Download App

Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYSexual Reproduction in Flowering Plants3 Marks
Question
Differentiate between perisperm and endosperm by giving one example of each.
✓

Answer

S. No.
Perisperm
Endosperm
(i)
It is persistent nuclleus.
It is the nutritive tissue for embryo.
(ii)
It is diploid.
It is triploid.
(iii)
Example: Black pepper, Beet
Example: Maize, Rice, Wheat, Castor.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions in detail." from Sexual Reproduction in Flowering Plants→Sexual Reproduction in Flowering Plants — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

  1. Identify the polarity of strand in the diagram from a to a', and mention how many more amino acids can be expected to be added to this polypeptide chain.
  2. Mention the DNA sequence coding for serine and the anticodon of tRNA for the same amino acid.
  3. Why are some untranslated sequence of bases seen in mRNA coding for a polypeptide?
Where exactly are they present on mRNA?
→
(i) What is hematocrit?
(ii) Mention the term with respect to -
(a) Temporary increase in number of WBCs
(b) Decrease in number of RBCs
→
Explain water pollination in detail with its types.
→
DNA separated from one cell, when introduced into another cell is able to bestow some of the properties of former to the latter. What is this change called in technical terms? Describe the experimental evidences which led to the discovery of the above phenomenon.
→
Two types of aquatic organisms in a lake show specific growth patterns as shown below, in brief period of time. The lake is adjacent to an agricultural land extensively supplied with fertilisers.

Answer the questions based on the facts given above:
  1. Name the organisms depicting the patterns A and B.
  2. State the reason for the growth pattern seen in
  3. Write the effects of the growth patterns seen above.
→
Define spermiogenesis. Where does it occur?
→
What is the role of papillary muscles and chordae tendinae in human heart?
→
Mention any two measures for prevention and control of alcohol and drug abuse among adolescents.
→
Name the enzyme produced by Streptococcus bacterium. Explain its importance in medical sciences.
→
Why are the conventional methods not suitable for the assessment of biodiversity of bacteria?
→