Health Organisations — Biology STD 10 — Question

Column 2 is a list of items related to ideas in Column 1. Match the term in Column 2 with the suitable idea given in Column 1.

Column 1	Column 2
(i) Superior vena cava	(a) Collect deoxygenated blood from the wall of the heart.
(ii) Inferior vena cava	(b) Carry oxygenated blood to heart muscle.
(iii) Pulmonary vein	(c) Collects deoxygenated blood from upper part.
(iv) Coronary veins	(d) Collects deoxygenated blood from lower parts.
(v) Coronary artery	(e) Brings oxygenated blood from lungs.
(vi) Aorta	(f) Large artery
(vii) Heart attack	(g) Large vein
(viii) Blood Pressure	(h) Oxygenated blood
(ix) Tricuspid valve	(i) Sphygmomanometer
(x) Bicuspid valve	(j) Allows blood flow from right auricle to right ventricle.
(xi) Contraction and relaxation of heart	(k) Blocking of coronary arteries.
	(l) Cardiac muscle.
	(m) Allows blood flow from left auricle to left ventricle.
	(n) Allows blood flow from right ventricle of pulmonary aorta.

Evaporation is different from transpiration as the former

Choose the correct order:

If a person has a heart attack, what must be done immediately?
P. Loosen his/her clothing
Q. Make him/her lie down in an airy room
R. Rush him/her to the hospital
S. Engage him/her in a conversation

The chief function of lymph nodes in mammals is to:

Birth rate is the number of live births per thousand persons in

Assertion (A): The presence of vestigial structures in humans supports the theory of evolution.
Reason (R): Vestigial structures are remnants of organs or structures that had a function in ancestors,

Which one of the following pairs is not correctly matched?

Complete the following sentence with appropriate Word The photoreceptor cells of the retina sensitive to colour are:

Which statement is true for both chromosomes and genes?