Plant Tissues and Anatomy — Biology STD 11 Science — Question

How are neurons classified depending on the presence or absence of myelin sheath?

What are pinnately compound and palmately compound leaves? Give any two examples of each.

To demonstrate the effect of heat on the activities of inorganic catalysts and enzymes.

Why is binomial nomenclature useful for classification of organisms?

Explain how angiosperms are classified into different types based on habitat.

(heart, chondrium, peristomium, bone, perichondrium, ossein, pubic symphysis, cartilage, lacunae, chondrocytes)
_______ is a pliable yet tough supporting connective tissue. Its matrix is surrounded by a sheath of
collagenous fibres called _______ . The matrix is called ________ . In chondroblasts mature and get converted into ________ which are enclosed in the ________ in the matrix. This type of connective tissue is generally found in the _______ , ear lobe, etc.

“Lysosomes are called suicide bags of the cells”. Why?

Bone is stronger than cartilage.

Name the type of muscle fibres forming the inner lining of the intestine and gastric glands.