01. Which of the following is not an attribute of a population?
A) Sex ratio
B) Natality
C) Mortality
D) Species interaction
02. The process of growth is maximum during
A) Log phase
B) Lag phase
C) Senescence
D) Dormancy
03. The roots that originate from the base of the
stem are
A) Fibrous roots
B) Primary roots
C) Prop roots
D) Lateral roots
04. Match the following
(a) Typhoid - (i) Wuchereria
(b) Pneumonia - (ii) Plasmodium
(c) Filariasis - (iii)Salmonella
(d) Malaria - (iv) Haemophilus
A) 1 3 2 4
B) 3 4 1 2
C) 2 1 3 4
D) 4 1 2 3
05. In which of the following techniques, the embryos are transferred
to assist those females who cannot conceive?
A) ZIFT and IUT
B) GIFT and ZIFT
C) ICSI and ZIFT
D) GIFT and ICSI
06. Identify the wrong statement with reference to the gene ‘I’ that
controls ABO blood groups.
A) The gene (I) has three alleles.
B) A person will have only two of the three
alleles.
C) When IA and IB are present together, they
express same type of sugar.
D) Allele ‘i’ does not produce any sugar.
07. Choose the correct pair from the following
A) Ligases - Join the two DNAmolecules
B) Polymerases - Break the DNA intofragments
C) Nucleases - Separate the twostrands of DNA
D) Exonucleases - Make cuts at
specificpositions within DNA
08. Select the correct match
A) Haemophilia –
Y linked
B) Phenylketonuria – Autosomal dominant trait
C) Sickle cell anaemia – Autosomal recessive trait,
chromosome-11
D) Thalassemia – X linked
09. Match the following
(a) Gregarious, -
(i) Asterias polyphagous pest
(b) Adult with radial - (ii) Scorpion symmetry and larva
with bilateral
symmetry
(c) Book lungs -
(iii) Ctenoplana
(d) Bioluminescence - (iv) Locusta
A) (i) (iii) (ii) (iv)
B) (iv) (i) (ii) (iii)
C) (iii) (ii) (i) (iv)
D) (ii) (i) (iii) (iv)
10. The infectious stage of Plasmodium that enters the human body is
A) Trophozoites
B) Sporozoites
C) Female gametocytes
D) Male gametocytes
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