List of top Zoology Questions on Endocrinology

પિટ્યુટરી ગ્રંથિ સંબંધિત નીચેના પૈકી કયા નિવેદનો સાચા છે?
(a) તે રચનાત્મક રીતે એડેનોહાઇપોફિસિસ અને ન્યુરોહાઇપોફિસિસમાં વિભાજિત છે.
(b) તે ફોલિકલ સ્ટિમ્યુલેટિંગ હોર્મોન (FSH) સ્રાવિત કરે છે.
(c) તે મેલાનોસાઇટ સ્ટિમ્યુલેટિંગ હોર્મોન (MSH) સ્રાવિત કરે છે.
(d) તે પ્રોલેક્ટિન સ્રાવિત કરતી નથી.
નીચે આપેલ વિકલ્પોમાંથી યોગ્ય જવાબ પસંદ કરો:

नीचे दो कथन दिए गए हैं : एक को अभिकथन A और दूसरे को तर्क R के रूप में नामांकित किया गया है।
अभिकथन A : गलगण्ड (goitre) रोग में thyroid gland का enlargement होता है, क्योंकि iodine की कमी से thyroxine कम बनता है।
तर्क R : आयोडीन की कमी के कारण pituitary gland अधिक TSH स्रावित करती है।

Choose the correct sequence of events on short term endocrine response to stress:

Assertion (A): Lack of insulin or thyroid hormone increases blood cholesterol, whereas excess thyroid hormone decreases it. Reason (R): These effects are probably caused by changes in the degree of activation of specific enzymes responsible for the metabolism of lipid substances.

Hormone that stimulates the reabsorption of calcium ions by renal tubules and increases the absorption of Ca²⁺ from the gut.

In binary fission two daughter euglena develop new flagella individually

Identify the incorrect statements among the following
I. The use of amniocentesis was banned in 1970.
II. Cervical cancer was caused by Herpes Simplex Virus
III. Copper bearing IUDs, progestogen are emergency contraceptives.
IV. 3-D cross sectional picture of CAT scan is called tomogram.

The change in the frequency of a gene that occurs merely by chance and not by selection in small populations is called

Hormone that maintains the normal rhythms of the sleep-wake cycle.

Study the following and pick up the correct combinations: