Home/Class 11/Biology/

Question and Answer

Question
BiologyClass 11

What is true about genetic material of a prokaryotic cell ?
(A) Lacks histones
(B) Not enceloped by nuclear membrane
(C) Composed of a single circular DNA molecule
(D) All of these

Answer

Answer: D
In prokaryotes, the genetic material consists ofd single circular DNA molecule lying entanglend in nucleoid. It is not bounded by a definite nuclear membrane. Histones are water-solble proteins rich in arginine and lysine that help in DNA packaging in chromosomes. Prokaryotic cells lack histone proteins.
To Keep Reading This Answer, Download the App
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play
To Keep Reading This Answer, Download the App
4.6
star pngstar pngstar pngstar pngstar png
Review from Google Play
Correct25
Incorrect1
Still Have Question?
Ask Your QuestionFind More Answer
Watch More Related Solutions
Plastids differ from mitochondria on the basis of which of the following features ?
(A) Presence of two layers of membrane
(B) Presence of ribosome
(C) Presence of thylakodis
(D) Presence of DNA
Plastids differ from mitochondria on the basis of which of the following features ?
(A) Presence of two layers of membrane
(B) Presence of ribosome
(C) Presence of thylakodis
(D) Presence of DNA
Biology|Class 11
Which of the following phases of the cell cycle is not a part of interphase?
(A) S
(B) \({G}_{{{1}}}\)
(C) \({G}_{{{0}}}\)
(D) M
Which of the following phases of the cell cycle is not a part of interphase?
(A) S
(B) \({G}_{{{1}}}\)
(C) \({G}_{{{0}}}\)
(D) M
Biology|Class 11
Select the correct pair out of the following
(A) Hypostomatic leaf-dicots
(B) epistomatic leaf-monocots
(C) amphistomatic leaf-free-floating hydrophytes
(D) presence of sunken stomata in leaf-submerged hydrophytes
Select the correct pair out of the following
(A) Hypostomatic leaf-dicots
(B) epistomatic leaf-monocots
(C) amphistomatic leaf-free-floating hydrophytes
(D) presence of sunken stomata in leaf-submerged hydrophytes
Biology|Class 11
Carrier ions like \({N}{a}^{{+}}\) faciltate the absorption of substance like
(A) amino acids, and glucose
(B) glucose and fatty acids
(C) fatty acids and glycerol
(D) fructose and some amino acids.
Carrier ions like \({N}{a}^{{+}}\) faciltate the absorption of substance like
(A) amino acids, and glucose
(B) glucose and fatty acids
(C) fatty acids and glycerol
(D) fructose and some amino acids.
Biology|Class 11
Chemosynthetic bacteria obtain energy from
(A) Sunlight
(B) infra red rays
(C) organic substances
(D) inorganic chemicals.
Chemosynthetic bacteria obtain energy from
(A) Sunlight
(B) infra red rays
(C) organic substances
(D) inorganic chemicals.
Biology|Class 11
Comprehension of spoken and written words take place in the region of
(A) association area
(B) motor area
(C) Wernicke's area
(D) Broca's area
Comprehension of spoken and written words take place in the region of
(A) association area
(B) motor area
(C) Wernicke's area
(D) Broca's area
Biology|Class 11
Persistet nucellus is called as______________and is found in __________.
(A) perispern, black pepper
(B) perisperm, groundnut
(C) endosperm, black pepper
(D) endosperm,groundnut
Persistet nucellus is called as______________and is found in __________.
(A) perispern, black pepper
(B) perisperm, groundnut
(C) endosperm, black pepper
(D) endosperm,groundnut
Biology|Class 12
The type of muscle present in our
(A) heart is involuntary and unstirated smooth
(B) intestine is striated and involuntary
(C) thigh is striated and voluntary
(D) upper arm is smooth muscle and fusiform in
The type of muscle present in our
(A) heart is involuntary and unstirated smooth
(B) intestine is striated and involuntary
(C) thigh is striated and voluntary
(D) upper arm is smooth muscle and fusiform in
Biology|Class 11
Lumbar vertebrae are found in
(A) neck region
(B) abdominal region
(C) hip region
(D) thorax
Lumbar vertebrae are found in
(A) neck region
(B) abdominal region
(C) hip region
(D) thorax
Biology|Class 11
Which one of the following microorganisms forms symbiotic assocation with plants and helps them in their nutrition?
(A) Glomus
(B) Azotobacter
(C) Klebsiella
(D) Azospirillum
Which one of the following microorganisms forms symbiotic assocation with plants and helps them in their nutrition?
(A) Glomus
(B) Azotobacter
(C) Klebsiella
(D) Azospirillum
Biology|Class 12

Load More

More Solution Recommended For You
NCERT Maths for Class 6
NCERT Physics for Class 6
NCERT Chemistry for Class 6
NCERT Biology for Class 6
NCERT Maths for Class 7
NCERT Physics for Class 7
NCERT Chemistry for Class 7
NCERT Biology for Class 7
NCERT Maths for Class 8
NCERT Physics for Class 8
NCERT Chemistry for Class 8
NCERT Biology for Class 8
Previous
Next