Browse by Stream
-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Resources
-
Arts, Commerce & Sciences
Exams
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Colleges & Courses
Predictors
-
Learn
Law Preparation
MBA Preparation
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- #Diversity in Living World
- #Medical
- #National Eligibility Cum Entrance Test
- #Biology
- #National Eligilibility Cum Entrance Test
- #Class 11
In which class of gymnosperms fossils are absent ?
Option: 1
Cycadopsida
Option: 2
Coniferopsida
Option: 3
Gnetopsida
Option: 4
Both 1 and 2
Answers (1)
Gnetopsida -
1-Vessels are present in secondary xylem.
2-Orthotropus ovules with long tubular micropyle.
3-Resin canals absent.
- wherein
Eg. Gnetum, Ephedra, Welwitschia
Cycadopsida - fossil williamsonia
Coniferopsida - fossil cordites
View full answer
NEET 2024 Most scoring concepts
- Just Study 32% of the NEET syllabus and Score up to 100% marks
