STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

Pattern baldness, moustaches and beard in human males are examples of

Cortical nephrons are ...... in number to juxtamedullary nephrons

What do you mean by the term spermateleosis

Parotid glands are found in

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 :-

Which is unrelated

Branchiostoma is an example of

The term for similarity in organ structure seen in great diversity is

When a tall and red flowered individual is crossed with a dwarf and white flowered individual, phenotype in the progeny is dwarf and white. What will be the genotype of tall and red flowered individual