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