Which of the following four cell structures is correctly matched with the accompanying description?

(1) Plasma membrane - Outer layer of cellulose or chitin, or absent

(2) Mitochondria - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae

(3) Chloroplasts - Bacteria like elements with inner membrane highly folded

(4) Golgi apparatus - Stacks of flattened vesicles

Which one of the following is incorrect statement

(1) All organisms are composed of cells

(2) Cell is the basic unit of life

(3) All inanimate things are made up of cells

(4) Virus is acellular

Which of the following is incorrect match

(1)bacillus- rod like

(2)coccus-comma shaped

(3)vibrio-comma shaped

(4)spirillum-spiral

Which of the following is not true about plasmid

(1) extra chromosomal DNA

(2)give unique genotypic characters to bacteria

(3)helps in antibiotic resistance

(4)helps in reproduction

Integral or Peripheral proteins classification is based on

The ability to move within the membrane is measured as its

(1)liquidity

(2)fluidity

(3)viscosity

(4)stability

The fluid nature of the membrane is also important from the point of view of functions like

1. cell growth

2. secretion

3. cell division

4. All of the above

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

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