SECTION - A
Choice type Questions, carrying 1 mark
Multiple 16 x 1= 16
Question Nos. 1 to 16 are
to
each.
expression of more than one trait is said
controls the
1. A single gene that
show (B) Polygenic inheritance
(A) Multiple allelism
(C) Incomplete dominance (D) Pleiotropism
1
shows
of 21st chromosome
A person with trisomy
Furrowed tongue (iü) Characteristic paim crease
(i) (iv) Gynaecomastia
(iüi) Rudimentary ovaries
choices given below :
Select the correct option, from the
(A) (ii) and (iv) (B) (), (ii) and (iv)
(C) (i) and (iüi) (D) i) and (ii)
assisted reproductive technology
Observe the schematic representation of
given below :
Egg
Injection Needle
Sperm being injected
Holding tool into the cytoplasm of the
egg using a fine needle
diagram.
Identify the most appropriate technique depicted in the above
(A) IUT (B) IUI
(C) ICSI (D) ZIFT
Interferons are proteins secreted by
(A) RBC (B) WBC
(C) Bacteria infected cell (D) Virus infected cell
5 P.T.O.
57/5/1/22
, held together
5 During biological treatment of sewage, the masses of bacteria
by fungal filaments to form mesh like structures are called
(A) primary sludge (B) flocs
(C) activated sludge (D) anaerobic sludge
observing
6. Which one of the following gtatements is correct in the context of
DNA separation by agarose gel electrophoresis ?
(A) DNAcan be seen in visible light.
(B) DNAcan be seen without staining in visible light.
(C) Ethidium bromide stained DNA can be seen in visible light
(D) Ethidium bromide stained DNA can be seen under UV light.
Aphenomenon where a male insect mistakenly identified the patterns of a
orchid flower as the female insect partner, and tries to copulate and thereby
1
pollinates the flower is said to be :
(A) Pseudocopulation (B) Pseudopollination
(C) Pseudoparthenocarpy (D) Pseudofertilisation
Identify the correct labellings in the figure of a fertilised embryo sac of an 1
angiosperm given below:
A
-B
Primary Endosperm Cell (PEC)
D
(A) A - zygote, B- degenerating synergids, C - degenerating antipodals,
D- PEN
(B) A - degenerating synergids, B - zygote, C - PEN, D- degenerating
antipodals
(C) A- degenerating antipodals, B- PEN, C- degenerating synergids,
D- zygote
(D) A - degenerating synergids, B - zygote, C - degenerating antipodais,
D- PEN
57/5/1/22 7 P.TO
Choice type Questions, carrying 1 mark
Multiple 16 x 1= 16
Question Nos. 1 to 16 are
to
each.
expression of more than one trait is said
controls the
1. A single gene that
show (B) Polygenic inheritance
(A) Multiple allelism
(C) Incomplete dominance (D) Pleiotropism
1
shows
of 21st chromosome
A person with trisomy
Furrowed tongue (iü) Characteristic paim crease
(i) (iv) Gynaecomastia
(iüi) Rudimentary ovaries
choices given below :
Select the correct option, from the
(A) (ii) and (iv) (B) (), (ii) and (iv)
(C) (i) and (iüi) (D) i) and (ii)
assisted reproductive technology
Observe the schematic representation of
given below :
Egg
Injection Needle
Sperm being injected
Holding tool into the cytoplasm of the
egg using a fine needle
diagram.
Identify the most appropriate technique depicted in the above
(A) IUT (B) IUI
(C) ICSI (D) ZIFT
Interferons are proteins secreted by
(A) RBC (B) WBC
(C) Bacteria infected cell (D) Virus infected cell
5 P.T.O.
57/5/1/22
, held together
5 During biological treatment of sewage, the masses of bacteria
by fungal filaments to form mesh like structures are called
(A) primary sludge (B) flocs
(C) activated sludge (D) anaerobic sludge
observing
6. Which one of the following gtatements is correct in the context of
DNA separation by agarose gel electrophoresis ?
(A) DNAcan be seen in visible light.
(B) DNAcan be seen without staining in visible light.
(C) Ethidium bromide stained DNA can be seen in visible light
(D) Ethidium bromide stained DNA can be seen under UV light.
Aphenomenon where a male insect mistakenly identified the patterns of a
orchid flower as the female insect partner, and tries to copulate and thereby
1
pollinates the flower is said to be :
(A) Pseudocopulation (B) Pseudopollination
(C) Pseudoparthenocarpy (D) Pseudofertilisation
Identify the correct labellings in the figure of a fertilised embryo sac of an 1
angiosperm given below:
A
-B
Primary Endosperm Cell (PEC)
D
(A) A - zygote, B- degenerating synergids, C - degenerating antipodals,
D- PEN
(B) A - degenerating synergids, B - zygote, C - PEN, D- degenerating
antipodals
(C) A- degenerating antipodals, B- PEN, C- degenerating synergids,
D- zygote
(D) A - degenerating synergids, B - zygote, C - degenerating antipodais,
D- PEN
57/5/1/22 7 P.TO
