Description : Tay Sach’s disease is because of (A) Accumulation of proteins (B) Accumulation of glycogen (C) Accumulation of lipids (D) Accumulation of vitamins
Last Answer : (C) Accumulation of lipids
Description : Detoxification of harmful drugs is the function (A) RER (B) SER (C) Both A and B (D) None of the above
Last Answer : (B) SER
Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.
Last Answer : (d) free ribosomes and RER.
Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER
Last Answer : (4) Free ribosomes and RER
Description : Ribosomes are chemically composed of (A) Protein (B) Only DNA (C) RNA (D) Both A + C
Last Answer : (D) Both A + C
Description : The Golgi complex plays a major role (a) as energy transferring organelles (b) in post translational modification of proteins and glycosylation of lipids (c) in trapping the light and transforming it into chemical energy (d) in digesting proteins and carbohydrates.
Last Answer : (b) in post translational modification of proteins and glycosylation of lipids
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
Last Answer : Answer : B
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 : 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.
Last Answer : (b) lysosomes, Golgi apparatus and mitochondria
Description : 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 ... ), C-(iv), D-(i) (d) A-(i), B-(ii), C-(iv), D-(iii)
Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)
Description : Where does protein synthesis take place in all cells? a. mitochondria b. cell membranes c. ribosomes d. Golgi apparatus
Last Answer : c. ribosomes
Description : Which of the following would you NOT find in a bacterial cell (A) DNA (B) Cell membrane (C) Golgi apparatus (D) Ribosomes
Last Answer : (C) Golgi apparatus
Description : In a cell, aerobic respiration occurs mainly in the: a) ribosomes (pron: RIBE-a-somes) b) mitochondria (pron: mite-o-KON-dree-a) c) Golgi apparatus (pron: GALL-jee) d) chloroplasts (pron: KLOR-o-plasts)
Last Answer : ANSWER: B -- MITOCHONDRIA
Description : Leucoplast are found (A) Petals (B) Ripened fruits (C) Underground parts (D) Leaves
Last Answer : (C) Underground parts
Description : Cell wall consist of (A) One main layer (B) Two main layers (C) Three main layers (D) Four main layers
Last Answer : Three main layers middle lamellae primary wall secondary wall
Description : Which type of cell would probably be most appropriate to study chloroplasts (A) Conducting cell (B) Photosynthetic cell (C) Pericycle cell (D) All options are correct
Last Answer : Photosynthetic cell bcz chloroplast involved in synthesis of ATP by traping light
Description : One of the following is not double membranous structure (A) Mitochondrion (B) Vacuole (C) Chloroplast (D) Nucleus
Last Answer : (B) Vacuole
Description : Which one of following is true about chloroplast (A) It is underground part (B) It helps in pollination (C) Self replicating organelle (D) Involve in Lipid synthesis
Last Answer : (C) Self replicating organelle
Description : Liver rot is caused by a) Ascaris b) Fasciola c) Planaria d) Bipalium
Last Answer : b) Fasciola
Description : Cnidoblast are found in a) Cnidaria b) Protista c) Porifera d) Placozoa
Last Answer : a) Cnidaria
Description : Internal buds of sponges produced during adverse conditions a) Archaeocytes b) Osculum c) Micropyle d) Gemmule
Last Answer : d)Gemmule
Description : Earthworms used in vermi composting a) Eisenia foetida, Perionyx excovatus, Eudrilus eugineae b) Pheretima posthuma & Megascolex mauritius c) Bombyx mori & Apis indica d) None of the above
Last Answer : a) Eisenia foetida, Perionyx excovatus, Eudrilus eugineae
Description : Chikungunya is a a) Bacterial disease b) Viral disease c) Fungal infection d) None of the above
Last Answer : b) Viral disease
Description : Malaria is transmitted through a) Female culex mosquito b) Female anopheles mosquito c) Female aedes mosquito d) None of the above
Last Answer : b) Female anopheles
Description : Example of cyclostomata a) Petromyzon b) Ascidia c) Amphioxus d) Narcine
Last Answer : a) Petromyzon
Description : The reproductive zooids of obelia colony a) Hydrotheca b) Perisarc c) Blastostyle d) manubrium
