Biology Test 3 Please don't use any search browser to find the answer. Just do it yourself so you can measure your knowledge power. Best of Luck! Please! Enter Password 1 / 50 Hepatitis A is caused by: Enveloped RNA virus Un-enveloped DNA virus Enveloped DNA virus Un-enveloped RNA virus 2 / 50 ------have a limited number of organelles? Prokaryotes Eukaryotes organ system None of the above 3 / 50 What is the mixed gland of the human body? Liver Thyroid Pancreas Pituitary 4 / 50 Which one doesn't belong to microtubules? Cilia Centrioles Flagella Chloroplast 5 / 50 The thick walled enlarged reproductive cells are called: Heterocyst Hormogonia Akinete Trichome 6 / 50 Planning to reduce plant diseases by applying different strategic methods is termed as: Integrated disease management Crop rotation Chemical control Hydroponics 7 / 50 During emergencies, the “fight-or-flight” response: is caused by hormone secretions in the adrenal medulla Decrease the heartrate is the result of aldosterone causing faster blood flow is stimulated by cortisol 8 / 50 Ammonia is the waste product of____ . All FISHES MARINE ANIMALS 9 / 50 Red wood trees measure over: All choices are incorrect 200 meters in height 400 feet in height 300 feet in height 10 / 50 The body’s normal metabolic rate is regulated by: Thyroid hormones Prolactin Epinephrine Metaboloxin 11 / 50 plastids are ….. All LEUCOPLAST CHROMOPLAST CHLOROPLAST 12 / 50 The chemicals produced by microorganisms, which are capable of destroying or inhibiting the growth of another organism: Anti-Toxins Both (A) and (B) Antibiotics Vaccines 13 / 50 ATP is an example of: Mononucleotide Polynucleotide Dinucleotide None of these 14 / 50 The four interconnected rings of steroid molecule have: 17 carbons 16 carbons 15 carbons 12 carbons 15 / 50 What is the role of progesterone hormone in women? Spermatogenesis Follicle development Female secondary sex characteristics Development of the uterine lining 16 / 50 Forming face: Golgi Apparatus Translocation of food Lysosomes Nerve cells 17 / 50 The reasoning from a specific set of observations to reach a general conclusion is called: None of the above Deductive reasoning Both (A) and (B) Inductive reasoning 18 / 50 Chemotherapy: Kills the cancer cells is also done in cancer patients a condition in which liver cells lack receptor for removing cholesterol High level of blood cholesterol 19 / 50 If the thyroid gland is removed so………. Our body stop producing the thyroid hormone Death Cause None 20 / 50 The largest desert in the world is: Gobi Thal Sahara Thar 21 / 50 The water bloom is a: Water with bad smell. Water cannot be drunk Water with a layer of organisms Polluted water 22 / 50 The matching, identical but often have slight differences, genes are……. CHROMOSOMES GENES DNA 23 / 50 The process of making a polypeptide sequence from the genetic code of mRNA molecule associated with a ribosome is termed as: Transformation Transduction Transcription Translation 24 / 50 In which phase does the growth of bacteria take place? Log phase Stationary phase Lag phase Death phase 25 / 50 Fatal heart attacks in a young Kills the cancer cells High level of blood cholesterol a condition in which liver cells lack receptor for removing cholesterol is also done in cancer patients 26 / 50 Which of the following traits is not sex-linked recessive? Hypophosphatemic ricket Colour blindness tfm syndrome Haemophilia 27 / 50 Which of the biomes has been increased in area by human activities? Coniferous Desert Savanna Grassland 28 / 50 Identical chromosomes in males is: 22 56 23 26 29 / 50 Grassland in tropic climates have woody trees and are called Savanna Prairies Pampas Velt 30 / 50 Homologous structures: None of the above Have same structures but different functions Have different structures and function Have same functions but different structures 31 / 50 The total amount of energy that is converted to organic compounds in a given area per unit of time is called the: Net primary productivity Transpiration Gross primary productivity Biomass 32 / 50 Non-protein part of the enzyme is……… None Apoenzyme Holoenzyme COFACTOR 33 / 50 Albumin is the most important protein in blood serum. It is produced by Heart Endocrine glands Liver Lungs 34 / 50 Brine is used for industrial production of NHO NaOH KCL HCL 35 / 50 Treatment of disease by x-rays or other ionizing radiation is: Radiotherapy All Gene therapy Chemotherapy 36 / 50 Colorado Tick fever is caused by: Double stranded RNA virus Single stranded DNA virus Single stranded RNA virus Double stranded DNA virus 37 / 50 NAD is an example of: Coenzyme Both (B) and (C) Dinucleotide (A)Mononucleotide 38 / 50 Super blue green algae is cyanobacteria which: Cause disease in man. Pollute water has nutritional value None of the above 39 / 50 Super blue green algae is cyanobacteria which: None of the above has nutritional value Cause disease in man. Pollute water 40 / 50 Plasma membrane: Differentially permeable Nerve cells Lysosomes Golgi apparatus 41 / 50 Phloem cell: Lysosomes Golgi Apparatus Nerve cells Translocation of food 42 / 50 AUTOSOMES ____in male and female Differnent None Same 43 / 50 Method of research in which a biological problem is identified, relevant data is gathered, a hypothesis is formulated from these data, and the hypothesis is experimentally tested is called: Biological method Scientific law All choices are correct Scientific theory 44 / 50 The chemicals produced by microorganisms, which are capable of destroying or inhibiting the growth of another organism: Vaccines Anti-Toxins Both (A) and (B) Antibiotics 45 / 50 Conduction of impulse: E.R. Translocation of food Nerve cells Differentially permeable 46 / 50 Sperms are produced in …….. Liver Seminiferous tubules Abdomen None 47 / 50 Which of the following is not aging? Dryness of skin Increase of number of cells Loss of hair pigment Increase of body weight 48 / 50 De-duve (1949): Differentially permeable Golgi apparatus Nerve cells Lysosomes 49 / 50 Pachytene is a Fourth stage of prophase in meiosis First stage of prophase in meiosis Third stage of prophase in meiosis Second stage of prophase in meiosis 50 / 50 How many bones are present in human ears? 6 8 9 3 Your score is 0% Restart quiz
