STD 11 - 15. Body fluids and criculations — NEET STD 11 Science — Question

Actin and myosin proteins are related with

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

Part of the kidney through which the ureter, blood vessels and nerves enters into it is

Higher phylum like echinoderms are

In human body which one of the following is anatomically correct?

The ground substance of connective tissue is basically composed of

Carbon dioxide is transported in blood in the form of

Given below are two statements :
Statement - I : Membrane-bound organelles of the endomembrane system coordinate cellular functions.
Statement - II : Mitochondria and chloroplasts are not considered a part of the endomembrane system.
In the light of the above statements, choose the mostappropriate answer from the options given below :

A population will not exist in Hardy-­Weinberg equilibrium if

Fill in the blanks and choose the correct option given below.
(i) A unique vascular connection exists between the digestive tract and liver called A system. The B carries blood from intestine to the liver before it is delivered to the systemic circulation.
(ii) The normal activities of human heart is auto regulated by specialized nodal tissue, hence the heart is called C.
(iii) Neural signal through D nerves can increase the heart beat whereas signal from E nerves can decrease it.
(iv) Adrenal medullary hormones can F the cardiac output.
(v) The normal blood pressure is G mmHg and blood pressure of H or above indicates hypertension.
(vi) In measurement of blood pressure, 120mmHg is the pressure during I phase of cardiac cycle and 80mmHg during J phase.
(vii) Coronary Artery Disease is often referred to as K.
(viii) Atherosclerosis affects the vessels that supply blood to L muscles and is caused by deposits of M ion, fat, N and fibrous tissues that makes the lumen narrower.
(ix) In angina, a symptom of O appears when not enough oxygen is reaching heart muscle.
(x) P means the state of heart when it is not pumping blood effectively enough to meet the need of body.
(xi) Heart failure is sometimes called Q because congestion of lungs is the one of the main symptoms of this disease.