Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

Ask Double Fertilisation Post Fertilisation Structures And Events question free ×
  • CBSE×
  • Class 12 Science×
  • Biology×
  • Sexual Reproduction In Flowering Plants×
  • Double Fertilisation Post Fertilisation Structures And Events×
Home /Doubts and Solutions/CBSE/Class 12 Science/Biology/Sexual Reproduction In Flowering Plants/Double Fertilisation Post Fertilisation Structures And Events

Double Fertilisation Post Fertilisation Structures And Events Free Doubts and Solutions

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

I've "read" the NCERT book twice. and I have my 1st pre-board tomorrow. Should I read the whole book again? If not, how to revise for bio exam?

Asked by akshitaasia 11th December 2017, 3:52 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

explain the formation of mature embryo from embry sac?

Asked by vasturushi 2nd June 2017, 10:50 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

hello  sir  i am study in 12 class punjab board  my qestion how  to make project  file any topic   tell me now anser
 thanks

Asked by Sahiba 18th October 2015, 4:56 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

hello sir iam study in 12 class punjab board  my question  how to make priject file biology any topic  full detials 

Asked by Sahiba 18th October 2015, 1:52 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

(a) Draw a labelled longitudinal view of an albuminous seed. (b) How are seeds advantageous to flowering plants?

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

If the diploid number of chromosomes in an angiospermic plant is 16, mention the number of chromosomes in the endosperm and antipodal cell.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seeds? 

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Name the cell from which the endosperm of coconut develops. Give the characteristic features of endosperm of coconut.   

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

How will you go about increasing the population of a certain plant introduced into a new environment which neither produces seeds nor responds to vegetative propagation? 

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

 ‘Dehydration of seed increases their shelf life’—Explain. 

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Draw a vertical section of a maize grain and label (i) pericarp (ii) scutellum (iii) coleoptiIe and (iv) radicle.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Which is the triploid tissue in a fertilized ovule? How is the triploid condition achieved?

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Name the blank spaces a, b, c and d in the table given below.   Part What it represents in the plant? (i) Pericarp  a  (ii) b Cotyledon in seeds of grass family  (iii) Embryonal axis   c (iv) d Remains of nucellus in a seed.    

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Fruits generally develop from the ovary, but in few species the thalamus contributes to fruit formation. (a) Name the two categories of fruits. (b) Give one example of each.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

In the same species of Asteraceae and grasses, seeds are formed without the fusion of gametes. Mention the scientific term for such a form of reproduction.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Why is the process of fertilisation in a flowering plant referred to as double fertilisation? Explain.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

Name the common function that is performed by cotyledons and nucellus. 

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

What will be the fate of the following structures in an angiospermic plant? Ovary wall, ovule, zygote, outer integument, inner integument and primary endosperm nucleus.

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Biology - Sexual Reproduction in Flowering Plants

In the given figure of a dicot embryo, label the parts (A) and (B) and give their functions.      

Asked by Topperlearning User 11th June 2014, 4:47 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!