What is the function of adventitious roots?

1

(a)

Anchorage

(b)

Vegetative Propagation

(c)

Food Storage

(d)

Oxygen intake

What is the name of modified root in turnip?

1

(a)

Prop root

(b)

Tap root

(c)

Tubour

(d)

Pneumatophore

Which of the following shows modification of stem for food storage?

1

(a)

Carrot

(b)

Turnip

(c)

Ginger

(d)

None of these

What is the name of the whorl containing colourful parts of flower?

1

(a)

Petal

(b)

Sepal

(c)

Calyx

(d)

Corolla

Starting from periphery and going towards centre which is the correct sequence of different whorls of a flower?

1

(a)

Corolla, Calyx, Gynoecium, Androecium

(b)

Calyx, Corolla, Gynoecium, Androecium

(c)

Calyx, Corolla, Androecium, Gynoecium

(d)

Either (b) or (c).

How are the adjacent parenchyma cells are connected to each other?

1

(a)

By Plasmodesmata or cytoplasmic bridges.

What is the composition of collenchyma cells ?

1

(a)

It is made of cellulose, hemicellulose and pectic substances

How the vessel members in xylems are interconnected ?

1

(a)

The vessel members are interconnected through perforations in their end/common walls.

How do the bullifrom cells presents in the epidermis help grasses?

1

(a)

The bulliform cells presents in the epidermis of grasses help in folding of leaves during hot summer day and prevent transpiration

What are the cells that make the leaves curl in plants during  water stress?

1

(a)

Bulliform or motor cells.

How the study of anatomy is useful to us ?

1

(a)

Describe the cortex region of dicot root?

1

(a)

List out the significance of secondary growth.

1

(a)

Define phyllotaxy

1

(a)

Define epiphyllous arrangement of stamens.

1

(a)

How the arrangement of vascular bundles in monocots differs from dicots?

2

(a)

What are the charecteristic difference found in vascular tissu of gymnosperms and angiosperms?

2

(a)

While eating peach or pear, it is usually seen that some stone-like structures get entangled in the teeth. What are these stone-like structures called?

2

(a)

Justify the following statements on the basis of external features:
(i) Underground parts of a plant are not always roots.
(ii) Flower is a modified shoot.

2

(a)

What is the difference and similarity between prop root and stilt root?

2

(a)

What is the difference between a mango fruit and a coconut fruit in terms of edible part?

5

(a)

Describe the arrangement of floral members in relation to their insertion on thalamus.

5

(a)

Explain the process of secondary growth in the stems of woody angiosperms. What is its significance?

5

(a)

What are the main structures in a monocot seeds? Describe with the help of suitable diagram

5

(a)

Make a list of common fruits, their type and their edible parts.

5

(a)