न्यूक्लियोसाइड में होता है
Anonymous Quiz
33%
बेस + शर्करा
0%
बेस + फॉस्फेट
67%
शर्करा + फॉस्फट
0%
बेस + शर्करा + फॉस्फेट
पेप्टाइड बॉन्ड पाए जाते हैं
Anonymous Quiz
50%
प्रोटीन में
17%
लिपिड में
17%
कार्बोहाइड्रेट में
17%
न्यूक्लिक एसिड में
🔥Another rising star from Photon Foundation 💫
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💬 "कठिन मंज़िल का आसान रास्ता Photon से शुरू होता है..."
📍 Attri Tower, Sonipat Road, Sheela Bypass, Rohtak
📞 93063-02330 | 99962-34646 | 85000-07293
#PhotonFoundation #NEET2025 #NEETResult #PreetSuccess #FutureDoctor #RohtakCoaching #SuccessJourney #MedicalAspirant #PhotonAchiever #NEETMotivation
🚨In genetic engineering, a chimera is
Anonymous Quiz
100%
an enzyme that links DNA molecules
0%
a plasmid that contains foreign DNA
0%
a virus that infects bacteria
0%
a fungi
🚨What is the normal role of restriction endonucleases in bacterial cells?
Anonymous Quiz
100%
To degrade the bacterial chromosome into small pieces during replication
0%
To degrade invading phage DNA
0%
To produce RNA primers for replication
0%
All of the above
🍄Which of the following structures is responsible for the production of spores in pteridophytes?
Anonymous Quiz
0%
Archegonium
100%
Antheridium
0%
Sporangium
0%
Protonema
🍄Which of the following is unique to pteridophytes and distinguishes them from bryophytes?
Anonymous Quiz
0%
Dominant gametophyte generation
0%
Presence of vascular tissues
0%
Production of spores
0%
Lack of seeds
🍄 In ferns, the structure that anchors the gametophyte to the soil and absorbs nutrients is called:
Anonymous Quiz
0%
Root
0%
Rhizoid
100%
Stipe
0%
Frond
🍄Which pteridophyte is known for its association with nitrogen-fixing cyanobacteria?
Anonymous Quiz
0%
Lycopodium
0%
Selaginella
0%
Equisetum
0%
Azolla
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🍄Which of the following is not a characteristic feature of pteridophytes?
Anonymous Quiz
0%
Presence of true roots, stems, and leaves
0%
Vascular tissues
0%
Seed formation
0%
Spore production
🧱In the evolutionary history of plants, gymnosperms first appeared in which geological period?
Anonymous Quiz
0%
Silurian
0%
Devonian
0%
Carboniferous
0%
Permian
🧱The polyembryony observed in gymnosperms like Pinus is due to:
Anonymous Quiz
100%
Multiple fertilization events
0%
Development of several embryos from a single fertilized egg
0%
Formation of multiple archegonia
0%
Apomixis
🧱The seed coat in gymnosperms is derived from:
Anonymous Quiz
0%
Ovary wall
0%
Integuments of the ovule
0%
Nucellus
0%
Endosperm
🧱Which gymnosperm exhibits double fertilization, a trait typically found in angiosperms?
Anonymous Quiz
0%
Pinus
0%
Cycas
0%
Gnetum
0%
Ephedra
🧱Which gymnosperm is known for having large, motile sperm cells?
Anonymous Quiz
0%
Pinus
0%
Cycas
0%
Gnetum
0%
Ephedra