When necessary, the double helix unwinds and opens to allow DNA to be copied. https://www.radiotimes.com/quizzes/2020-05-22/pub-quiz-biology Biocatalysts are (a) hormones (b) vitamins (c) enzymes (d) pheromones, Q8. Many organisms like the snails do not find it comfortable in summer. Biology is a wondrous science that inspires us to discover more about the world around us. Frequently Asked Biology Questions and Answers The cell nuclei contain the genetic material chromatin (red). They are formed while we are in our mother's womb and are influenced by several factors. ‘Kwashiorkor’ is caused by deficiency of (a) carbohydrates (b) proteins (c) fats (d) vitamins, Q50. Viruses are not cells but particles of DNA or RNA encased within a protective shell. At the end of a reaction enzymes are (a) left as they are (b) reduced (c) increased (d) neutralised, Q9. Ans: (d) Q2. By entering your details, you are agreeing to Radio Times privacy policy. The universal donor belongs to blood group. Why are prokaryotic cells generally smaller than eukaryotic cells? In the third image, the root grows downwards in response to gravity, while in the fourth image the embryonic shoot (plumule) grows up against gravity. From your respective classes to future competitive exams, this collection of questions is sure to cement your knowledge and understanding of the plethora of concepts spread across the various branches of biology. (a) vitamin A (b) vitamin B (c) vitamin C (d) vitamin E, Q23. Rapid cell growth in the basal cell layer causes this layer to fold and form various patterns. The ultimate substances to which the carbohydrates are degraded are, (a) amino acid (b) glycerol (c) glucose (d) maltose, Ans: (c) Louis Pasteur developed the vaccine for ______ for the first time. (a) smallpox (b) cowpox (c) tetanus (d) chicken cholera, Q31.Viruses have (a) DNA only (b) RNA only (c) Either DNA or RNA (d) Both DNA and RNA, Q32. The ‘germ theory of disease’ was propounded by, (a) Joseph Lister (b) Robert Koch (c) Louis Pasteur (d) Jacob Heule, Q27. This shape is often described as a spiral staircase or twisted ladder. Get your gears turning with hundreds of puzzles, with new ones added each week - and enjoy a seven day free trial! Can a bacterial cell survive without a plasmid DNA? Our best wishes for a productive day. Biology Questions and Answers in English. The helical shape of DNA also makes DNA replication and protein synthesis possible. Herbivores are (a) primary consumers (b) secondary consumers (c) tertiary consumers (d) decomposers, Q35. Thanks! What are the 5 diseases caused by bacteria? Are we not lucky that plants reproduce sexually? Answer : D. Plum. The primary characteristic that differentiates eukaryotic cells from prokaryotic cells is the cell nucleus. Does corn reproduce sexually or asexually? Q4. Some bodily functions are the result of voluntary actions controlled by the individual, while others are involuntary and not under the control of the individual. Access answers to several hundred biology questions, carefully explained and easy for you to understand. Are species and populations the same thing? Already have an account with us? Why is biotechnology important to humans? Why was Charles Darwin’s theory important? Fingerprints are patterns of ridges that form on our fingers, palms, toes, and feet. Discover answers to these and other intriguing biology questions. A. Apple B. What is the difference between Astrophysics and Cosmology? B2M Productions/Digital Vision/Getty Images. Aestivation is summer sleep. Scurvy is prevented by vitamin (a) A (b) B (c) C (d) D Ans: (c) Which one is a water-soluble vitamin? Biology is a subject that explains all aspects of life on earth. Videosbym Answered: Nov 25, 2020. Hence, we have gathered a plethora of questions that you most probably will stumble upon during the course of your studies. Which is the correct sequence of the cell cycle? Another parent has heterozygous alleles and hence, the genotype of recessive... Why are food chains limited to 4-5 tropic levels? Why Apple and cashew are not called true fruits? Hard & easy collection about biology questions with answers of general knowledge that are important & frequently asked in many interviews, competitive exams or tests like SSC, NEET, MCAT, banking and quizzes. How can biotechnology help treat diseases? Hansen’s disease is more commonly known by which name? Plus there’s many, many more pub quizzes available as part of our