STD 11 - 14. Breathing and exchange in gases — NEET STD 11 Science — Question

On an average, ______ ml of blood is filtered by the kidneys per minute which constitute roughly ______ of the blood pumped out by each ventricle of the heart in a minute.

Assertion: Evolution is not a direct process in the sense of determinism.
Reason: It is a stochastic process based on chance events in nature and chance mutation in the organisms.

Amoebiasis is prevented by

Agricultural chemicals include

Which of the following gland grows to the maximum size at puberty and then diminishes gradually?

Pseudocoelom is not found in

Crossing over in diploid organism is responsible for

Hypothalamus is a part of brain but also secrete some hormones. Which of the following characters are correct for hypothalamus ?
(i) These hormones regulate the synthesis and secretion of pituitary hormones.
(ii) The hormones produced by hypothalamus are of two types, the releasing hormones and the inhibiting hormones.
(iii) Gonadotropin releasing hormone (GnRH) is a releasing hormone.
(iv) Somatostatin is a releasing hormone.
(v) Hormones of hypothalamus reach the anterior pituitary gland through a portal circulatory system.
(vi) The posterior pituitary is under the direct neural regulation of the hypothalamus.

Azolla is used as a biofertilizer because it