Environmental Scienc ...

Q1.

State True (T) or false (F).

a.

b.

c.

d.

e.

     f.

The scientific study of plants is known as botany. ___________

Water lily has aerial roots. _________

Shoot is the underground part of the plants body and grows towards the force of gravity. ___________

Stem supports the upper parts of plants._______

Petals and the flowers smell attract insects and bees to pollinate the flower. ___________

Leaves are modified as spines in ____________ for protection.

Q2.

Fill in the blanks.

a.

b.

c.

d.

     e.

     f.

The ________ is based in the center of the flower and is consists of three parts: the stigma, style, and ovary.

_______________ are the most attractive part of a plant.

_____________ are spring like structure that is coiled spirally.

The flat surface of the leaf is called leaf_______________________.

Leaves are attached to the stem at regions called _________________.

________________ consists of a dense mass of slender roots that arise from the stem.

Q3.

Match the following.

Tap roots

These fibrous roots remain aerial, i.e. they do not enter the soil.

Aerial roots

It consists of one main root growing downwards from which lateral roots develop.

Runners

Tiny opening on the surface of the leaves.

Stomata

Stems that grow in a creeping fashion horizontally above the surface of the soil.

Answer the following:

What is Vegetative propagation?

___________________________________________________________

___________________________________________________________

Explain dispersal of seed by wind and water.

___________________________________________________________

___________________________________________________________

___________________________________________________________

What is pollination?

___________________________________________________________

___________________________________________________________

Write about the following:

Petals ___________________________________________________

___________________________________________________________

Sepals _____________________________________________________

___________________________________________________________

Tendrils ____________________________________________________

___________________________________________________________

Aerial roots _________________________________________________

___________________________________________________________