Modes of Reproduction

Name three vegetative parts of a plant.

Shekhar cut the stem of a hornwort plant into two pieces. He placed both the pieces under water. After a week, Shekhar found both the pieces growing as new plants. 

Which of these statements is true about the two new hornworts?

Shekhar cut the stem of a hornwort plant into two pieces. He placed both the pieces under water. After a week, Shekhar found both the pieces growing as new plants. 

How can Shekhar confirm the result of his activity?

Shekhar cut the stem of a hornwort plant into two pieces. He placed both the pieces under water. After a week, Shekhar found both the pieces growing as new plants. 

What can be concluded from the activity?

Why are stem cutting dipped in hormone solution before placing them in a soil?

Amit cut the stem of a hornwort plant into two pieces. He placed both the pieces under water. After a week, Shekhar found both the pieces growing as new plants. 

What can be concluded from the activity?

Analyse and predict what can be expected at each of the points A, B and C. Evaluate If this method can be useful for multiplying an onion plant or a grape plant. Give one reason to justify your choice.

Study the given table and select the correct option.

Differentiate between

Sexual Reproduction, Asexual Reproduction

Complete the web chart:

The plants mentioned below show asexual reproduction. Put them into the right category.
Bread mould, grass, turmeric, sweet potato, Spirogyra, potato, ginger, onion, Agave, yeast, Bryophyllum, fern

Solve the crossword puzzle with the help of given clues.

ACROSS

$1.$ Vegetative propagation by modified underground stem. $\left(6\right)$

$2.$ Fusion of an egg in the ovule with the male gamete. $\left(13\right)$

$3.$ Vegetative propagation by modified roots. $\left(7\right)$

$4.$ Multiply rapidly by fragmentation. $\left(5\right)$

$5.$ Concentrated solution of sugars produced in flowers. $\left(6\right)$

DOWN 
$6.$ Reproduces by budding. $\left(5\right)$

$7.$ Grows fast, moves into the soil forming the root. $\left(7\right)$

$8.$ Transfer of pollen grains from the anther of the stamen to the stigma of the pistil. $\left(11\right)$

$9.$ The technique used in producing different modified varieties of fruits and flowers. $\left(8\right)$

$10.$ Its fruit have hooks and spines on their body. $\left(8\right)$

Kunal is a gardener. He has a developed a small nursery in which he has a variety of roses. But the most beautiful is the orange roses. People often demand the plants of orange roses. Now Kunal is developing the stem-cuttings of orange rose plants. Which types of values are shown by Kunal?

Kunal is a gardener. He has a developed a small nursery in which he has a variety of roses. But the most beautiful is the orange roses. People often demand plants of orange roses. Now Kunal is developing the stem-cuttings of orange rose plants.

Will the plants from stem-cutting grow similar roses as there are in the nursery?

After reading about potato farming in tyres, Mohini started growing potatoes at home. Initially, she did not get a good crop, but she kept on trying and ultimately learnt how to grow good potatoes. She now contributes several kilograms of potatoes to her kitchen and thus helps save money. What values did Mohini show?

Give difference between the following:
Natural and artificial vegetative propagation

Distinguish between sexual and asexual reproduction.

Give differences between asexual and sexual reproduction.

A branch of blue roses is grafted on to a plant bearing red roses. Which coloured flowers will be produced in the plant after grafting?

In a bread mould (Rhizopus fungus), what name is given to :
(a) Thread-like projections?
(b) Knob-like structure at the top of thin stem?
(c) Tiny reproductive bodies?