Select the wrong statement from the following:

1. both chloroplasts and mitochondria contain an inner and an outer membrane

2. both chloroplasts and mitochondria have an internal compartment, the thylakoid

space bounded by the thylakoid membrane

3. both chloroplasts and mitochondria contain DNA

4. the chloroplasts are generally much larger than mitochondria

The organelle common among prokaryotic and eukaryotic cell is

(1) centrosome

(2) ribosome

(3) peroxisome

(4) glyoxysome

A chromosome carrying the centromere at one of the ends is called

1. acentric

2. submetacentric

3. telocentric

4. metacentric.

Cell theory was proposed by

(1) a botanist

(2) a zoologist

(3) a botanist and a zoologist

(4) a psychologist.

Which of the following organelles contain DNA?

(i) Mitochondria (ii) Chloroplasts (iii) Golgi bodies (iv) Ribosomes

(1) (i) and (ii)

(2) (ii) and (iii)

(3) (i) only

(4) (iv) only.

Identify the accurate explanation of mesosome.

It is

(1) a specialised structure of prokaryotic cell formed by extension of plasma membrane into the cytoplasm

(2) the middle layer of the prokaryotic cell wall

(3) the organelle of eukaryotic cell which helps in lipid synthesis

(4) the middle layer of eukaryotic cell wall.

Which one of the following structure is an organelle within an organelle?

(1) Ribosome

(2) Peroxysome

(3) ER

(4) Mesosome

SER and RER can be distinguished with its presence in

1. protein synthesising cells

2. protein and fat synthesising cells

3. carbohydrates and fat synthesising cells

3. lipid and protein synthesising cells

Fluid mosaic model of plasma membrane was given by

1. Robertson

2. Robert Hooke

3. Singer and Nicholson

4. Gorter and Grendel

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