bumper general knowledge pub quiz. (a) Glucagon (b) Insulin (c) Nor-adrenaline (d) Thyroxine, Ans: (b) The amount of blood in a normal man is about, (a) 5.0 litres (b) 2.5 litres (c) 3.8 litres (d) 4.7 litres, Q67. In sexual reproduction, the haploid sex cells unite during fertilization to form a diploid cell. Athlete’s Coot is the common name for the fungal disease, (a) Tinea pedis (b) Tinea cruris (c) Tinea corporis (d) Tinea capitis, Q21. The pathogenic organisms of an infected person are destroyed by the action of, (a) erythrocytes (b) leucocytes (c) blood platelets (d) all of these, (a) malarial parasite (b) try peorosoma (c) piroplasm (d) microfilaria, Q20. Some of these stimuli include light, gravity, water, and touch. Yawning, for example, is a reflex response that occurs when a person is tired or bored. How are sperms transferred from male to female in humans? Are there nuclear reactions going on in our bodies? Required fields are marked *. Have you ever noticed how plants grow toward different types of stimuli? Synthesis of nutrients by green plants is called (a) photo-oxidation (b) photo-respiration (c) photo-synthesis (d) photo-periodism Ans: (c), Q51. Heterochromia results in which change in physical appearance? What are the symptoms of retinal deficiency? 6118 views . Structure, Function, and Definition, Learn About Plant Cell Types and Organelles. Green plants synthesise carbohydrates by the, (a) holozoic method (b) holophytic method (c) saprophytic method (d) parasitic method, Q25. DNA is a nucleic acid with three main components: nitrogenous bases, deoxyribose sugars, and phosphate molecules. 20 biology quiz questions and answers for your home pub quiz, 20 Simpsons questions for your home pub quiz, 00s music questions for your home pub quiz, 20 Royal Family questions for your home pub quiz, 20 tie breaker questions for your home pub quiz. When we detect a sound, sound waves travel to our ears and the sound energy is converted to nerve impulses. Why Do Women Typically Live Longer Than Men? Do bacteria reproduce sexually or asexually? One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children. The dreaded virus which, on reaching the central nervous system, produces spasms of the muscles of the throat and the cheat while swallowing, and is sure to kill the patient is, (a) Poliomyelitis virus (b) AIDS virus (c) Smallpox virus (d) Rabies virus, Q16. Report Error What is the net worth of the owner of Mercedes? There are five ways in which individuals may be hit by lightning. Answer: The word animal comes from Latin, meaning breath or soul. The ‘mad-cow disease’ (Jakob-Creutzfeldt disease) is produced by certain, (a) bacterium (b) virus (c) viroid (d) prion, (a) DNA (b) proteins (c) RNA (d) None of these, Q12. Organisms which synthesise their own food are called, (a) autotrophs (b) heterotrophs (c) saprotrophs (d) auxotrophs, Q36. The okazaki fragments formed during replication enables the replication of the 3’ 5’ (lagging strand). Q65. In almost every culture, women usually outlive men. There are two types of cells. For what is the Jurassic period named? The main stages in the germination of a plant seed. How many eggs does a woman have in her lifetime? i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker. HIV causes (a) cancer (b) hepatitis (c) AIDS (d) Herpes, Q17. Q1. Waldeyer gave the name (a) microsome (b) chromosome (c) ribosome (d) lysosome. Q66. A single piece of coiled DNA is known as? (a) A (b) C (c) D (d) E, Q48. The list is a mix of Q&A, MCQs, true/false and fill-the-blank types. Why Do Certain Sounds Make Your Skin Crawl? Biology is a very interesting, important and a core subject which involves a detailed study about life on earth. Other types of plant tropisms include growth in the direction of chemical signals (chemotropism) and growth in response to heat or temperature changes (thermotropism). (a) Dry skin (b) Rough skin (c) Night blindness (d) Sensitiveness to light and ulcers, Q63. Answers below – no cheating…. Does age really matter when it comes to the female reproductive system? Describe Double Circulation in Human Beings Why is It Necessary, Difference Between Light Reaction and Dark Reaction, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology. Another brain structure, the amygdala, heightens our perception of the sound and associates it with a particular emotion, such as fear or unpleasantness.


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