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