वनस्पति विज्ञान – Botany – Botany MCQ
वनस्पति विज्ञान – Botany – CEE प्रवेश
Botany · Medical Entrance (CEE) – Physics, Chemistry, Biology & MAT · ४०७ प्रश्न
४०७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
वनस्पति विज्ञान – Botany: 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 smallest flowering plant, a tiny floating aquatic plant, is:
सही उत्तर: क) Wolffia
Wolffia, a rootless duckweed only about 1 mm long, is the smallest flowering plant.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The largest single flower in the world is produced by:
सही उत्तर: ग) Rafflesia
Rafflesia, a total root parasite, bears flowers that can be nearly a metre across.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The gymnosperm commonly called a 'living fossil', with fan-shaped leaves, is:
सही उत्तर: क) Ginkgo biloba
Ginkgo biloba is the sole surviving species of an ancient group and has remained almost unchanged for millions of years.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The giant redwood, one of the tallest tree species in the world, is the gymnosperm:
सही उत्तर: घ) Sequoia
Sequoia (redwood) trees can exceed 100 m in height, making them among the tallest trees.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The water fern Azolla is used as a biofertiliser in rice fields because it harbours the nitrogen-fixing cyanobacterium:
सही उत्तर: ख) Anabaena
Azolla leaves contain cavities in which Anabaena azollae lives and fixes atmospheric nitrogen.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In mosses, the creeping, green, branched filamentous stage that develops directly from a germinating spore is the:
सही उत्तर: ग) protonema
The moss spore germinates into a protonema, on which buds develop into the leafy gametophores; the prothallus is the gametophyte of ferns.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The sporophyte of a moss such as Funaria is differentiated into:
सही उत्तर: ख) foot, seta and capsule
The moss sporophyte, attached to the gametophyte, has a foot, a stalk (seta) and a capsule in which spores are formed by meiosis.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The unicellular green alga that is rich in protein and used as a food supplement, even by space travellers, is:
सही उत्तर: ग) Chlorella
Chlorella (and the cyanobacterium Spirulina) are protein-rich and used as food supplements.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The characteristic olive-green to brown colour of brown algae (Phaeophyceae) is due to the pigment:
सही उत्तर: ख) fucoxanthin
Brown algae contain chlorophyll a and c, carotenoids and the xanthophyll fucoxanthin, which gives them their brown shade.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The stored food of red algae (Rhodophyceae) is:
सही उत्तर: ग) floridean starch
Red algae store floridean starch, which is very similar to amylopectin and glycogen; laminarin and mannitol are reserves of brown algae.
💬 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।