Which of the following is not a water pollinated plant? - Biology


Which of the following is not a water pollinated plant?


  • Zostera

  • Vallisneria

  • Hydrilla

  • Cannabis




Concept: Pollination
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With the help of a suitable example, explain protandry.

Describe the characteristic features of wind pollinated flowers.

A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds.

Answer the following questions giving reasons :

(a) What would have been the minimum number of ovules present in pre-pollinated pistil ?

(b) How many microscope mother cells would minimally be required to produce requisite number of pollen grains ?

(c) How many pollen grains must have minimally pollinated the carple ?

(d) How many male gametes would have used to produce these 200 viable seeds ?

(e) How many megaspore mother cells were required in this process ?


What is bagging technique? How is it useful in a plant breeding programme?

Enlist advantages and disadvantages of cross pollination

Add a note on pollination mechanism in Salvia.

Write two ways in which pollination may occur in plants.

Name two characteristics of flowers in which pollination occur by wind.

What is meant by pollination?

Fill in the blank:

Male sex cells in plants are called _________.

Fill in the blanks:

The two kinds of pollination are __________ and __________.

Find the odd-one out, giving reason:

Ovary, style, pollen grain, stigma

Differentiate between the following:

Self pollination and cross pollination.

Define the term Pollinating.

Can a unisexual flower be self pollinated?

State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets. 

Dahlia_______ .

Fill in the blanks with suitable words.

_______ is a water-pollinated flower.

Name of the part of the ovary which gives rise to:

Fruit ______

When maturation time of reproductive parts in a flower is different.

Give one word/term for the following:

Pollination of flowers by insects.

Give one word/term for the following:

Pollination of flowers by birds.

Describe the advantages and disadvantages of cross-pollination to the plant.

Choose the correct option of the following question:

Type of Interaction where an individual sacrifices its own welfare (life) for the benefit of another animal of its own species is:

State four features of flowers pollinated by insects.

Give four adaptations shown by flowers pollinated by wind.

Answer the following question.
Write the difference in the characteristics of the progeny produced as a result of the two processes.

Put a tick mark (✓) against the correct alternative in the following statements

Pollen is produced in the

Put a tick mark (✓) against the correct alternative in the following statements

Vegetative propagation is not observed in:

Name the two types of pollination.

What is a flower? Draw a typical flower and label its different parts.

Write different modes of pollination in detail with suitable examples.

Differentiate Between Cross Pollination and Self Pollination:

What are the adaptations which are required in cross-pollinated

Mention various adaptations for wind pollination.

Explain water pollination in detail with its types.

Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.

For which of the following attractants and rewards are required?

Autogamy can occur in a chasmogamous flower if ______.

Wind pollination is common in ______.

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by ______.

A dioecious flowering plant prevents both ______.

Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in ______.

Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.

The flower which possesses both androecium and gynoecium is called perfect or ______.

The flower which does not open at all are called ______.

Pollination refers to the

Which type of pollination does Figure 12.1 indicate?

Which one of the following may require pollinators, but is genetically similar to autogamy?

Advantage of cleistogamy is:

In which one of the following pollination is autogamous?

Correct definition of pollination is ______

The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is ______

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

What is self-incompatibility?

Consider the following statements depicting adaptation of flowers to carryout successful pollination.

  1. Stigma is long, sticky and unwettable.
  2. Sepals, petals or perianth (if present) have waxy coating.
  3. Stamens with long filament and versatile anthers.
  4. Tubular corolla is seen.
  5. Flowers are noctumal.

Which of the above statements clearly depict hydrophily?

Match the Column I with Column II.

Column I Column II
A. Pea (i) Xenogamy
B. Jawar (ii) Epihydrophily
C. Maize (iii) Anemophily
D. Vallis (iv) Bisexual
E. Cannabis (v) Geitonogamy

Pollination in water lilies is carried out by ______.

Which of the following floral adapation are adapted by hydrophilous flowers?

Mention any one example of the hydrophilous flower.

Give any four floral adaptations for chiropterophily.

What are the major abiotic factors that influence habitat?

Complete the following table:

Sr. Type of pollination Agent Kind of flower Examples
(i) ______ Wind ______ Maize
(ii) Chiropterophily ______ Dull colour, with strong fragrance, abundant nectar Adansonia
(iii) Entamophily Insects ______ Rose/Jasmine
(iv) Ornithophily ______ Brightly coloured, large and showy. They secrete profuse, dilute n ectar ______

Briefly discuss any two methods by which plants avoid self-pollination.


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