Which of the following is not an attribute of apopulation ?
(1) Sex ratio
(2) Natality
(3) Mortality
(4) Species interaction

The process of growth is maximum during :
(1) Log phase
(2) Lag phase
(3) Senescence
(4) Dormancy

The roots that originate from the base of the stem
are :
(1) Fibrous roots
(2) Primary roots
(3) Prop roots
(4) Lateral roots

Match the following diseases with the causative
organism and select the correct option.

Column - I	Column - II
-(a) Typhoid	(i) Wuchereria
(b) Pneumonia	(ii) Plasmodium
(c) Filariasis	(iii) Salmonella
(d) Malaria (iv)	Haemophilus

-(a) (b) (c) (d)
(1) (i) (iii) (ii) (iv)
(2) (iii) (iv) (i) (ii)
(3) (ii) (i) (iii) (iv)
(4) (iv) (i) (ii) (iii)

In which of the following techniques, the embryos
are transferred to assist those females who cannot
conceive ?
(1) ZIFT and IUT
(2) GIFT and ZIFT
(3) ICSI and ZIFT
(4) GIFT and ICSI

Identify the wrong statement with reference to
the gene ‘I’ that controls ABO blood groups.
(1) The gene (I) has three alleles.
(2) A person will have only two of the three
alleles.
(3) When IA and IB are present together, they
express same type of sugar.
(4) Allele ‘i’ does not produce any sugar.

Choose the correct pair from the following :
(1) Ligases - Join the two DNA
molecules
(2) Polymerases - Break the DNA into
fragments
(3) Nucleases - Separate the two strands
of DNA
(4) Exonucleases - Make cuts at specific
positions within DNA

Select the correct match.
(1) Haemophilia - Y linked
(2) Phenylketonuria - Autosomal
dominant trait
(3) Sickle cell anaemia - Autosomal
recessive trait,
chromosome-11
(4) Thalassemia - X linked

Match the following columns and select the
correct option.
Column - I Column - II
-(a) Gregarious, polyphagous (i) Asterias
pest
(b) Adult with radial (ii) Scorpion
symmetry and larva
with bilateral symmetry
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
-(a) (b) (c) (d)
(1) (i) (iii) (ii) (iv)
(2) (iv) (i) (ii) (iii)
(3) (iii) (ii) (i) (iv)
(4) (ii) (i) (iii) (iv)

The infectious stage of Plasmodium that enters
the human body is :
(1) Trophozoites
(2) Sporozoites
(3) Female gametocytes
(4) Male gametocytes

Identify the substances having glycosidic bond and
peptide bond, respectively in their structure :
(1) Chitin, cholesterol
(2) Glycerol, trypsin
(3) Cellulose, lecithin
(4) Inulin, insulin

The plant parts which consist of two generations -
one within the other :
-(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male
gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule
(1) -(a) only
(2) -(a), (b) and (c)
(3) (c) and (d)
(4) -(a) and (d)

The product(s) of reaction catalyzed by nitrogenase
in root nodules of leguminous plants is/are :
(1) Ammonia alone
(2) Nitrate alone
(3) Ammonia and oxygen
(4) Ammonia and hydrogen

Cuboidal epithelium with brush border of microvilli
is found in :
(1) lining of intestine
(2) ducts of salivary glands
(3) proximal convoluted tubule of nephron
(4) eustachian tube