English
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Consider the following statement(s) In Protandrous flowers, pistil matures earlier In Protogynous flowers pistil matures earlier Herkogamy is noticed in unisexual flowers Distyly is present in Primula - Botany

Advertisements
Advertisements

Question

Consider the following statement(s)

  1. In Protandrous flowers, pistil matures earlier
  2. In Protogynous flowers, pistil matures earlier
  3. Herkogamy is noticed in unisexual flowers
  4. Distyle is present in Primula

Options

  • I and ii are correct

  • ii and iv are correct

  • ii and iii are correct

  • I and iv are correct

MCQ

Solution

ii and iv are correct

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Asexual and Sexual Reproduction in Plants - Evaluation [Page 27]

APPEARS IN

Samacheer Kalvi Biology (Botany) [English] Class 12 TN Board
Chapter 1 Asexual and Sexual Reproduction in Plants
Evaluation | Q 17 | Page 27
Samacheer Kalvi Botany [English] Class 12 TN Board
Chapter 1 Asexual and Sexual Reproduction in Plants
Evaluation | Q 18 | Page 33

RELATED QUESTIONS

Write the name of the organism that is referred to as the 'Terror of Bengal'.


Name the vegetative propagules in the following :

Agave


Give two suitable examples of vegetative propagation


Identify the correctly matched pair


What is reproduction?


Identify the correctly matched pair


Differentiate between the following:

Binary fission in amoeba and multiple fission in Plasmodium


Differentiate between the following:

Budding in yeast and budding in Hydra


In the following question, there are two statements. One is the assertion (A) and the other is reasoning (R). Mark the correct answer as

  • Assertion: Offsprings produced by asexual reproduction are genetically identical to the parent.
  • Reason: Asexual reproduction involves only mitosis and no meiosis.
    A B C D

The term clone is used to describe such ______ and ______ similar individuals.


Asexual reproduction is common among ______.


In yeast cell division results in a small cell called ______.


______ refers to the process of asexual reproduction by multiplication of genetically identical copies of individual plants.


Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because ______.


Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are ______.


A population of genetically identical individuals, obtained from asexual reproduction is ______.


In which one pair both the plants can be vegetatively propagated by leaf pieces?


What is common between vegetative reproduction and apomixis?


In ginger vegetative propagation occurs through ______.


The structure of bilobed anther consists of ______ 


Which one of the following is the correct match of the product and the producer?


During free cell formation:


Asexual reproduction involves ______


Match the organisms given in Column-’A’ with the vegetative propagules given in column ‘B’.

Col. A Col. B
i. Bryophyllum a) offset
ii. Agave b) eyes
iii. Potato c) leaf buds
iv. Water hyacinth d) bulbils

Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and atleast one feature common to both structures.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×
Our website is made possible by ad-free subscriptions or displaying online advertisements to our visitors.
If you don't like ads you can support us by buying an ad-free subscription or please consider supporting us by disabling your ad blocker. Thank you.