UrbanPro

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

What are differences between Gymnosperm & Pteridophytes?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

✔✔ASQ Lean Six sigma black belt , Lead auditor ISO 9001 +14001+45001+27001+31000

1. In gymnosperms, roots are usually tap roots. 2. Majority of them show xerophytic characters. 3. In gymnosperms, cambium is present and the secondary wood is common. 4. Neck canal cells and sometimes venter canal cell are absent in the archegonia,making the latter a small-sized body. 5....
read more
1. In gymnosperms, roots are usually tap roots. 2. Majority of them show xerophytic characters. 3. In gymnosperms, cambium is present and the secondary wood is common. 4. Neck canal cells and sometimes venter canal cell are absent in the archegonia,making the latter a small-sized body. 5. In gymnosperms, microspores or pollen grains are shed only for a small period, whereas the megaspore is retained permanently within the mega sporangium. 6. Due to the permanent retention of the megaspore in the ovule, it forms the seeds. 1. In pteridophytes, roots are usually adventitious in nature 2. Most of them are hydrophytes, i.e. grow in shady humid places 3. In pteridophytes, ambium is absent, in pteridophytes and the primary growth is seen in most of the pteridophytes. 4. Neck canal cells and venter canal cells are present in the archegonia. 5. In pteridophytes, microspores and megaspores develop independently after being shed from their respective sporangia. 6. In pteridophytes, seed formation is absent. Seed-like structures, however, are formed in some genera (e.g. Lepidodendron, Miadesmia). 7. In pteridophytes, pollen tubes are not formed. read less
Comments

Related Questions

Distinguish between poikilothermous and homoiothermous organisms.
Homeotherms are animals that have a constant body temperature. Poikilotherms are animals whose body temperature adjusts depending on the environment.
Ashish
0 0
6

What is the main difference and properties of cellulodic and non cellulosic cell wall? What is the meaning of cellulose in this?

The cellulosic cell wall is made up of main cellulose along with hemicellulose and pectin. This kind of cell wall is mostly found in some protest, and all plants whereas non-cellulosic cell wall do not...
Jay

What is plasmolysis and deplasmolysis?

Plasmolysis is the process of water leaving plant cells, allowing the cytoplasm and plasma membrane to shrink away from the cell wall. This causes plants to wilt. Indeplasmolysis, water from the outside...
Bhawana
0 0
9
Distinguish between diploblastic & triploblastic animals.
Diploblastic; body derived from two cell layer (endoderm&ectoderm)and triploblastic ;body derived from complete three embryonic cell layers i,e. Ectoderm,mesoderm,endoderm.
Ashish
0 0
8

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Biology - Cell Introduction

Harshavardhan Kanakala

0 0
0


Biology tips for PMT
Students focus on NCERT only ... It will make you get 300+marks in biology only .. Read each n every single line from NCERT n try to make questions .. it will help you to memorize things better.. solve...
S

What is the Molecular Basis of Cancer?
All genes whose epigenetic and genetic changes contribute to the causation of cancer is described as cancer-critical genes. These genes may be involved in the following processes- 1. Cell cycle progression...

Biotechnology
Hi, We all know that only GOD possesses the power of creation, maintenance, and destruction but do you know that there is an enzyme which possesses power similar to GOD (i.e. creation, maintenance, and...

Recommended Articles

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more