जीव विज्ञान – Biology MCQ
जीव विज्ञान – कृषि/वन प्रवेश
Biology · Agriculture, Veterinary & Forestry Entrance · ८४० प्रश्न
८४० प्रश्न उपलब्ध। मोड छान्नुहोस्:
जीव विज्ञान: 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 white 'meat' and the water of a tender coconut represent the:
सही उत्तर: ग) Endosperm
Coconut water is free-nuclear liquid endosperm and the white kernel is cellular endosperm.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The edible part of the mango fruit is the:
सही उत्तर: घ) Mesocarp
Mango is a drupe whose fleshy, juicy mesocarp is eaten.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Which of the following is a modified root and not a modified stem?
सही उत्तर: क) Sweet potato
Sweet potato is a tuberous root; potato is a stem tuber, ginger a rhizome and onion a bulb.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In Opuntia, the flattened, green, fleshy structure that performs photosynthesis is a modified:
सही उत्तर: घ) Stem (phylloclade)
Opuntia has a phylloclade, a flattened green stem, while its leaves are reduced to spines.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The tendrils of the garden pea (Pisum sativum) are modifications of:
सही उत्तर: घ) Leaflets
In pea, the terminal leaflets of the compound leaf are modified into tendrils.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Louis Pasteur's swan-necked flask experiment disproved the theory of:
सही उत्तर: ख) Spontaneous generation
Pasteur showed that sterilised broth in swan-necked flasks stayed free of microbes, proving life comes from pre-existing life.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The theory that life on earth came from spores or germs from outer space is called:
सही उत्तर: ग) Panspermia
Panspermia proposes that the units of life (spores) were transferred to earth from other planets.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The age of fossils of organic origin up to about 50,000 years is commonly determined by:
सही उत्तर: क) Radiocarbon (carbon-14) dating
Carbon-14, with a half-life of about 5,730 years, is used to date organic remains up to about 50,000 years.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Balanoglossus is regarded as a connecting link between:
सही उत्तर: क) Non-chordates and chordates
Balanoglossus (a hemichordate) shows a stomochord and gill slits, linking invertebrates with chordates.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Peripatus is considered a connecting link between:
सही उत्तर: ख) Annelida and Arthropoda
Peripatus has annelid features (segmental nephridia, soft body) and arthropod features (tracheae, claws).
💬 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।