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Test Booklet Code
7 h ~ t3ookIl.l s I ontalns 40 pages q g C m? 40 pPa I D o n o t o p e n t h i s l'est Booklet until you are a s k e d to do so.
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~*wgfiim;rdmm?*ma;~;~~ql Read carefully t h e I n s t r u c t i o ~ ~ort s t h e Back Cover of this 'Test 13ooklet.
~ * w ~ & M m f ~ ~ r T m r n T ~ d ~ E r m @ ~ I Important Ins trzrctio~is: ]-f?iiST: 1 1 T11e Answer S11eet is inside this Test Booklet. When you are directed to open the Test Booklet, take out the Answer Sheet a n d fill in the particulars on side-1 and side-2 carefully with bluelblack ball point pen only. 2. The test is of 3 hours duration and Test Booklet contains
180 questions. Each question carries 4 marks. For each
correct response, the candidate will get 4 marks. For
each incorrect response, one mark will be deducted
froin the total scores. The maximuln marks are 720.
3. Use Blue/Black Ball Point Pen only for writing
particulars on this page/markjng responses.
4. Rough work is to be done on the space provided for 4, +w 3 rnQ I
this purpose in the Test Booklet only.
5. O n completion of the test, the candidate must 5 * w ~ * w , * W $ ~ V / &W8'3$3m handove; the Answer Sheet to the invigilator before W Bq & I 4 ~& $wa leaving the Room/Hall. The candidates are allowed
to take away this Test Booklet with them.
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(3)
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(4)
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(2) (3) (4)
Cucumber China rose Onion
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(1)
(2)
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Roots play 111significaiitrole in absorption of water in : (1) ~uiiflo~ver
(2) (3) (4)
(2)
(4)
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Flowers are unisexual in .
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A colour blind man marr~esa woman wlth normal sight who lias no hlstory of colour blindness in her family. What is tlie probability of their grandson belng colour blind 7
(1) (2)
(I)
(3)
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Balbiani rings are sites of : (1) Lipid synthesis (2) Nucleotide synthesis (3) Polysaccliaride synthesis (4) RNA a i d protein synthesis Which o i tlie following pairs is not correctly matched ? Mode of reproduction Example (I) Offset Water hyacinth Banana (2) Rhizome (3) Binary fission Snrgclssuin (4) Conidia Peizicill itlm
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Ectopic pregnancies are referred to as (1)
Pregnancies with genetic ab~iormality.
(2)
Implantation of embryo at site other than uterus.
(3)
I~nplantationof defectiveembryo ~nthe uterus
(4)
Pregnancies terminated due to liormoiial ~mbalance.
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Choose the wrong statement
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(1)
Penicdlzz~771is multicellular and produces antibiotics
(2)
Neu~osporais used in the study of biochemical ' t i - m 3 & - 1 3 - d b +(2)? ? q genetics
(3)
Morels a n d truffles a r e poisonous mushroonls
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(1)
performing cementing to keep neighbouring cells together.
(2)
facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions,,.small molecules andsome iarge molecules. . ..
(3) .
separate two cells from each other..
(4) 44.
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The function of the gap junction is to :
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Yeast is unicellular and useful in fermentation
(4)
(3)
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stop substance from leaking across a tissue.
Axile placentation is present in : (1)
Dim tkus
(2)
Lei11011
(3)
Pea
(4)
Argerrrorlc
Which of the following are not membrane -bound ? (1)
Vacuoles
(2)
Ribosomes
(3)
Lysosomes
(4)
Mesosomes
In his classic experiments on pea plants, Mendel did not use : (1) Seed colour
(2)
Pod length
(3)
Seed shape
(4)
Flower position
46.
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47.
During ecological succ~ssion:
147.
(1)
the gradual and predictable change in species
composition occurs in a given area
(2)
the establishment of a new biotic community
is very fast in its prii-nary phase.
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(3) tlie numbers and types of animals remain
constant.
(4)
the changes lead to a community that is in
near equilibrium with the environment and
is called pioneer community
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in tlie form of : (1) Ammonia
(2)
Potassium urate
(3)
Urea
(4) Calcium carbonate Which of the following biomolecules does have a
phosphodiester bond ?
(1) Fatty acids in a diglyceride (L) lvlonosaccharldes in a polysaccharide
(3) Amino acids in a polypeptide (4) Nucleic acids in a nucleotide The UN conference of Parties on climate change in
the year 2012 was held at :
(1)
Durban
(2)
Doha
(3)
Lima
(4)
Warsaw
Arrange the following events of meiosis in correct sequence :
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(a)
Crossing over
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(b) Synapsis (c)
(b)
Terminalisation of chiasmata
(d) ~isappeaianceof .nucleolus.
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(c)
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(d). (1)
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(2)
P)J
(3)
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(4)
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Root pressure develops due to : (1)
Active absorption
(2)
LOW O S ~ I O ~potential ~C 111 SOII
(3)
Passive absorption
(4)
Increase in transpiration
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(4)
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Frog Lizard
(3)
Whale
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Which one of the follo\ving animals has two separate circulatory pathways ? (1) (2)
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(4) Shark
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(4)
54. Which of the following events is not associated with
ovulation m human female ?
(1) Decrease in estradiol
(2) Full development of Graafian follicle (3) Release of secondary oocyte (4)
LHsurge
55. Most animals that live in deep oceanic waters are : (1) primary consumers
(2) secondary consumers (3) tertiary consumers (4) 56.
detritivores
Tf you suspect major deficiency of antibodies in a
person, to which of the following would you look
for confirmatory evidence ?
(1) Fibrjnogin in plasma
(2) Serum albumins (3) Haemocytes (4) Serum globulins 1
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58. Increase in coi3centration of the to\lcant ai successive troyhic levels is known as . (1)
~inmagn~fication
(2)
Biodeterioration
(3)
Biotransformatiol~
(4)
Biogeoche~nicalcycling
Coelenterata
(2)
Porifera
(3)
Mollusca
(4)
Protozoa
The oxygen evolved during photosynthesis comes from water molecules. Which one of the followiiig pairs of elements is involved in this reaction ? (1)
Manganese and Chlorine
(2)
Manganese and Potassiuni
(3)
Magnesium and Molybdenum
The primary dentition in hunian difiers from permanent dentition i n not having one of the following type of teeth : (1)
Canine
(2) . Premola~s
(3)
Molars
(4)
Incisors
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