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Cell: The Unit of Life · Question 58

AIPMT 2015MCQEasy📈 Topic in 50% papers+4−1
1

Chromatophores take part in

  1. movement
  2. respiration
  3. photosynthesis
  4. growth.

Answer

(3) photosynthesis

Solution

As per NCERT, in some prokaryotes, like cyanobacteria, there are other membranous extensions into the cytoplasm called chromatophores which contain pigments.

⇒ These pigment-containing membranes trap light energy.

∴ Chromatophores take part in photosynthesis.

Answer: (3)

AIPMT 2015

Keep practising — Cell: The Unit of Life

2

Balbiani rings are sites of :

  1. Polysaccharide synthesis
  2. Lipid synthesis
  3. RNA and protein synthesis
  4. Nucleotide synthesis
AIPMT 2015
3

Match the columns and identify the correct option.

  1. (a) (iv), (b) (ii), (c) (i), (d) (iii)
  2. (a) (iv), (b) (iii), (c) (i), (d) (ii)
  3. (a) (iii), (b) (iv), (c) (i), (d) (ii)
  4. (a) (iii), (b) (i), (c) (iv), (d) (ii)
AIPMT 2015
4

Which of the following structures is not found in a prokaryotic cell?

  1. Mesosome
  2. Nuclear envelope
  3. Ribosome
  4. Plasma membrane
AIPMT 2015
5

Cellular organelles with membranes are -

  1. endoplasmic reticulum, ribosomes and nuclei
  2. lysosomes, Golgi apparatus and mitochondria
  3. nuclei, ribosomes and mitochondria
  4. chromosomes, ribosomes and endoplasmic reticulum
AIPMT 2015
6

Which of the following are not membrane-bound ?

  1. Ribosomes
  2. Mesosomes
  3. Lysosomes
  4. Vacuoles
AIPMT 2015
7

DNA is not present in :

  1. Nucleus
  2. Chloroplast
  3. Mitochondria
  4. Ribosomes
AIPMT 2015 (Cancelled)
8

Nuclear envelope is a derivative of :

  1. Membrane of Golgi complex
  2. Smooth endoplasmic reticulum
  3. Rough endoplasmic reticulum
  4. Microtubules
AIPMT 2015 (Cancelled)
9

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are

  1. Stroma lamellae
  2. Cristae
  3. Stroma
  4. Grana
AIPMT 2015 (Cancelled)
10

Select the correct matching in the following pairs :

  1. Rough ER – Oxidation of fatty acids
  2. Smooth ER – Oxidation of phospholipids
  3. Rough ER – Synthesis of glycogen
  4. Smooth ER – Synthesis of lipids
AIPMT 2015 (Cancelled)
11

The chromosomes in which centromere is situated close to one end are :

  1. Telocentric
  2. Metacentric
  3. Sub-metacentric
  4. Acrocentric
AIPMT 2015 (Cancelled)

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