B:-Kinetochore
C-Centromere
D:Chromomere
Correct Answer: Option-C
Question37:-During crossing over Chiasma formation takes place during
‘AcPachytene stage
B:-Leptotene stage
Ce-Zygotene stage
D:-Diplotene stage
Correct Answer:- ೦೧000
Question38::Which evolutionary theory explains about the “use and disuse theory" ?
‘Ac Darwinism
B:-Weismann’s Germplasm theory
C-Mutation theory
D:-Lamarck’s theory
Correct Answer:- Option-D
‘Question39:-Exudation of the water from plants in the form of liquid is known as
‘AcTranspiration
B:-Evaporation
CGuttation
D-None of the above
Correct Answer: Option-C
Question40:-Free living aerobic nitrogen fixing bacteria is
‘Ac Rhodospirillum
B:-Oscillatoria
Clostridium
D-Chlorobium
Correct Answer:- Option-D
Question4::Which of the following statements are related with glomerular filtrate ?
i) Glomerular filtrate contains all the constituents of blood
1) Glomerular filtrate contains all the constituents of blood except for the large plasma proteins and the blood cells
ii) Glomerular filtrate contains all the constituents of blood except for the blood cells
iv) Glomerular filtrate is totaly different from the constituents of blood
‘AcBoth i and ii
B:-Both ॥ and il
‏رادم‎
‎D-Only i
Correct Answer:- Option-D
Question42:-Sarcomere is the portion of myofibril that lies between
‘cH and A band
B-H and | band
സ്സ successive 2 dises
DA and | band
Correct Answer: Option-C
Question43:-How many enzymes are transcribed by the structural genes of lac operon ?
Acfive
B: Three
ധം
D:Four
Correct Answer: Option ®
Question4a:-The inactive precursors of enzymes are called as

AcAllosteric enzymes