Everyday science
Q 1. Which is the largest excretory organ of the body ?
A. lungs
*B. skin*
C. liver
D. none of these
Q 2. The brain is enclosed in a bony case called ?
A. diaphragam
B. vertebral column
*C. cranium*
D. vertebrae.
Q 3. Which is the bone that is present in forelimb.
*A. radius*
B. femur
C. ribs
D. sternum.
Q 4. Which one is herbivore
A. cat
B. dog
*C. cow*
D. lion
Q 5. Which structure helps in transport of water in plants?
A. phloem
B. leaf
C. bark
*D. xylem.*
Q 6. The organisms that can make their own food are called.
*A. producers*
B. consumers
C. secondary consumers D. decomposers.
Q 7. Bacteria are?
A. eukaryotes
*B. prokaryotes*
C. non-living
D. none of these.
Q 8. Bile juice is secreted by
A. pancreas
B. stomach
C. intestine
*D. gall bladder.*
Q 9. Which part of the blood cells provide immunity.
A. RBC
*B. WBC*
C. platelet
D. blood plasma.
Q 10. Which structure prevent water loss in plants
*A. cuticle*
B. bark
C. mesophyll
D. leaf.
Q 11. DNA structure was first described by ?
A. Pasteur
B. Robert Koch
*C. Watson and Crick*
D. Carlous Linnaues.
Q 12. Pollination is best defined as.
A. germination of pollen grains
*B. transfer of pollen from anther to stigma*
C. formation of pollen grains
D. none of these.
Q 13. Movement of cell against concentration gradient is:
*A. active transport*
B. osmosis
C. diffusion
D. both b and e
Q 14. One of the following is not a function of bones
A. support
B. production of blood cells
*C. protein synthesis*
D. muscle attachment.
Q 15. Plants absorb most part of water needed by them through their
A. stem
*B. root hairs*
C. leaf
D. bark.
Q 16. Highly intelligent mammals are.
A. rat
B. bat
*C. dolphin*
D. elephant.
Q 17. Process of cell division take place by
*A. mitosis*
B. fertilization
C. reproduction.
Q 18. Prokaryotic cell lack
A. nucleolus
B. nuclear membrane
*C. both a and b*
D. none of these
219. Pulses are a good source of?
*A. proteins*
B. carbohydrates
C. vitamins
D. minerals.
Q 20. Plants that grow in dry habitat are called?
A. hydrophytes
*B. xerophytes*
C. shrubs
D. herbs.
Q 21. Oxygen released in the process of photosynthesis comes from.
*A. water*
B. oxygen
C. carbon dioxide.
Q 22. Phloem tissue is found in
A. liver
B. placenta
*C. plants*
D. none of these.
Q 23. Plant bends towards the source of light on account of the movement known as ?
A. geotropism
B. hydrotropism
C. chemotropism
*D. phototropism.*
Q 24. Animal lacks
A. starch
*B. cellulose*
C. protein
D. lipids.
Q 25. On which of the following plants did Gregor Mendal perform his classical experiment
A. corn
B. mustard
*C. pea*
D. sunflower
Q 26. Among the biotic components of the ecosystem, the producer system is
A. carnivores
B. herbivores
*C. plants*
D. animals.
Q 27. Breeding and management of bees is known
A. agriculture
B. sericulture
C. horticulture
*D. apiculture.*
Q 28. Study of fossils is called
A. psychology
*B. paleontology*
C. biodiversity
D. haematology.
Q 29. Which is an example of fungi
A. paramecium
B. euglena
*C. penicillium*
D. octopus.
Q 30. The scientific name of human is
*A. Homo sapiens*
B. Homo habiscus
C. Oriza sativa.
Q 31. Thread like structures in fungi are called
A. mycelium
*B. hyphae*
C. sporangium
D. spores.
Q 32. The smallest bacteria on earth is
*A. mycoplasma*
B. E.coli
C. salmonella
D. clostridium.
Q 33. Vaccine for rabies was developed by
A. Robert Koch
B. Robert Brown
*C. Pasteur*
D. none of these.
Q 34. Malaria is caused by
A. mosquito
*B. plasmodium*
C. virus
D. bacteria.
Q 35. Hepatitis is inflammation of
A. stomach
B. kidney
C. lungs
*D. liver.*
Q 36. Penicillin is obtained from
A. soil
B. bacteria
*C. fungi*
D. virus.
Q 37. Which one is endoparasite
A. lice
B. ticks.
C. virus
*D. tape worm*
Q 38. Fructose is
*A. pentose sugar*
B. hexose sugar
C. heptose sugar
D. none of these.
Q 39. Peptide bond is a.
A. C-N link
*B. N-H link*
C. C-O link
D. N-O link.
Q 40. Which is correct about enzymes
A. protein in nature
B. speed up reaction
C. denature at high temperature
*D. all of these.*
Q 41. Which is called power house of the cell.
A. golgi complex
*B. mitochondria*
C. nucleus
D. endoplasmic reticulum.
Q 42. The structure that is absent in animal cell.
*A. cell wall*
B. nulcleus
C. centriole
D. mitochondria.
Q 43. The non-protein part of enzyme is called.
A. co-enzyme
B. activator
*C. cofactor*
D. substrate.
Q 44. Nucleic acid were first isolated by
A. Erwin Chargaff
*B. Friedrich Miescher*
C. Rosalind Franklin
D. none of these
Q 45. One of the following is not pyrimidine
A. thymine
B. cytosine
*C. guanine*
D. uracil.
Q 46. Fructose is
A. milk sugar
B. cereal sugar
C. aldo sugar
*D. keto sugar*
Q 47. Group of tissues doing a particular job
*A. organ*
B. system
C. organelle
D. individual
Q 48. Members of the same species living in the same place at the same time make
A. populatio
B. ecosystem
*C. community*
D. trophic level
Q 49. Which one is a leukocyte
A. red blood cell
B. plasma cell
*C. monocyte*
D. all of these
Q 50. Which one of the following contain deoxygenated blood
*A. pulmonary artery*
B. hepatic artery
C. left atrium
Q 51. In most plants the food is transported in form of
A. fructose
*B. sucrose*
C. starch
D. glucose
Q 52. How many molecules of carbon dioxide are formed in one Kreb's cycle
A. 2
B. 4
*C. 6*
D. 1.
Q 53. Which enzyme digest carbohydrates.
A. lipase
B. proteases
*C. amylases*
D. none of these.
Q 54. The pancreas produce digestive enzymes and release in the
A. stomach
B. esophagus
C. large intestine
*D. small intestine.*
Q 55. Detail study of internal organs at level of tissue with the help of microscope is called.
*A. histology*
B. anatomy
C. physiology
D. embryology.
Q 56. The exchange of chromosal segments i.e.crossing over occurs during
*A. first meiotic division*
B. mitotic division
C. second meiotic division
D. none of these
Q 57. Many bacteria in our digestive system synthesize vitamins for example vitamin
A. B1
B. B2
*C. B12*
D. B6.
Q 58. It is very serious disease of brain which is caused by fungi
A. ring worm
*B. meningitis*
C. hepatitis
D. none of these
Q 59. They are widespread as protective coatings on fruits and leaves.
A. cholesterol
*B. waxes*
C. chitin
D. all of these.
Q 60. They are present in the underground parts of the plants and stored food
*A. leucoplast*
B. chromoplast
C. chloroplast
D. stem
Q 61. The simplest amino acid is
A. alanine
*B. glycine*
C. D. phenylalanine.
Q 62. Accumulation of lipid molecules in brain cells lead to
A. paralysis
B. oedema
*C. mental retardation*
D. all of these.
Q 63. The life and activities of a cell is controlled by
A. cytoplasm
*B. nucleus*
C. vacuole
D. mitochondria.
Q 64. Flagella are composed of
*A. micro tubules*
B. micro filaments
C. intermediate filaments
Q 65. Tobacco mosaic virus was erystallized by
A. Pasteur
B. Chamberland
*C. Stanely.*
Q 66. Non-enveloped naked viruses are known as.
