1.In light reaction,plastoquinone facilitate the transfer of electrons from
1)PS I to NADP+
2)PS I to ATP synthase
3)PS II to Cyt b6f complex
4)Cyt b6f complex to PS I
2. The sequence that controls the copy number of
the linked DNA in the vector, is termed
1)Palindrome sequence
B)Recognition site
C)Selectable marker
D)Ori Site
3. The specific palindromic sequence which is
recognised by EcoRI is
A)5’- CTTAAG -3’
3’ –GAATTC
-5’
B) 5’- GGATCC -3’
3’ –CCTAGG -5’
C) 5’- GAATTC -3’
3’ –CTTAAG -5’
D) 5’- GGAACC -3’
3’ -CCTTGG
-5’
4.Identify the wrong statement with reference to
immunity.
A)Active immunity is quick and give full response
B)Foetus receives some antibiotics from mother, it
is an example for passive immunity
C)When exposed to antigen (living or dead)
antibodies are produced in the host’s body. It is called “Active immunity”
D)When ready made antibodies are directly given, it
is called “Passive immunity”
5. Experimental verification of the chromosomal
theory of inheritance was done by
A)Boveri
B)Morgan
C)Mendal
D)Sutton
6.Match the following concerning essential elements
and their function in plants
a)Iron (i)Photolysis of water
b)Zinc (ii)Pollen germination
c)Boron (iii)Required for chloroplast for
chlorophyll synsthesis
d)Manganese (iv)IAA biosynthesis
Select the correct option:
(a) (b) (c) (d)
1) (iii) (iv) (ii) (i)
2) (iv) (i) (ii) (iii)
3) (ii) (i) (iv) (iii)
4) (iv) (iii) (ii) (i)
7.In gel electophoresis, separated DNA fragments can
be visualized with the help of:
A)Acetocarmine in UV radiation
B)Ethidium bromide in infrared radiation
C)Acetcarmine in bright blue light
D)Ethidium bromide in UV radiation
8.Name the enzyme that facilitates opening of DNA
helix during transcription
A)DNA polymerase
B)RNA polymerase
C)DNA ligase
D)DNA helicase
9. In which of the following techniques, the
embryos are transferred to assist those females who cannot conceive?
A)ICSI and ZIFT
B)GIFT and ICSI
C)ZIFT and IUT
D)GIFT and ZIFT
10.Identify the basic amino acid from the following
A)Lysine
B)Valine
C)Tyrosine
D)Glutamic acid
Answers:
1. 3)PS II to Cyt b6f complex
2. D)Ori Site
3. C) 5’- GAATTC -3’
3’ –CTTAAG -5’
4. A)Active immunity is quick and give full response
5. B)Morgan
6. 1) (iii) (iv) (ii) (i)
7. D)Ethidium bromide in UV radiation
8. D)DNA helicase
9. D)GIFT and ZIFT
10. A)Lysine