Mitochondria, ribosomes, plastids, microbodies

From the statements given below choose the correct option :

A. The eukaryotic ribosomes are 80S and prokaryotic ribosomes are 70S.

B. Each ribosome has two sub-units.

C. The two sub-units of 80S ribosome are 60S and 40S while that of 70S are 50S and 30S.

D. The two sub-units of 80S ribosome are 60S and 20S and that of 70S are 50S and 20S.

E. The two sub-units of 80S are 60S and 30S and that of 70S are 50S and 30S.

Match List I with List II

List I: A. Nucleolus; B. Centriole; C. Leucoplasts; D. Golgi apparatus

List II: I. Site of formation of glycolipid; II. Organization like the cartwheel; III. Site for active ribosomal RNA synthesis; IV. For storing nutrients

Choose the correct answer from the options given below:

The DNA present in chloroplast is:

Given below are two statements :

Statement I : Mitochondria and chloroplasts are both double membrane bound organelles.

Statement II : Inner membrane of mitochondria is relatively less permeable, as compared to chloroplast.

In the light of the above statements, choose the most appropriate answer from the options given below :

How many different proteins does the ribosome consist of?

Match List - I with List - II.

List - I | List - II

(a) Cristae | (i) Primary constriction in chromosome

(b) Thylakoids | (ii) Disc-shaped sacs in Golgi apparatus

(c) Centromere | (iii) Infoldings in mitochondria

(d) Cisternae | (iv) Flattened membranous sacs in stroma of plastids

Choose the correct answer from the options given below.

Which of the following pair of organelles does not contain DNA ?

Which of the following statements regarding mitochondria is incorrect ?

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP ?

Mitochondria and chloroplast are :

(a) semi-autonomous organelles.

(b) formed by division of pre - existing organelles and they contain DNA but lack protein synthesizing machinery.

Which one of the following options is correct ?