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