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