Q.1
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
  • ACCUAUGCGAU
  • UCCAUAGCGUA
  • UGGTUTCGCAT
  • AGGUAUCGCAU
Q.2
Which of the following events does not occur in rough endoplasmic reticulum?
  • Cleavage of signal peptide
  • Phospholipid synthesis
  • Protein glycosylation
  • Protein folding
Q.3
All of the following are part of an operon except
  • a promoter
  • an enhancer
  • an operator
  • structural genes
Q.4
Match the columns
Column I
(Function)		 Column II
(Part of Excretory system)
a. Ultrafiltration (i) Henle's loop
b. Concentration of urinr (ii) Ureter
c. Transport of urine (iii) Urinary bladder
d. Storage of urine (iv) Malpighian corpuscle
--- (v) Proximal convoluted tubule
  • a -- iv b -- i c -- ii d -- iii
  • a -- v b -- iv c -- i d -- ii
  • a -- v b -- iv c -- i d -- iii
  • a -- iv b -- v c -- ii d -- iii
Q.5
Which of the following has proved helpful in preserving pollen as fossils?
  • Sporopollenin
  • Cellulosic intine
  • Oil content
  • Pollenkitt
Q.6
After karyogamy followed by meiosis, spores are produced exogenously in
  • Agaricus
  • Saccharomyces
  • Alternaria
  • Neurospora
Q.7
Which of the following is not an autoimmune disease?
  • Alzheimer's disease
  • Vitiligo
  • Psoriasis
  • Rheumatoid arthritis
Q.8
Which of the following terms describe human dentition?
  • Thecodont, Diphyodont, Homodont
  • Pleurodont, Diphyodont, Heterodont
  • Thecodont, Diphyodont, Heterodont
  • Pleurodont, Monophyodont, Homodont
Q.9
Plants having little or no secondary growth are
  • Cycads
  • Deciduous angiosperms
  • Grasses
  • Conifers
Q.10
Nissl bodies are mainly composed of
  • DNA and RNA
  • Proteins and lipids
  • Free ribosomes and RER
  • Nucleic acids and SER
Q.11
Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?
  • Ti plasmid
  • \(\lambda\) phage
  • pBR 322
  • Retrovirus
Q.12
Which of the following is an occupational respiratory disorder?
  • Botulism
  • Anthracis
  • Silicosis
  • Emphysema
Q.13
Match the columns
Column I Column II
a. Tricuspid valve (i) Between left atrium
and left ventricle
b. Bicuspid valve (ii) Between right
ventricle and
pulmonary artery
c. Semilunar valve (iii) Between right
atrium and right
ventricle
  • a. -- i b. -- iii c. -- ii
  • a. -- iii b. -- i c. -- ii
  • a. -- i b. -- ii c. -- iii
  • a. -- ii b. -- i c. -- iii
Q.14
Which of the following characteristics represent ‘Inheritance of blood groups’ in humans? a. Dominance b. Co-dominance c. Multiple allele d. Incomplete dominance e. Polygenic inheritance
  • a, b and c
  • a, c and e
  • b, c and e
  • b, d and e
Q.15
Which one of these animals is not a homeotherm?
  • Psittacula
  • Camelus
  • Macropus
  • Chelone
Q.16
Offsets are produced by
  • Parthenocarpy
  • Parthenogenesis
  • Mitotic divisions
  • Meiotic divisions
Q.17
All of the following are included in ‘ex-situ conservation’ except
  • Wildlife safari parks
  • Sacred groves
  • Botanical gardens
  • Seed banks
Q.18
Sweet potato is a modified
  • Stem
  • Tap root
  • Adventitious root
  • Rhizome
Q.19
Which of the following animals does not undergo metamorphosis?
  • Tunicate
  • Starfish
  • Earthworm
  • Moth
Q.20
Which of the following is an amino acid derived hormone?
  • Estradiol
  • Ecdysone
  • Epinephrine
  • Estriol
Q.21
Calcium is important in skeletal muscle contraction because it
  • Binds to troponin to remove the masking of active sites on actin for myosin.
  • Activates the myosin ATPase by binding to it.
  • Detaches the myosin head from the actin filament.
  • Prevents the formation of bonds between the myosin cross bridges and the actin filament
Q.22
Which of the following gastric cells indirectly help in erythropoiesis?
  • Goblet cells
  • Mucous cells
  • Chief cells
  • Parietal cells
Q.23
In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is
  • Genetic Engineering Appraisal Committee (GEAC)
  • Indian Council of Medical Research (ICMR)
  • Council for Scientific and Industrial Research (CSIR)
  • Research Committee on Genetic Manipulation (RCGM)
Q.24
Select the correct match
  • Matthew Meselson and F. Stahl - Pisum sativum
  • Alfred Hershey and Martha Chase - TMV
  • Alec Jeffreys - Streptococcus pneumoniae
  • Francois Jacob and Jacques Monod - Lac operon
Q.25
Stomata in grass leaf are
  • Barrel shaped
  • Kidney shaped
  • Dumb-bell shaped
  • Rectangular
Q.26
Pneumatophores occur in
  • Halophytes
  • Submerged hydrophytes
  • Carnivorous plants
  • Free-floating hydrophytes
Q.27
Which of the following elements is responsible for maintaining turgor in cells?
  • Sodium
  • Potassium
  • Magnesium
  • Calcium
Q.28
Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?
  • Hydrilla
  • Banana
  • Viola
  • Yucca
Q.29
Among the following sets of examples for divergent evolution, select the incorrect  option :
  • Eye of octopus, bat and man
  • Forelimbs of man, bat and cheetah
  • Heart of bat, man and cheetah
  • Brain of bat, man and cheetah
Q.30
A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to
  • Sharbati Sonora
  • Basmati
  • Co-667
  • Lerma Rojo
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