Moulting hormone is secreted by
corpora cardiacum
prothoracic gland
corpora allata
neurosecretory hormone
Blood calcium level can be increased by the administration of
glucagon
thyroxine
parathormone
caleitonin
Gonadotropin releasing hormone is transferred to anterior pituitary by
left coronary artery
hypophysial portal veins
axons of neurosecretory cells
nuclei of hypothalamus
When kidney of a person is damaged, he/she invariably suffers from anaemia because
RBCs pass through the glomerulus
sufficient erythropoietin is not produced
haemoglobin is not synthesised sufficiently
iron and vitamin B12 are not able to bind to haemoglobin
Which one of the following is not derived from plants
Opioids
Cocaine
DDT
Cannabinoid
C.
DDT
DDT (Dichloro diphenyl trichloroethane) is a colourless, crystalline, tasteless and almost odourless organochloride known for its insecticidal properties. DDT is not derived from any plant rather it is prepared by the chemical reactions of some chemical compounds.
Opioids (opiates) are the analgesic drugs that are derived from latex of unripe fruits of poppy plant, Papaver somniferum. Similarly, cocaine and cannabinoids are the drugs derived from Erythroxylon coca (Coca plant) and Cannabis sativa (Hemp plant) respectively
Assertion: ADH and RAAS work in response to low blood volume and blood pressure.
Reason: ANF works in response to high blood volume and blood pressure.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Select the correct statement about hormones and their actions.
Parathyroid hormone increases K absorption of the body.
Insulin and glucagon helps to maintain blood sugar levels.
Old aged people have weak immunity due to increased activity of thymus.
Osteoporosis in women occurs due to increased levels of oestrogens.
Match the source gland with its respective hormone and function and select the correct option.
Source gland | Hormone | Function |
Anterior pituitary | Oxytocin | Contraction of uterine muscle |
Source gland | Hormone | Function |
Anterior pituitary | Vasopressin | Induces reabsorption of water in nephron |
Source gland | Hormone | Function |
Thymus | Thymosin | Proliferation of T- lymphocytes |
Source gland | Hormone | Function |
- cells of islets of Langerhans | Glucagon | Uptake of glucose into the cell |