HARD
Earn 100

Study the following statements regarding mitochondria and select the incorrect ones.

(i) The matrix contains single circular ssDNA molecule, a few RNA molecules, 70s ribosomes

(ii) Mitochondria divide by fission

(iii) Mitochondria bear cisternae

(iv) These are the sites of aerobic respiration

42.86% studentsanswered this correctly

Important Questions on Cell : The Unit of Life

EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following are not membrane-bound?
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Animal cells after removal of nuclei still contained DNA. The source of this DNA is:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
A protoplast is a cell:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Nuclear envelope is a derivative of:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The property that is NOT common to mitochondria and chloroplasts is
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Balbiani rings are sites of:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Water-soluble pigments found in plant cell vacuoles are:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
DNA is not present in:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The region of chromatin that is stained lightly is
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Microtubules are the constituents of:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The chromosomes in which centromere is situated close to one end are:
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Match the columns and identify the correct option.
 
  Column I   Column II
A Thylakoids (i) Disc-shaped sacs in Golgi apparatus
B Cristae (ii) Condensed structure of DNA
C Cisternae (iii) Flat membranous sacs in stroma
D Chromatin (iv) Infoldings in mitochondria
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Cellular organelles with membranes are:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Select the correct matching in the following pairs:
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Select the mismatch.
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
A cell organelle containing hydrolytic enzymes is:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which one of the following cell organelles are enclosed by a single membrane?
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell

Pick the INCORRECT statement regarding a mitochondrion.

MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell

Mitochondria and chloroplast are:

(i) Semi - autonomous organelles

(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery

Which one of the following option is correct?