Classification of Animals — BIOLOGY STD 6 — Question

State the difference between Nucleus and nucleolus

Differentiate between
Insects and crustaceans

Fill in the blank in the following table:

Vitamin	Name of the deficiency diseases	Source of vitamin	Function of vitamin
Vitamin A	__________	__________	__________
__________	Beri-beri	__________	__________
Ascorbic Acid	__________	__________	__________
__________	Rickets (in childhood) bones turn soft	__________	__________

What steps would you take to prevent and control diseases?

Name the following:
(i) A plant with no leaf
(ii) A plant with variegated leaf
(iii) A plant in which leaves are reduced to spines.
(iv) Two plants in which leaves are modified into tendrils.
(v) Three plants are having reticulate venation in the leaves.
(vi) Three plants having parallel venation in the leaves.

Differentiate between :
cross pollination and self pollination

Describe the functions : White blood cells

What steps would you take to prevent and control diseases ?

Differentiate between :
Epigeal germination and Hypogeal germination

In the spaces provided below, draw labelled diagrams to show the three stages in the germination of any seed you have observed.