOBIN
17393.

Question : Glycolysis is also called EMP pathway.

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Solution :It is NAMED after THREE GERMEN scienthists i.e. Embden, MEYERHOF and PARNAS.
17394.

Question : Glycolysis/fermentation forms two 2 ATP molecules per glucose molecule.

Answer»

SOLUTION :GLYCOLYSIS
17395.

Question : Glycolysis and Kreb's cycle both are energy yielding pathways is aerobic respiration. How these two pathways differ among themselves ?

Answer»

SOLUTION :
17396.

Question : Glycolysisand citric acid cycle

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SOLUTION :`{:("Glycolysis ","Citric acid cycle "),("(1) Thisprocess occurs in cytoplasm of a cell","(1) Thisprocess occurs in matrix of mitochondria "),("(2) " O_(2) " is not usedin this process ","(2) " O_(2) " is used in this process "),("(3) Two molecules of PYRUVIC acid are obtainedfrom Glucose ","(3) VARIOUSTYPES of acids are obtained from pyruvic acid "),("(4) " CO_(2) " is not produced in this process","(4) Three molecules of " CO_(2) " are produced during this process" ),("(5) It is not a cyclic process ","(5) It is a cyclic process "),("(6) Discoverers are Embeden, Mayerhoff and parnas ","(6) DISCOVERER is Hans Krabes. " ):}`
17397.

Question : Glycolysisand Fermentation .

Answer»

Solution :`{:("Glycolysis ","Fermentation "),("(1) Pyruvic acid is formed from glucose in this process","(1) Ethyl alcohol or lactic acid is formed in this process"),("(2) This process occursin cytoplasm of the cell or a LIVING organism ","(2) This process occursin YEAST, FUNGI, bacteria or any parasite"),("(3) This process steps till pyruvic acid ","(3) In this process there are phases afterpyruvic acid "),("(4) " CO_(2) " is not produced in it ","(4) " CO_(2) " is produced along withethanol "),("(5) Reactants/ substrates of this process are glucose ","(5) The reactants /substrates of this process are 2 acetyl groups 6NAD, 2FAD"),("(6) Products are 2 pyruvate, " 2NADH + H^(+) and 2 FADH_(2),"(6) Products are "4CO_(2) ",2ATP , 6NADH," 2FADH_(2)):}`
17398.

Question : Glycine and alanine are different with respect to one substituent on the α-carbon. What are the other common substituent groups ?

Answer»

Solution :In both AMINO ACID common substituent GROUPS are `NH_2`, COOH and H.
17399.

Question : Glycogen is not seen in ____cells.

Answer»

Liver
Skeletal
muscle
BRAIN

Solution :Brain
17400.

Question : Glyceraldehyde 3 phosphate is an isomer of _____

Answer»

URBP
OAA
DHAP
DPIP

Solution :DHAP