कृषि, पशु र वन विज्ञान प्रवेश
कृषि, पशु र वन विज्ञान प्रवेश
Agriculture, Veterinary & Forestry Entrance · २,४९३ प्रश्न
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि/वन प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
-
The recurring chills and high fever in malaria coincide with the rupture of red blood cells and release of a toxic substance called:
सही उत्तर: ग) Haemozoin
When infected RBCs burst, Plasmodium releases haemozoin, which causes the characteristic chill and fever.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The Widal test is used to diagnose:
सही उत्तर: ख) Typhoid
The Widal test detects antibodies against Salmonella typhi antigens and confirms typhoid fever.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Amniocentesis is a technique used to:
सही उत्तर: क) Detect chromosomal and genetic disorders in the foetus
In amniocentesis a sample of amniotic fluid containing foetal cells is examined for chromosomal and genetic abnormalities.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Colostrum, the first milk secreted after childbirth, is especially rich in antibodies of the class:
सही उत्तर: घ) IgA
Colostrum contains abundant IgA, which gives passive immunity to the newborn's gut.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The nervous system and epidermis of a vertebrate embryo develop from the:
सही उत्तर: ग) Ectoderm
Ectoderm gives rise to the epidermis, brain, spinal cord and nerves.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
How many functional ova are produced from one primary oocyte at the end of oogenesis?
सही उत्तर: क) One
Meiosis of one primary oocyte gives one ovum and polar bodies, whereas one primary spermatocyte yields four sperms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The hormone detected in urine in a routine pregnancy test is:
सही उत्तर: घ) Human chorionic gonadotropin (hCG)
hCG is secreted by the trophoblast/placenta soon after implantation and is the basis of pregnancy tests.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Ovulation in the human menstrual cycle is triggered by a mid-cycle surge of:
सही उत्तर: ख) LH (luteinising hormone)
A sharp LH surge around day 14 causes rupture of the Graafian follicle and release of the secondary oocyte.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The acrosome of a sperm, containing enzymes for penetrating the ovum, is derived from the:
सही उत्तर: ग) Golgi apparatus
The acrosome is formed from the Golgi apparatus during spermiogenesis and contains hydrolytic enzymes such as hyaluronidase.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In the testes, FSH acts mainly on which cells to support spermatogenesis?
सही उत्तर: क) Sertoli cells
FSH acts on Sertoli cells, which nourish developing sperm and secrete factors that help spermiogenesis; LH acts on Leydig cells.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।