Description : The main organelle involved in modification and outing of newly synthesized proteins to their destinations is (a) chloroplast (b) mitochondria (c) lysosome (d) endoplasmic reticulum.
Last Answer : (d) endoplasmic reticulum.
Description : Which cell organelle is called the Master of the Cell? (1) Endoplasmic reticulum (2) Mitochondria (3) Nucleolus (4) Nucleus
Last Answer : (4) Nucleus Explanation: The nucleus is often called the control center; master the brain of the cell.
Description : .Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is (a) endoplasmic reticulum (b) nucleosome (c) lysosome (d) phagosome.
Last Answer : (c) lysosome
Description : The DNA of cell is mainly present in B A. Cytoplasm B. Nucleus C. Rough Endoplasmic reticulum D. Lysosomes
Last Answer : Nucleus
Description : .Protein synthesis in an animal cell, takes place (a) in the cytoplasm as well as endoplasmic reticulum (b) only on ribose attached to nucleon (c) only in the cytoplasm (d) in the nucleolus as well as in the cytoplasm.
Last Answer : (d) in the nucleolus as well as in the cytoplasm.
Description : Protein synthesis in an animal cell occurs (a) only on the ribosomes present in cytosol (b) only on ribosome attached to the nuclear envelope and endoplasmic reticulum (c) on ribosome present in the ... as well as in cytoplasm (d) on ribosomes present in cytoplasm as well as in mitochondria.
Last Answer : (d) on ribosomes present in cytoplasm as well as in mitochondria.
Description : Protein synthesis in an animal cell, takes place (a) in the cytoplasm as well as endoplasmic reticulum (b) only on ribose attached to nucleon (c) only in the cytoplasm (d) in the nucleolus as well as in the cytoplasm.
Description : .Protein synthesis in an animal cell occurs (a) only on the ribosomes present in cytosol (b) only on ribosome attached to the nuclear envelope and endoplasmic reticulum (c) on ribosome present in the ... as well as in cytoplasm (d) on ribosomes present in cytoplasm as well as in mitochondria.
Description : Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic ... viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)
Last Answer : (a) (v) (iv) (viii) (iii)
Description : An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called (a) thylakoid (b) endoplasmic reticulum (c) plasmalemma (d) cytoskeleton.
Last Answer : (b) endoplasmic reticulum
Description : Select the alternative giving correct identification and function of the organelle A' in the diagram. (a) Mitochondria - Produce cellular energy in the form of ATP (b) Golgi body - ... packaging material (c) Lysosomes - Secrete hydrolytic enzymes (d) Endoplasmic reticulum - Synthesis of lipids
Last Answer : (a) Mitochondria - Produce cellular energy in the form of ATP
Description : Which one of the following organelle in the figure correctly matches with its function? (a) Golgi apparatus, formation of glycolipids (b) Rough endoplasmic reticulum, protein synthesis (c) Rough endoplasmic reticulum, formation of glycoproteins (d) Golgi apparatus, protein synthesis
Last Answer : (b) Rough endoplasmic reticulum, protein synthesis
Description : Ribosomes similar to those of bacteria found in (A) Plant nuclei (B) Cardiac muscle cytoplasm (C) Liver endoplasmic reticulum (D) Neuronal cytoplasm
Last Answer : Answer : A
Description : Ribosomes similar to those of bacterial found in (A) Plant nucei (B) Cardiac muscle cytoplasm (C) Liver endoplasmic reticulum (D) Neuronal cytoplasm
Description : The basic living substance is ___________. a) protoplasm b)endoplasmic reticulum c)cytoplasm d)mitochondria
Last Answer : a) protoplasm
Description : The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the (A) Endoplasmic reticulum (B) Golgi apparatus (C) Cytoskeleton (D) None of these
Last Answer : (C) Cytoskeleton
Description : Which one of the following Is also called the ‘powerplants’ of the cell? (1) Golgi body (2) Mitochondrion (3) Ribosome (4) Lysosome
Last Answer : (2) Mitochondrion Explanation: Mitochondria through the process of aerobic respiration, in eukaryotic cells produce ATP (energy currency of the cell). Hence, it is known as ‘powerplant of the cell'.
Description : Which of the following is called the powerhouse' of the cell? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion
Last Answer : (4) Mitochondrion Explanation: Mitochondria are sometimes described as "cellular power plants" because they generate most of the cell's supply of adenosine tri-phosphate (ATP), used as a source of ... cellular differentiation, cell death, as well as the control of the cell cycle and cell growth.
Description : Which one of the following is called the 'digestive bag' in the cell? (1) Golgi body (2) Mitochondrion (3) Ribosome (4) Lysosome
Last Answer : (4) Lysosome Explanation: Lysosomes are known as digestive bag because it digest every foreign material as well as worn out cell organelles. They contain powerful digestive enzymes which are capable of breaking down all organic materials.
Description : Which one of the following is also called the 'power plants' of the cell? (1) Golgi body (2) Mitochondrion (3) Ribosome (4) Lysosome
Last Answer : (2) Mitochondrion Explanation: In cell biology, a mitochondrion (plural mitochondria) is a membrane-enclosed organelle found in most eukaryotic cells. These organelles range from 0.5 to .0 micrometer (im) ... of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.
