Which of the following statements regarding mitochondria is incorrect?
Enzymes of electron transport are embedded in outer membrane.
Inner membrane is convoluted with infoldings.
Mitochondrial matrix contains single circular DNA molecule and ribosomes.
Outer membrane is permeable to monomers of carbohydrates, fats and proteins.
A.
Enzymes of electron transport are embedded in outer membrane.
In mitochondria, enzymes for electron transport are present in the inner membrane.
The smooth endoplasmic reticulum is the major site for synthesis of
Protein
Lipid
Glycoproteins
Carbohydrates
Carbohydrates
Which of these is wrongly matched?
70 S ribosomes — Prokaryotes
80 S ribosomes — Eukaryotes
Axoneme — Cilia
Centromere — Centrosome
Centromere — Centrosome
Which of the following statements is not correct?
The hydrolytic enzymes of lysosomes are active under acidic pH
Lysosomes are membrane bound structures
Lysosomes are formed by the process of packaging in the endoplasmic reticulum
Lysosomes have numerous hydrolytic enzymes
The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by
Theodore Schwann
Schleiden
Aristotle
Rudolf Virchow
The shorter and longer arms of a submetacentric chromosome are referred to as
p-arm and q-arm respectively
q-arm and p-arm respectively
m-arm and n-arm respectively
s-arm and l-arm respectively
Which of the following pair of organelles does not contain DNA?
Chloroplast and Vacuoles
Lysosomes and Vacuoles
Nuclear envelope and Mitochondria
Mitochondria and Lysosomes
