Which of the following are not membrane bound? (a) Lysosomes (b) Mesosomes (c) Vacuoles (d) Ribosomes

Which of the following are not membrane bound?
(a) Lysosomes (b) Mesosomes
(c) Vacuoles (d) Ribosomes
by

1 Answer

Answer :

(d) Ribosomes
by

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In cell, digestive enzymes are found mainly in (A) Vacuoles (B) Lysosomes (C) Ribosomes (D) Lomasomes

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Last Answer : Answer : B

The part of the cell which binds to the mRNA during protein systhesis is C A. Golgi bodies B. Lysosomes C. Ribosomes D. Food vacuoles

Description : The part of the cell which binds to the mRNA during protein systhesis is C A. Golgi bodies B. Lysosomes C. Ribosomes D. Food vacuoles

Last Answer : Ribosome

Match the column I with column II. Column-I Column-II A. Golgi apparatus (i) Synthesis of protein B. Lysosomes (ii) Trap waste and excretory products C. Vacuoles (iii) Formation of glycoproteins and glycolipids D. Ribosomes (iv) Digesting biomolecules Choose the right match from options given below. (a) A-(iii), B-(iv), C-(ii), D-(i) (b) A-(iv), B-(iii), C-(i), D-(ii) (c) A-(iii), B-(ii), C-(iv), D-(i) (d) A-(i), B-(ii), C-(iv), D-(iii)

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Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

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Which of the following is analogous to mesosomes of bacteria? A-Mitochondria of eukaryotes B- Golgi apparatus of eukaryotes C- Lysosomes of eukaryotes D- None of these

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Enzymes catalyzing electron transport are present mainly in the (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Inner mitochondrial membrane

Description : Enzymes catalyzing electron transport are present mainly in the (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Inner mitochondrial membrane

Last Answer : D

Which of the following statements is not correct? (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum. (b) Lysosomes have numerous hydrolytic enzymes. (c) The hydrolytic enzymes of lysosomes are active under acidic pH. (d) Lysosomes are membrane-bound structures.

Description : Which of the following statements is not correct? (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum. (b) Lysosomes have numerous hydrolytic enzymes. (c) The hydrolytic enzymes of lysosomes are active under acidic pH. (d) Lysosomes are membrane-bound structures.

Last Answer : (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

Which structures perform the function of mitochondria in bacteria? (a) Nucleoid (b) Ribosomes (c) Cell wall (d) Mesosomes

Description : Which structures perform the function of mitochondria in bacteria? (a) Nucleoid (b) Ribosomes (c) Cell wall (d) Mesosomes

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Assertion:- Ribosomes are involved in protein synthesis. Reason:- They are membrane bound cell organelles.

Description : Assertion:- Ribosomes are involved in protein synthesis. Reason:- They are membrane bound cell organelles.

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Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in vesicles and secretory granules d. moved across the cell membranes by endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

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Last Answer : found in vesicles and secretory granules

ATP is generated in C A. Lysosomes B. Food Vacuoles C. Mitochondria D. Golgi apparatus

Description : ATP is generated in C A. Lysosomes B. Food Vacuoles C. Mitochondria D. Golgi apparatus

Last Answer : Mitochondria

ATP is generated in C A. Lysosomes B. Food Vacuoles C. Mitochondria D. Golgi apparatus

Description : ATP is generated in C A. Lysosomes B. Food Vacuoles C. Mitochondria D. Golgi apparatus

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Which of the following pairs of organelles does not contain DNA? (a) Nuclear envelope and Mitochondria (b) Mitochondria and Lysosome (c) Chloroplast and Vacuoles (d) Lysosomes and Vacuoles

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Last Answer : (d) Lysosomes and Vacuoles

The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Description : The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Last Answer : ANSWER: C -- FOOD VACUOLES

The osmotic expansion of a cell kept in water is chiefly regulated by (a) mitochondria (b) vacuoles (c) plastids (d) ribosomes.

Description : The osmotic expansion of a cell kept in water is chiefly regulated by (a) mitochondria (b) vacuoles (c) plastids (d) ribosomes.

Last Answer : (b) vacuoles

Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria

Description : Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria

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Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Description : Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Last Answer : Answer : D

Chain elongation of fatty acids occurring in mammalian liver takes place in which of the following subcellular fractions of the cell? (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Description : Chain elongation of fatty acids occurring in mammalian liver takes place in which of the following subcellular fractions of the cell? (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Last Answer : Answer : D

The d igest ive enzymes of ce l lu lar compounds are confined to (A) Lysosomes (B) Ribosomes (C) Peroxisomes (D) Polysomes

Description : The d igest ive enzymes of ce l lu lar compounds are confined to (A) Lysosomes (B) Ribosomes (C) Peroxisomes (D) Polysomes

Last Answer : A

The cellular organelles called “suicide bags” are (A) Lysosomes (B) Ribosomes (C) Nucleolus (D) Golgi’s bodies