Description : Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? (a) Ribosome (b) Chloroplast (c) Mitochondrion (d) Lysosome
Last Answer : (c) Mitochondrion
Description : Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP ? (1) Ribosome (2) Chloroplast (3) Mitochondrion (4) Lysosome
Last Answer : (3) Mitochondrion
Description : Which one of the following is called the ‘digestive bag’ in the cell? (1) Golgi body (2) Mitochondrion (3) Ribosome (4) Lysosome
Last Answer : Lysosome
Description : Which of the following is called the powerhouse’ of the cell ? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion
Last Answer : Mitochondrion
Description : Which one of the following is also called the ‘power plants’ of the cell ? (1) Golgi body (2) Mitochondrion (3) Ribosome (4) Lysosome
Description : 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
Last Answer : Answer : D
Description : .An outer covering membrane is absent over (a) nucleolus (b) lysosome (c) mitochondrion (d) plastid.
Last Answer : (a) nucleolus
Description : The main area of various types of activities of a cell is (a) plasma membrane (b) mitochondrion (c) cytoplasm (d) nucleus.
Last Answer : (c) cytoplasm
Description : Cell organelle covered by single unit membrane is: (a) Glyoxisome (b) Lysosome (c) Peroxisomes (d) All of these.
Last Answer : Ans. ((d))
Description : A particular cell organelle is sometimes referred to as the 'suicide bag' because it contains certain enzymes that can break down the cell components or even the whole cell. Which one of the following is such an organelle? (a) Lysosome (b) Mesosome (c) Phagosome (d) Ribosome
Last Answer : Ans:(d)
Description : Which of the following organelle is responsible for synthesizing of proteins in the cell? (1) Golgi apparatus (2) Ribosome (3) Lysosome (4) Nucleus
Last Answer : (2) Ribosome Explanation: The Ribosome, a complex molecule made of ribosomal RNA molecules, is responsible for protein synthesis in the cells.
Description : A cell organelle containing hydrolytic enzymes is (a) lysosome (b) microsome (c) ribosome (d) mesosome.
Last Answer : (c) ribosome
Description : All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones
Last Answer : Answer : B
Description : The organelle that make ATP is (a) Microbody (b) Nucleus (c) Mitochondrion (d) Ribosome
Last Answer : Ans:(c)
Description : Which organelle releases oxygen (A) Mitochondrion (B) Chloroplast (C) Glyoxysome (D) Both A and B
Last Answer : (B) Chloroplast
Description : Which of the following correctly matches an organelle with its function? (A) Mitochondrion . . . photosynthesis (B) Nucleus . . . cellular respiration (C) Ribosome . . . manufacture of lipids (D) Central vacuole . . . storage
Last Answer : (D) Central vacuole . . . storage
Description : In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2 (A) Mitochondrion (B) Peroxisome (C) Chloroplast (D) Glyoxysome
Last Answer : (C) Chloroplast
Description : Which cell organelle divides the intracellular space int two distinct compartments, i.e. luminal (inside) and extra luminal (cytoplasm) compartments ?
Last Answer : Which cell organelle divides the intracellular space int two distinct compartments, i.e. ... Mitochondria C. Endoplasmic reticulum D. Lysosome
Description : Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus
Last Answer : (1) chloroplasts Explanation: Chloroplast, found in plant cells, is the site of photosynthesis in plants to prepare food (glucose) for the plant with the use of energy. It is a green ... a and b that absorb visible light energy and convert it to usable chemical energy in photosynthesis.
Last Answer : chloroplasts
Description : $ Cell wall of plants is formed of fungal cellulose. ! Smooth endoplasmic reticulum has ribosomes on its flagellin.
Last Answer : $ Cell wall of plants is formed of fungal cellulose. ! Smooth endoplasmic reticulum has ribosomes on its ... wrong D. If both As and R are wrong.
Description : $ Endoplasmic reticulum also acts as the cell-skelton. ! Flagellum of a prokaryotic cell is formed of a protein called Tubulin.
Last Answer : $ Endoplasmic reticulum also acts as the cell-skelton. ! Flagellum of a prokaryotic cell is formed of a ... wrong D. If both As and R are wrong.
Description : 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
Description : SRP receptors involved in protein export are present on (A) Ribosomes (B) Endoplasmic reticulum (C) Golgi appartus (D) Cell membrane
Description : The enzymes of the citric acid cycle are located in (A) Mitochondrial matrix (B) Extramitochondrial soluble fraction of the cell (C) Nucleus (D) Endoplasmic reticulum
Description : All the enzymes of glycolysis pathway are found in (A) Extramitochondrial soluble fraction of the cell (B) Mitochondria (C) Nucleus (D) Endoplasmic reticulum
Description : Inside cell, protein synthesis is done by B A. Lysosomes B. Rough endoplasmic reticulum C. Mitochondria D. Golgi bodies
Last Answer : Rough endoplasmic reticulum
Description : nside cell, protein synthesis is done by B A. Lysosomes B. Rough endoplasmic reticulum C. Mitochondria D. Golgi bodies
Last Answer : Golgi bodies
Description : 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 ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum
Last Answer : found in vesicles and secretory granules
Description : The correct sequence of cell organelles during photorespiration is (a) chloroplast, Golgi-bodies, mitochondria (b) chloroplast, rough endoplasmic reticulum, dictyosomes (c) chloroplast, mitochondria, peroxisome (d) chloroplast, vacuole, peroxisome.
Last Answer : (c) chloroplast, mitochondria, peroxisome