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Question
Bisexual : Hibiscus : : Unisexual : ___________
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Solution
Bisexual : Hibiscus : : Unisexual : Papaya
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RELATED QUESTIONS
A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:
I. Tegmen
II. Testa
III. Cotyledon
IV. Radicle
V. Plumule
The correctly identified parts among these are
(A) I, II and III
(B) II, III and IV
(C) III, IV and V
(D) I, III, IV and V
Name the parts A, B and C shown in the following diagram and state one function of each.
Name and differentiate between the two modes of pollination in flowering plants.
Give one example of a unisexual flower.
Mention the changes a flower undergoes after fertilisation.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
State the function of flowers in the flowering plants.
A flower may have either male or female reproductive parts. Such a flower is called ______.
Explain what you understand by sexual reproduction.
What is the name of female part of a flower?
What is made in ovary of a flower?
Explain the term 'fertilisation'.
Name the part of a seed which grows into root.
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Fill in the blank:
Seeds are formed from________.
What are the male and female gametes in a flowering plant?
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
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What is phototropism?
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Find an odd one out.
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
Give scientific reason.
Fertilization in plants is called double fertilization.
In which part of the flower germination of pollen grains takes place?
Which of the following are the chemical components of the wall of pollen tube?
Flowers showing ornithophily show few characteristic like ______.
Pollen grains are produced by ______
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Double fertilization is essential for formation of ______.
Double fertilization means ______.
What is the structural unit of sexual reproduction in plant?
The pollen tube usually enters the embryo sac ______.
