Endomembrane system is formed because of the

(1) coordinated functions of the membranous organelles

(2) coordinated functions of the membraneless organelles

(3) coordinated functions of all cell organelles

(4)All of these

Which of the following is true for lysosomes

(1)membrane bound vesicles

(2)formed by golgibody

(3)rich in hydrolytic enzymes

(4)All of the above

Hydolytic enzymes comprises of which of the following

(1)lipases

(2)proteases

(3)carbohydrases

(4)All of these

Hydrolytic enzymes are active at

(1)acidic pH

(2)basic pH

(3)Neutral pH

(4)Both A and B

How many of the following biomolecules can be digested by lysosomes?

(Carbohydrates, proteins, lipids, nucleic acids)

(1)4

(2)3

(3)2

(4)1

Which of the following is not true about cell wall

(1)protects cell from mechanical damage

(2)permeable to water

(3)It’s a living structure

(4)absent in animals

Galactans and mannans are the important component of cell wall of

(1)Plant

(2)Algae

(3)Fungi

(4)Bacteria

The common component between the cell wall of algae and plants is

(1)cellulose

(2)Hemicellulose

(3)Both A and B

(4)Mannans

Which of the following cell wall comes early and disappears gradually in the life of plant?

Which of the following holds the neighbouring cells together

(1)calcium pectate

(2) sodium pectate

(3)Both A and B

(4)manganese pectate