BIOLOGY STUDY MATERIAL The secretory product pectin of cell wall is chemically a Answer: carbohydrate Coagulation of blood in the vessel is prevented during normal condition by Answer: heparin Which of the following imparts yellow colour to urine in humans? Answer: Urochrome "Which of the following are characteristics of diabetes mellitus, a common disease of human beings? I. Increase of blood sugar. II. Appearance of sugar in urine. III. Loss of hunger. IV. Lack of energy. Which of the statements given above is/are correct?" Answer: I, II and IV Which among the following areas in conducive for well irrigation? Answer: Dry tracts of Rajasthan and Gujarat Which one among the following animals is without the bone-marrow? Answer: Birds Which gland is associated with the production of lymphocytes and antibodies? Answer: Thymus To study the evolutionary kingdoms, which one of the following will be very useful Answer: All of the above The heart sound murmurs are heard during Answer: generated by trubulent flow of blood, either inside or outside the most. Removal of thymus gland in the early life of an experimental mammal will cause Answer: Both 'a' and ‘b’ The receptors for bitter taste are located at which part of tongue? Answer: Posterior median part of the tongue How do marine animals survive in water without air contact? Answer: They do not require any oxygen During meiosis, the disjunction of chromosomes can be seen in stage Answer: anaphase I Pituitiary has been described as the master gland and its hormones govern other endocrine glands. But which of the following glands does not come under its influence? Answer: Pancreas The largest amount of physical and chemical molecules present in the cells is Answer: proteins Which of the following is the cause of suffering of aged people from joint pains? Answer: Drying up of synovial fluids The vitamin which is generally excreted by humans in urine is Answer: vitamin C Which of the following hormones is involved in the formation and maturation of RBCs? Answer: Erythropoietin "Consider the following statements I. The cervical ribs in the Giraffe are seven only II. All mammals have only seven cervical ribs. III. The long neck of the Camel is due to elongation of cervical ribs. IV. The long neck of the Giraffe is due to increase in the number of cervical ribs. Which of the statements given above are correct?" Answer: I, II and III The ribosomal sub-units of prokaryote cell is Answer: 30 S + 50 S Which one among the following micro orgainisms can be used in "Microbial fuel cells"? Answer: Shewanella putrefaciens Which of the following animals have the biconvex and non-nucfeated RBCs? Answer: Mammals In which of the following groups would you place a plant, which produces spores, has vascular tissues and bear seeds without fruits? Answer: Gymnosperm The excretion of insoluble calcium phosphate present in our body is done by Answer: intestine The phragmoplast, a cell plate formed in plant cells originates from Answer: Golgi bodies You meet a person who has protruding eyes, tachycardia and higher body temperature. He/ She suffers from Answer: hypothyroidism The golgi bodies very common in the secretory cells are originate from Answer: endoplasmic reticulum Which of the following metal ion is needed to form poly-ribosomes from ribosomes? Answer: Mg2 + Which one among the following is activated in stress conditions? Answer: Sympathetic nervous system "Assertion Achlorophylous multicellular eukaryotic decomposers are plants. Reason (R) Fungi have cell wall rich in cellulose and specialised chitin." Answer: Both A and R are true and R is the correct explanation of A The fruit after ripening becomes soft. It is due to Answer: dissolution of middle lamella Which of the following should a man consume if he lacks rhodopsin in his eyes? Answer: Papaya and mango "Assertion All food chain will come to standstill if the bacteria disappears from the earth. Reason (R) Bacteria are only associated with soil fertility and play hardly any role for food chain." Answer: A is true but R is false Which one of the following is the connecting link between phylum annelida and arthropoda? Answer: Peiipatus Which one among the following affects the flowering in plants? Answer: Florigen Which one among the following tissues can be used for the extraction of fibres? Answer: