STD 12 - 8. microbes in human welfare — NEET STD 11 Science — Question

In forming the theory of evolution by natural selection, Darwin was greatly influenced by

Rate of breating is controlled by

A molecule that elicits an immune response is called

Which is correct for level of organization?

Which one of the following statements are correct ?
(i) ACTH stimulates the synthesis and secretion of steriod hormones called glucocorticoids from adrenal cortex.
(ii) The gonadotrophins release by pituitary gland are LH & FSH.
(iii) Prolactin regulates the growth of mammary gland and formation of milk whereas oxytocin stimulates milk ejection from them.
(iv) Vasopressin is also known as anti-diuretic hormone.
(v) The pineal gland is located on ventral side of forebrain and secretes melatonin hormone.
(vi) The two lobes of thyroid gland are interconnected with a thick flap of connective tissue called isthmus.
(vii) Deficiency of iodine in our diet results in hypothyroidism thyroidism and enlargement of the thyroid gland is called goitre.
(viii) Hyperthyroidism during pregnancy causes defective development and maturation of the growing baby leading to stunted growth called cretinism.
(ix) Hormones of thyroid gland play an important role in the regulation of the basal metabolic rate.
(x) Thyroid glands secretes a steroid hormone called thyrocalcitonin, which regulates the blood calcium levels.
Choose the correct option given below :-

The phenomenon of using a predator for controlling a pest is

Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?