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