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Cell: The Unit of Life · Question 36

NEET (UG) 2020MCQEasy📈 Topic in 50% papers+4−1
1

Which of the following statements about inclusion bodies is incorrect?

  1. These are involved in ingestion of food particles
  2. They lie free in the cytoplasm
  3. These represent reserve material in cytoplasm
  4. They are not bound by any membrane

Answer

(1) These are involved in ingestion of food particles

Solution

As per NCERT, reserve material in prokaryotic cells is stored in the cytoplasm in the form of inclusion bodies. These are not bound by any membrane system and lie free in the cytoplasm, e.g., phosphate granules, cyanophycean granules and glycogen granules.

Statements (2), (3) and (4) are correct.

Inclusion bodies are stored food; they do not take part in ingestion of food particles.

Statement (1) is incorrect.

Answer: (1)

NEET (UG) 2020

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2

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

  1. Peroxisomes
  2. Golgi bodies
  3. Polysomes
  4. Endoplasmic reticulum
NEET (UG) 2020
3

Which of the following pair of organelles does not contain DNA?

  1. Lysosomes and Vacuoles
  2. Nuclear envelope and Mitochondria
  3. Mitochondria and Lysosomes
  4. Chloroplast and Vacuoles
NEET (UG) 2019
4

Which of the following statements regarding mitochondria is incorrect?

  1. Inner membrane is convoluted with infoldings
  2. Mitochondrial matrix contains single circular DNA molecule and ribosomes
  3. Outer membrane is permeable to monomers of carbohydrates, fats and proteins
  4. Enzymes of electron transport are embedded in outer membrane
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5

Which of the following statements is not correct?

  1. Lysosomes are membrane bound structures.
  2. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
  3. Lysosomes have numerous hydrolytic enzymes.
  4. The hydrolytic enzymes of lysosomes are active under acidic pH.
NEET (UG) 2019
6

The shorter and longer arms of a submetacentric chromosome are referred to as:

  1. q-arm and p-arm respectively
  2. m-arm and n-arm respectively
  3. s-arm and l-arm respectively
  4. p-arm and q-arm respectively
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7

The concept of " Omnis cellula-e cellula" regarding cell division was first proposed by :

  1. Schleiden
  2. Aristotle
  3. Rudolf Virchow
  4. Theodore Schwann
NEET (UG) 2019
8

Which of the following is true for nucleolus?

  1. It takes part in spindle formation
  2. Larger nucleoli are present in dividing cells
  3. It is a membrane-bound structure
  4. It is a site for active ribosomal RNA synthesis
NEET 2018
9

The Golgi complex participates in

  1. activation of amino acid
  2. fatty acid breakdown
  3. formation of secretory vesicles
  4. respiration in bacteria
NEET 2018
10

Which of the following events does not occur in rough endoplasmic reticulum?

  1. Cleavage of signal peptide
  2. Phospholipid synthesis
  3. Protein folding
  4. Protein glycosylation
NEET 2018
11

Select the incorrect match.

  1. Allosomes – Sex chromosomes
  2. Sub-metacentric chromosomes – L-shaped chromosomes
  3. Lampbrush chromosomes – Diplotene bivalents
  4. Polytene chromosomes – Oocytes of amphibians
NEET 2018

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