World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
What is double fertilization? Write its significance.
Question
Easy
Timing Icon

Solving time: 2 mins

What is double fertilization? Write its significance.

Views

Views: 5,602 students

tutor 0tutor 1tutor 2
Found 2 tutors discussing this question
Isabella Discussed
What is double fertilization? Write its significance.
6 mins ago
Discuss this question LIVE
6 mins ago

Text SolutionText solutionverified iconVerified

. Double fertilization is the process of fusion of one male game with the egg nucleus and another male gamete with the polar nuclei or secondary nucleus. As there is triple fusion and fertilization at the same time hence, called as double fertilization e.g., anglospermic plants.
. Significance: The triploid nucleus Cendosperm nucleus developed to form an endosperm which provides nourishment to the developing improve resulting in the formation of healthy seed and plant.
Was this solution helpful?
126
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice more questions from Sexual Reproduction in Flowering Plants

Question 1
Easy
Views

Views: 5,608

A stamen consists of two parts namely
  1. Anther and style
  2. Anther and filament
  3. Stigma and style
  4. Filament and style
Topic

Topic:

Sexual Reproduction in Flowering Plants

View solution

Question 2
Easy
Views

Views: 5,652

Proteinaceous endosperm of maize is called
  1. Apophysis
  2. Scutellum
  3. Aleurone layer
  4. None of the above
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Biology-for-NEET-Volume-2-Class-XII

View 2 solutions

Question 3
Easy
Views

Views: 5,307

Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is
  1. orthotropous
  2. anatropous
  3. campylotropous
  4. amphitropous.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

View 5 solutions

Question 4
Medium
Views

Views: 5,490

Assertion (A) The three cells of the egg apparatus are arranged in a triangular fashion. Reason (R) The degenerating synergid forms the seat for pollen tube discharge in the embryo sac.
  1. Both and are true and is the correct explanation of
  2. Both and are true, but is not the correct explanation of
  3. A is true, but is false
  4. is false, but is true
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

CBSE New Pattern Biology Class 12 for 2021-22 Exam MCQs based book for Term 1

View solution

View more
filo Logo

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,213

A B C A-Name vessel"ring"at A B-Name vessel C-Name vessel
Topic

Topic:

Biology

View solution

Question 2
Views

Views: 5,380

The allele b gives Drosophila flies a black body,and b+ gives brown,the wild-type phenotype. The allele wx of a separate gene gives waxy wings,and the wx+ gives nonwaxy,the wild-type phenotype The allele cn of a third gene gives cinnabar eyes, and cn+ gives red, the wild-type phenotype. All wild-type alleles are dominant.A wild-type female heterozygous for these three genes is testcrossed (crossed to a homozygous black,waxy,cinnabar male,and 1000 progeny are classified as follows (if phenotype isn't stated,assume it is wild-type): phenotype number of offspring cinnabar 381 black,waxy 379 waxy,cinnabar 72 black 68 waxy 47 black,cinnabar 43 black,waxy,cinnabar wild type 5 Are the following statements true or false? a one of the parents of the heterozygous female was pure breeding wild type for all three genes b the three genes are linked c the eye color gene and wing gene are 25 m.u.apart d the body color gene and the eye color gene are l0 m.u apart e) the eye color gene is in the middle
Topic

Topic:

Biology

View solution

Question 3
Views

Views: 5,745

Zidovudine (AZT) is a drug used to treat patients with AIDS (see Chapter 9). AZT works by blocking the reverse-transcriptase enzyme used by the human immunodeficiency virus (HIV), the causative agentof AIDS. Do you expect that AZT would have any effect on transposable elements? If so, what type of transposable elements would be affected, and what would be the most likely effect?
Topic

Topic:

Biology

View solution

Question 4
Views

Views: 5,789

Assertion: Angiotensin II increases the glomerular blood pressure thereby GFR.
Reason: Angiotensin II activates the JG cells to release renin. a. If both assertion and reason are true and reason is the correct explanation of assertion b. if both assertion and reason are true but reason is not the correct explanation of assertion. c. if assertion is true but reason is false d. if both assertion and reason are false.
Topic

Topic:

Human Physiology

View solution

View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Biology tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Related books for questions on Sexual Reproduction in Flowering Plants

next icon
next icon
Question Text
What is double fertilization? Write its significance.
TopicSexual Reproduction in Flowering Plants
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes126