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NEET Biology Solved Question Paper 2010

Multiple Choice Questions

Acromegaly is due to hypersecretion of

insulin
thyroxine
growth hormone
None of these

Fifth cranial nerve of frog is called

vagus
trigeminal
optic
ophthalmic

Which of the following is made up of a single bone in mammals?

Dentary
Hyoid
Upper jaw
All of these

If frog's brain is crushed, even then its leg moves on pinpointing. It is called

simple reflex
conditional reflex
neurotransmitter function
autonomic nerve condition

Gemmule formation in sponges are useful in

asexual reproduction
sexual reproduction
parthenogenesis
parthenocarpy

Which of the following is not a mental disorder?

Epilepsy
Neurosis
Psychosis
Plague

Brunner's glands are present in

duodenum
oesophagus
ileum
stomach

Sella turcica is found

near pituitary
in bones
in joints
near thyroid

9.
Spindle fibres of mitotic cell are made up of

tubulin

actin

myosin

collagen

tubulin

Spindle fibres are formed during cell division. These are made up of tubulin. Each tubulin molecule is made up of a. and B sub-units. Tubulin molecules are attached heat to tail and form a strand and 13 strands aggregate to form a microtubule. These microtubules are attached to kinetochores of. metaphase chromosomes and play an important role in the movement of chromosomes during subsequent stages of cell division.