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