xylem, phloem, epidermis and sclerenchyma " Assertion Algae and Green fuels are third generation biofuels. Reason (R) The third generation biofuels are environment friendly and also known as advanced fuels" Answer: Both A and R are true but R is not the correct explanation of A Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function? Answer: All Fungi for Sekual reproduction RNA differs from DNA in having Answer: adenine Father of the Indian Systematic Botany is Answer: H Santapau The placoid scales are found only in Answer: elasmobranchi The monocot plants lack the process of grafting. It is mainly due to lack of Answer: cambium tissue "Assertion Heart pacemaker is a life saving device when the normal heart rate of 72-80 drops to 30-40 due to a disease or any other cause. Reason (R) Heart pace-maker electrically stimulates the contractile heart walls." Answer: Both A and R are true and R is the correct explanation of A Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images our internal body organs. This is primarily possible because Answer: MRI uses an external magnet to generate a magnetic field in our body In which one among the following cell walls, the silica is abundantly found? Answer: cell wall of grass and horsetail Which among the following gland is known as " Clockwork gland" of human beings? Answer: Pineal gland "Which of the following is the honey bee queen substance? " Answer: A type of wax used in cell construction Which of the following vector spreads the ksala- azar in human beings? Answer: Sand fly Ilmas, a species of Camel family are found in Answer: South America The mad-cow disease in cattles is caused by Answer: prions The Human cell contain how many Chromosomes ? Answer: 46 ……………….. number of bones in the Human Body Answer: 206 The range of Hb content in the human body is ……………. Answer: 500-700gm How many number of cells present in the human body ? Answer: 75trillion Total number of muscles in the human body is ………………………… Answer: 639 The largest part of the human body is …………… Answer: Skin Weight of the human brain is ……………………….. Answer: 1424g How many bones are there in a newly born infant ? Answer: 300 The Scientific name of Human is …………………. Answer: Homo sapiens Human body consist of more than ……………. of water Answer: 60% Rickets is a disease caused due to deficiency of ………………………… Vitamin D Calcium Vitamin A Vitamin B Both 1 and 2 Answer: Both 1 and 2 …………..are made up of DNA and proteins Answer: Chromosomes ……………………… percentage of whole blood is blood plasma and is straw yellow in colour Answer: 55% Which of the following is longest bone in the Human Body ? Answer: Femur Which of the following is smallest bone in the Human Body ? Answer: Both 2 and 3 Which of the following contains Haemoglobin ? Answer: Red Blood cells Which of the following disease is caused by deficiency of Vitamin B1 ? Answer: Beriberi Which of the following animal has long Gestation period ? Answer: Elephant The human eye can distinguish about …………….. colours Answer: 10 million ……………blood group is a universal recipient Answer: AB ………………… is the basic structural and functional unit of all known living organisms Answer: The Cell The first living cell was discovered by ………………. Answer: Leeuwenhoek Who is known as “Father of Botany” ? Answer: Theophrastus The scientists who gave the his thought for the first time about the life of plants and animal was …………… Answer: Aristotle The study of cell is called …………….. Answer: Cytology …………. is called as power house of the cell Answer: Mitochondria Bead like structure found on chromosome are called …………. Answer: Genes What is the Chemical name of fats ? Answer: Lipids ……………. is a process in which the respired oxygen is used in the oxidation of food resulting in the release of energy Answer: Respiration A new born baby’s heart weight is about ………… Answer: 20g Which of the following is the richest source of Vitamin C ? Answer: Amla ………… is due to either the pancreas not producing enough insulin or the cells of the body not responding properly to the insulin produced. Answer: Diabetes Normal blood pressure of human body is approximately Answer: 120/80 mm Hg. Trachoma is a disease of the ……………….. Answer: Eye The richest source of vitamin D is …………… Answer: Cod liver oil During sleep a man’s blood pressure is ………….. Answer: Fluctuate …………..is provided by sunlight to the body Answer: Vitamin D Psoriasis is a disease connected with Answer: Skin Malaria is a disease which affect the ……………………….. Answer: Spleen Tuberculosis is an infectious ………………..disease Answer: Bacteria Humans are ………… Answer – Heterotrophs In seed plants, the immature male gametophyte is also known as ……………… Answer – Pollen Red blood cells and white blood cells are produced in ……………. Answer – Red bone marrow Fats and Oils are ……………………. Answer – Lipids Viruses are not responsible for which disease ? Answer – Malaria Which is the largest gland in the human body ? Answer – Liver Food is normally digested in the …………… Answer – Small intestines Ricketts is a disease of ………………. Answer – Bones Fats are stored within specialised cells called ………….. Answer – Adipocytes ………….of the Endocrine glands is known as master gland? Answer – Pituitary What is the approximate time required for a heartbeat ? Answer: 0.8s The metal present in insulin is …………………………. Answer: Zinc Which is used to prevent infections from the human body ? Answer: Vitamin C What is the name of first clones sheep ? Answer: Dolly Xerophthalmia is a disease caused by lack of ………………….. Answer: Vitamin A Which animal uses sounds as its eyes ? Answer: Bat Which organ of the body never rest ? Answer: Heart Angiotensinogen is a protein produced by …………………………. Answer: Liver cells The major energy currency molecule of the cell, is …………………………… Answer: ATP …………. is considered the biological clock of the body Answer: Pineal gland ………………. is a gaseous plant harmone Answer – Etylene Capsule of Tenon is associated with Answer – Eyeball A healthy man needs ………………….. calories per day Answer – 2500 Which of the following is not a part of the balanced diet ? Answer – Alcohol Jalpriya is a variety of …………………………. Answer – Paddy How many laminae are present in the grey matter of spinal cord ? Answer – 10 Reserpine is used to ………………………….. Answer – reduce high blood pressure Broca’s area in the left hemisphere of the brain is related with ……………………. Answer – Speech ………………… is also known as Christmas disease Answer – Haemophilia B ‘Bundle of His’ is a part of ……………………… Answer – Heart Pneumoconiosis is a disease of …………….. Answer: Lungs Which one of the following is a good source of nutritional Calcium ? Answer: Ragi In human beings, normally which one of the following parts does the sperm fertilize the ovum ? Answer: Fallopian Tube Which of the following belong to the genus Dalbergia ? Answer: Rosewood …………………… is another name of RDX Answer: Dextran Which types of light colours are strongly absorbed by plants ? Answer: Blue and Red Which of the following is not an ape ? Answer: Langur Which of the following is/are plant products ? Vanilla Chicory Camphor All of these Answer: All of these …………… has the highest energy Answer: Blue light Ethanol as a viable bio-fuel can be obtained from ……………. Corn Sugercane Maize Both 1 and 2 Answer: Both 1 and 2 Ames Test is used to diagnosis Answer: Carcinogenecity ……………. Test is used to identify plague Answer: Wayson stain test ELISA test is associated with Answer: AIDS The disease Syphilis is identified by ……………………. Answer: Wassermann test Tourniquet test is used to diagnosis which of the following disease ? Answer: Dengue ………………. for diagnosis of typhoid fevers Answer: Widal test Dick test is used to identify which type of fever ? Answer: Scarlet fever The disease Tuberculosis is identified by which test ? Answer: Montoux test Rose waller test is associated with Answer: Rheumatoid fever. Bilirubin blood test is used to diagnose …………. Answer: Jaundice MRI mean Answer – Magnetic Resonance Imaging Insects Responsible for transmitting disease are called ……………….. Answer – Vector Tamiflu is front line drug against …………… Answer – Bird Flu …………….. scientific name is Columba livia Answer – Pigeon The First successful heart transplantation was done by ………………….. Answer – CN Barnard …………………. helps to prevent infections in the human body Answer – Vitamin C An ECG show the functioning of the ………………… Answer – Heart Cell or tissue death within a living body is referred as …………….. Answer – Necrosis ………………… is an insufficient blood supply in human body Answer – Ischema Thalassemia is a hereditary disease. It affects ………… Answer – Blood
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