Test: NEET 2013 Biology Past Year Paper - 2 - NEET MCQ

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D – Lower end of lungs – diaphragm pulls it down during inspiration

A – trachea - long tube supported by complete cartilaginous rings for conducting inspired air

B – pleural membrane - surround ribs on both sides to provide cushion against rubbing

C - Alveoli - thin walled vascular bag like structures for exchange of gases

A-Receptor; C-Synaptic vesicles

B-Synaptic connection;  D−K+

A-Neurotransmitter; B-Synaptic cleft

C-Neurotransmitter; D−Ca⁺⁺

A - retina - contains photoreceptors -rods and cones

B-blind spot- has only a few rods and cones

C - aqueous chamber - reflects the light which does not pass through the lens

D - choroiditis anterior part forms ciliary body

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Progesterone

FSH

OxY

Vasopressin 

abortion by taking an appropriate medicine

by abstaining from coitus  from day 10 to day 17 of the menstrual cycle

by having coitus at the time of day break

by a premature ejaculation during coitus.

Incomplete dominance

co-dominance 

Inheritance of one gene

Law of dominance

the absence of myofibrils in the central portion of A-band

the central gap between myosin filaments in the A-band

the central gap between actin filaments extending through myosin filaments in the A-band

extension of myosin filaments in the central portion of the A-band

Transfer of sperms of husband to a test tube containing ova

Artificial introduction of sperms of a healthy donor into the vagina

Introduction of sperms of healthy donor directly into the ovary

Transfer of sperms of a healthy donor to a testtube containing ova