कृषि, पशु र वन विज्ञान B.Sc. Forestry प्रवेश तयारी
कृषि, पशु र वन विज्ञान – B.Sc. Forestry प्रवेश
B.Sc. Forestry Entrance · Agriculture, Veterinary & Forestry Entrance
२,४९३ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कृषि, पशु र वन विज्ञान 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
-
Excessive growth of algae in a lake due to run-off of nitrates and phosphates from fertilised fields is called:
सही उत्तर: ख) Eutrophication
Nutrient enrichment causes algal blooms, oxygen depletion and death of fish; this is eutrophication.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The pioneer organisms that first colonise bare rock in a xerarch succession are usually:
सही उत्तर: क) Lichens
Crustose lichens secrete acids that weather rock and form the first soil, paving the way for mosses.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Potato, tomato and brinjal belong to the family:
सही उत्तर: घ) Solanaceae
Potato (Solanum tuberosum), tomato and brinjal (Solanum melongena) are members of Solanaceae.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Special breathing roots (pneumatophores) that grow vertically upwards out of the mud are found in:
सही उत्तर: ग) Mangroves such as Rhizophora
Mangrove plants in waterlogged saline soil have negatively geotropic pneumatophores to obtain oxygen.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In the electron transport chain of aerobic respiration, the final electron acceptor is:
सही उत्तर: क) Oxygen
Electrons finally pass from cytochrome oxidase to molecular oxygen, which combines with protons to form water.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The chemiosmotic hypothesis of ATP synthesis was proposed by:
सही उत्तर: ग) Peter Mitchell
Peter Mitchell proposed that a proton gradient across membranes drives ATP synthesis, earning the 1978 Nobel Prize.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The reaction centre of photosystem I is the chlorophyll a molecule:
सही उत्तर: ख) P700
PSI has P700 at its reaction centre, absorbing light maximally at 700 nm.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Gibberellins were first discovered from a fungus causing the 'foolish seedling' (bakanae) disease in:
सही उत्तर: घ) Rice
Kurosawa found that Gibberella fujikuroi infected rice seedlings grew abnormally tall; the active substance was gibberellin.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Giant polytene chromosomes are found in the:
सही उत्तर: क) Salivary glands of Drosophila larvae
Polytene chromosomes form by repeated DNA replication without cell division in larval salivary glands of dipteran insects.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The middle lamella that cements adjacent plant cells together is mainly made of:
सही उत्तर: घ) Calcium pectate
The middle lamella is composed mainly of calcium and magnesium pectate and holds neighbouring cells together.
💬 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।