Last Answer : a) Hydrotheca
Description : The larva of balanoglossus a) Planule b) Trochophore c) Tornaria d) Veliger
Last Answer : c) Tornaria
Description : Mention the class of Echinococcus a) Cestoda b) Trematoda c) Turbularia d) Nematodes
Last Answer : a) Cestoda
Description : Which of the following is an arachnid ectoparasite? a) Spider b) Scorpion c) Daphnia d) Tick 10. The function of contractile vacuole a) Nutrition b) Reproductionc) Osmoregulation d) Locomotion
Last Answer : c) Osmoregulation
Description : Name of the phylum to which ‘Arrow worms’ belong to a) Rotifera b) Hemichordata c) Chaetognatha d) Annelida
Last Answer : b) Hemichordata
Description : Name the mushroom coral a) Favia b) Fungia c) Madrepora d) Aurelia
Last Answer : c) Madrepora
Description : The first larvae of penaeus a) Zoea b) Nauplius c) Mysis d) Protozoea
Last Answer : d) Protozoea
Description : The animal which causes parasitic castration is a) Eupagurus b) Sacculina c) Crab d) Lepisma
Last Answer : b) Sacculina
Description : The connecting link between annelids and arthropods is a) Nereis b) Belostoma c) Peripatus d) Balanus
Last Answer : c) Peripatus
Description : ‘Aristotle lantern‘is seen in a) Antedon b) Star fish c) Echinus d) Ophiothrix
Last Answer : a) Antedon
Description : Name the rectal ciliate a) Paramecium b) Plasmodium c) Opalina d) Actinophrys
Last Answer : c) Opalina
Description : The causative organism of gambian fever a) Leishmania b) Trypanosoma c) Amoeba d) Entamoeba
Last Answer : b) Trypanosoma
Description : Which of the following is/are function(s) of liposchondria? (I) Chemical modification of lipids and proteins (II) Detoxification (III) Formation of ac
Last Answer : Which of the following is/are function(s) of liposchondria? (I) Chemical modification of lipids and ... are correct D. II and III are incorrect
Description : Proteins are synthesized in— (A) Centrosomes (B) Ribosomes (C) Mitochondria (D) Golgi bodies
Last Answer : (B) Ribosomes
Description : The proteins are synthesised at (a) centrosomes (b) Golgi bodies (c) ribosomes (d) mitochondria.
Last Answer : (c) ribosomes
Description : Ribosomes help to synthesize a. carbohydrates b. proteins c. lipids d. minerals
Last Answer : proteins
Description : Proteins that are destined to be secreted from the cells must pass through a series of organelles. These organelles include: a. Endoplasmic reticulum b. Golgi apparatus c. Mitochondria d. Lysosomes
Last Answer : Answer: a, b, d Proteins targeted for the secretory pathway most commonly begin with translocation from the cytoplasm across the lipid bilayer into the lumen of the endoplasmic reticulum. It ... apparatus where they are further processed and sorted and end up in a secretory vesicle or lysosome
Description : How do the rough endoplasmic reticulum and the Golgi apparatus act in the production and releasing of proteins ?
Last Answer : The rough endoplasmic reticulum has in its outer membrane numerous ribosomes, structures where translation of messenger RNA and protein synthesis occur. These proteins are stored in the rough endoplasmic reticulum ... exocytosis) in the right place and its content is liberated outside the cell.
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 : Which one of the following regulatory actions involves a reversible covalent modification of the enzyme? (A) Phosphorylation of ser-OH on the enzyme (B) Allosteric modulation (C) Competitive inhibition (D) Non-competitive inhibition
Last Answer : Answer : A
Description : A major site for synthesis of lipids is (a) symplast (b) nucleoplasm (c) RER (d) SER
Last Answer : (d) SER
Description : Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids
Last Answer : Ans:(d)
Description : Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.
Last Answer : (d) glycoproteins and glycolipids.
Description : Proteomics is A-the study of algal genomes B-a branch of quantum physics dealing with proteins C-the study of formation of lipo-protein in animals
Last Answer : the study of the entire collection of proteins expressed by an organism
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