Description : The cellular organelles called “suicide bags” are (A) Lysosomes (B) Ribosomes (C) Nucleolus (D) Golgi’s bodies

Last Answer : A

Which of the following cell organelles are not found in a bacterial cell? 1. Glyoxysomes 2. Lysosomes 3. Mitochondria 4. Ribosomes Select the correct answer using codes given below: (a) 1 and 4 (b) 2 and 4 (c) 1, 2 and 3 (d) 1, 2, 3 and 4

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Last Answer : Ans:(a)

The suicidal bags of the cell are – (1) Lysosomes (2) Ribosomes (3) Dictyosomes (4) Phagosomes

Description : The suicidal bags of the cell are – (1) Lysosomes (2) Ribosomes (3) Dictyosomes (4) Phagosomes

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Which of the following is known as ‘suicide bags of the cell’? (1) Mitochondria (2) Golgi Bodies (3) Lysosomes (4) Ribosomes

Description : Which of the following is known as ‘suicide bags of the cell’? (1) Mitochondria (2) Golgi Bodies (3) Lysosomes (4) Ribosomes

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Which of the following organelles are called the Protein Factories of the cell? (1) Chloroplasts (2) Lysosomes (3) Mitochondria (4) Ribosomes

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Ribosomal RNA is actively synthesised in (a) lysosomes (b) nucleolus (c) nucleoplasm (d) ribosomes.

Description : Ribosomal RNA is actively synthesised in (a) lysosomes (b) nucleolus (c) nucleoplasm (d) ribosomes.

Last Answer : (a) lysosomes

Which part of the plant cell is known as power house? (A)Golgi bodies (B) Ribosomes (C)Mitochondria (D) Lysosomes

Description : Which part of the plant cell is known as power house? (A)Golgi bodies (B) Ribosomes (C)Mitochondria (D) Lysosomes

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Ribosomal RNA is actively synthesised in (a) lysosomes (b) nucleolus (c) nucleoplasm (d) ribosomes.

Description : Ribosomal RNA is actively synthesised in (a) lysosomes (b) nucleolus (c) nucleoplasm (d) ribosomes.

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Which of the following organelles contain enzymes that have digestive action? (a) Ribosomes (b) Polysomes (c) Plastids (d) Lysosomes

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Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

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Last Answer : (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts

Cellular organelles with membranes are (a) endoplasmic reticulum, ribosomes and nuclei (b) lysosomes, Golgi apparatus and mitochondria (c) nuclei, ribosomes and mitochondria (d) chromosomes, ribosomes and endoplasmic reticulum.

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Last Answer : (b) lysosomes, Golgi apparatus and mitochondria

The chromosomes responsible for characteristics other than sex are known by which of the following terms? a) ribosomes b) lysosomes c) autosomes d) spermatocytes

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The suicidal bags of the cell are (1) Lysosomes (2) Ribosomes (3) Dictyosomes (4) Phagosomes

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Absorption of solute ions is regulated by (A) Nucleus wall (B) Cell organelles (C) Vacuoles (D) Plant cell membrane

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The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

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The power house of the cell is (A) Nucleus (B) Cell membrane (C) Mitochondria (D) Lysosomes

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Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

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Genes, the hereditary units, are located in the – (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

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Which one of the following cell organelles is enclosed by a single membrane? (a) Lysosomes (b) Nuclei (c) Mitochondria (d) Chloroplasts

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Eukaryotic cells have extensive intracellular membranes, termed the endomembrane system, which divide the cell into structurally and functionally distinct compartments, or organelles. These include the inner cell membrane, nuclear envelope, endoplasmic reticulum, the Golgi apparatus, and lysosomes. Name a cellular component whose membrane is not part of the endomembrane system.

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Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

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Last Answer : (B) Lysosomes

Lysosomes arise from, (A) Nucleus (B) Endoplasmic reticulum (C) Golgi apparatus (D) Cell membrane

Description : Lysosomes arise from, (A) Nucleus (B) Endoplasmic reticulum (C) Golgi apparatus (D) Cell membrane

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Lysosomes have (A) Single-layered membrane (B) Double-layered membrane (C) Three-layered membrane (D) No membrane

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Genes, the hereditary units, are located in the (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane

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Last Answer : chromosomes

Which of the following are used in gene cloning? (a) Nucleoids (b) Lomasomes (c) Mesosomes (d) Plasmids

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The structures that help some bacteria to attach to rocks and/or host tissues are (a) mesosomes (b) holdfast (c) rhizoids (d) fimbriae.

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------------ is mainly present in prokaryotic cells A Mitochondria B ER C Golgi apparatus D Mesosomes

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$ The biomembrane which surrounds a vacuole is called Tonoplast. ! Ribosomes have a plasma membrane.

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The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

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SRP receptors involved in protein export are present on (A) Ribosomes (B) Endoplasmic reticulum (C) Golgi appartus (D) Cell membrane

Description : SRP receptors involved in protein export are present on (A) Ribosomes (B) Endoplasmic reticulum (C) Golgi appartus (D) Cell membrane

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The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B