Biology
Cell structure And Function
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#49 Cell organelles involved in photorespiration are
A) Lysosomes
B) Glyoxisomes
C) Peroxisomes
D) Mitochondria
#50 Glyoxisomes are more abundant in seeds rich in
A) Lipids
B) Proteins
C) Carbohydrates
D) Glucose
#51 A botanist who proposed the cell-theory was:
A) Schlelden
B) Schwann
C) Robert Hook
D) Robert Brown
#52 In order to see various aspects of specimen a three dimensional image of the object can be produced using:
A) Compound microscope
B) Dark-field microscope
C) Transmission electron microscope
D) Scanning electron microscope
#53 The tissue culture method occur in the following sequence:
A) Sterilization → media preparation → inoculation → callus development → plantlets
B) Media preparation → sterilization → inoculation → callus development → plantlets
C) Media preparation → inoculation → sterilization → callus development → plantlets
D) Inoculation → sterilization → media preparation → callus development → plantlets
#54 Proper arrangement of layers in plant cell from inside to outwards is:
A) Primary wall – Secondary wall – middle lamella
B) Secondary wall – Primary wall – middle lamella
C) Primary wall – Middle lamella – Secondary wall
D) Secondary wall – Middle lamella – Primary wall
#55 Polysaccharide cellulose is the building material of:
A) Primary cell-wall
B) Secondary cell-wall
C) Middle lamella
D) Plasma membrane
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