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 : 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 : 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 : The largest organelle in a mature living plant cell is the (A) Chloroplast (B) Nucleus (C) Central vacuole (D) Dictyosomes
Last Answer : (C) Central vacuole
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 : 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 : Ribosomes are chemically composed of (A) Protein (B) Only DNA (C) RNA (D) Both A + C
Last Answer : (D) Both A + C
Description : Modification of proteins and lipids as glycopeptides and lipo-proteins occur in (A) Ribosomes (B) Golgi apparatus (C) SER (D) All A, B and C
Last Answer : (B) Golgi apparatus
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 : 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 : 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 : Each chloroplast encloses a system of flattened, membranous sacs called (A) Cristae (B) Thylakoids (C) Plastids (D) Cisternae
Last Answer : (B) Thylakoids
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 organelle releases oxygen (A) Mitochondrion (B) Chloroplast (C) Glyoxysome (D) Both A and B
Last Answer : (B) Chloroplast
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 : How chloroplast and vacuole both contribute to the survival of a plant?
Last Answer : What is the answer ?
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
Description : The correct sequence of cell organelles during photorespiration is (1) Chloroplast, -vacuole, -peroxisome (2) Chloroplast,-Golgibodies,-mitochondria (3) Chloroplast,-Rough Endoplasmic reticulum,-Dictyosomes (4) Chloroplast,-mitochondria,-peroxisome
Last Answer : (4) Chloroplast,-mitochondria,-peroxisome
Description : The covering of vacuole is known as (A) Chromoplast B) Chloroplast (C) Amyloplast (D) Tonoplast
Last Answer : (D) Tonoplast
Description : Which of the following cell part is described as a "fluid mosaic"? (A) Chloroplast (B) Vacuole (C) Cell membrane (D) Endoplasmic reticulum
Last Answer : (C) Cell membrane
Description : The structure in cells which contains light absorbing pigment is (1) Endoplasmic reticulum (2) Nucleus (3) Chloroplast (4) Chromoplast
Last Answer : Chloroplast
Description : The most active site of protein synthesis is the (A) Nucleus (B) Ribosome (C) Mitochondrion (D) Cell sap
Last Answer : B
Description : The organelle that make ATP is (a) Microbody (b) Nucleus (c) Mitochondrion (d) Ribosome
Last Answer : Ans:(c)
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 organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus
Last Answer : (d) Golgi apparatus
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 : Which of the following is called the powerhouse’ of the cell ? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion
Last Answer : Mitochondrion
Description : What if Ian is looking at cells using a microscope. He sees a nucleus and a large vacuole in the central area of a cell. What type of cell is he most likely looking at?
Last Answer : I need help on my science homework!!!
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 : In Amoeba and Paramecium osmoregulation occurs through (a) pseudopodia (b) nucleus (c) contractile vacuole (d) general surface.
Last Answer : (c) contractile vacuole
Description : In protozoa like Amoeba and Paramecium, the organ for osmoregulation is (a) contractile vacuole (b) mitochondria (c) nucleus (d) food vacuole.
Last Answer : (a) contractile vacuole