NEET · Biology · STD 11 - 8. Cell the unit of life
\(DNA\) is not present in
- A nucleus
- B mitochondria
- C chloroplast
- D ribosomes.
Answer & Solution
Correct Answer
(D) ribosomes.
Step-by-step Solution
Detailed explanation
(d) : Ribosome is a small spherical body within a living cell that is the site of protein synthesis. Ribosomes consist of two subunits, one large and one small, each of which comprises some \(RNA\) (called ribosomal \(RNA\)) and protein. They do not have any \(DNA.\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Biology
- Following are the stages of pathway for conduction of an action potential through the heart \(A.\) \(AV\) bundle \(B.\) Purkinje fibres \(C.\) \(AV\) node \(D.\) Bundle branches \(E.\) \(SA\) node Choose the correct sequence of pathway from the options given belowNEET 2024 Medium
- Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard whenNEET 2015 Medium
- Given below are two statements :
Statement I: The DNA fragments extracted from gel electrophoresis can be used in construction of recombinant DNA.
Statement II : Smaller size DNA fragments are observed near anode while larger fragments are found near the wells in an agarose gel.
In the light of the above statements, choose the most appropriate answer from the options given below :NEET 2025 Medium - Mitochondria and chloroplast are
\((A)\) semi autonomous organelles
\((B)\) formed by division of pre existing organelles and they contain \(DNA\) but lack protein synthesising machinery.
Which one of the following options is correct ?NEET 2016 Medium - Match List \(I\) with List \(II\) :Choose the correct answer from the options given below :
List \(I\) List \(I\) \(A\) Exophthalmic goiter \(I\) Excess secretion of cortisol, moon face hypergylcemia. \(B\) Acromegaly \(II\) Hypo-secretion of thyroid hormone and stunted growth. \(C\) Cushing's syndrome \(III\) Hyper secretion of thyroid hormone protruding eye balls. \(D\) Cretinism \(IV\) Excessive secretion of growth hormone. NEET 2024 Medium - The common characteristics between tomato and potato will be maximum at the level of theirNEET 2013 Medium
More PYQs from NEET
- What is the role of large bundle shealth cells found around the vascular bundles in \(C _{4}\) plants?NEET 2022 Medium
- Phosphoric acid ionizes in three steps with their ionization constant values \(K_{a_1}, K_{a_2}\) and \(K_{a_3}\), respectively,
While K is the overall ionization constant.
Which of the following statements are true?
A. \(\log K =\log K _{ a _1}+\log K _{ a _2}+\log K _{ a _3}\)
B. \(H _3 PO _4\) is a stronger acid than \(H _2 PO _4^{-}\)and \(HPO _4^{2-}\)
C. \(K_{a_1}>K_{a_2}>K_{a_3}\)
D. \(K_{a_1}=\frac{K_{a_3}+K_{a_2}}{2}\)NEET 2025 Medium - If \(\overrightarrow{ F }=2 \hat{ i }+\hat{ j }-\hat{ k }\) and \(\overrightarrow{ r }=3 \hat{ i }+2 \hat{ j }-2 \hat{ k }\), then the scalar and vector products of \(\overrightarrow{ F }\) and \(\overrightarrow{ r }\) have the magnitudes respectively asNEET 2022 Medium
- Match List I with List II :
List I List II A. Trypsin I. Intercellular ground substance B. Morphine II. Lectin C. Concanavalin A III. Enzyme D. Collagen IV. Alkaloid Choose the correct answer from the options given below :NEET 2026 Medium - Two gases \(A\) and \(B\) are filled at the same pressure in separate cylinders with movable pistons of radius \(r_A\) and \(r_B\), respectively. On supplying an equal amount of heat to both the systems reversibly under constant pressure, the pistons of gas \(A\) and \(B\) are displaced by 16 cm and 9 cm , respectively. If the change in their internal energy is the same, then the ratio \(\frac{r_A}{r_B}\) is equal toNEET 2025 Easy
- Drug called Heroin' is synthesized byNEET 2019 Medium