A. prions
B. bacteriophages
C. oncoviruses
*D. virions.*
Q 67. Gram +ve bacteria on treatment with crystal violet dye give colour
A. red
B. green
*C. purple.*
Q 68. Malarial parasite is injected into man as
*A. sporozoites*
B. merozoites
C. zygote
D. none of these
Q 69. The terms procariotique and eucariotique were proposed by
A. Whittaker
*B. Chatton*
C. Haeckel
D. Margulis and Schwartz
Q 70. The most common type of asexual reproduction in the fungi is
A. fragmentation
*B. spore production*
C. budding
D. binary fission.
Q 71. Outside the thallus of Marchantia there are special structures called
A. stem tuber
*B. rhizoids*
C. sporangium
D. none of these
Q 72. The vascular plants are termed as
*A. tracheophytes*
B. bryophytes
C. pteridophytes
D. all of these
Q 73. In human beings influenza is caused by
A. bacteria
B. protist
*C. virus*
D. fungi.
Q 74. In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen
A. echinodermata
B. mollusca
C. nematoda
*D. Arthropoda.*
Q 75. Snails belong to
*A. gastropods*
B. bivalves
C. arthropods
Q 76. Amoeba moves in water with the help of locomotory organs called
A. tube feet
B. cilia
*C. pseudopodia*
D. flagella
Q 77. Liver fluke is parasite in the liver of
A. cattle
B. sheep
C. goat
*D. all of these*
Q 78. In all coelentrates endoderm give rise to
A. nervous system
*B. digestive system*
C. reproductive system
D. circulatory system
Q 79. Higher vascular plants are also called
A. flowering plants
*B. seed plants*
C. ferns
D. none of these
Q 80. The plants which produce embryo but lack vascular tissues and seeds are placed in
*A. bryophytes*
B. pteridophytes
C. tracheophytes
D. all of these
Q 81. Which bone is called beauty bone in women
A. sternum
*B. clavicle*
C. maxilla
D. radius
Q 82. Detachment of myosin head and actin in rigor mortis occurs due to
A. stored ATP in body
B. hypercalcemia
*C. autolysis in body*
D. hyperactivity of mitochondria
Q 83. Release of the ovum from ovary is called
A. fertilization
*B. ovulation*
C. implantation
D. none of these
Q 84. The foetus is protected from the mechanical damage by the
A. cervix
B. vagina
C. uterus
*D. amniotic fluid*
Q 85. Rich source of energy in seimen is
*A. glucose*
B. fructose
C. lactose
D. sacrose
Q 86. Sickle cell anemia was discovered by
*A. Vernon Ingram*
B. Sanger
C. Miescher
D. none of these.
Q 87. Earthworm lives in
A. sea water
*B. moist soil*
C. fresh water
D. none of these
Q 88. Kangaroo has an abdominal pouch known as
A. placenta
B. guttural pouch
*C. marsupial*
D. all of these.
Q 89. The utilization of the products of digestion is called
A. ingestion
B. absorption
*C. assimilation*
D. both a and b.
Q 90. Parabronchi are present in
A. cockroach
B. frog
C. fish
*D. birds.*
Q 91. The respiratory problem common in smokers is
A. tuberculosis
*B. emphysema*
C. asthma
D. cancer.
Q 92. Water potential of pure water is
*A. zero*
B. one
C. negative
D. two
Q 93. Bean shaped cells in plants are
A. mesophyll cells
B. xylem cells
C. phloem cells
*D. guard cells.*
Q 94. The normal pH of human blood is
A. 6.4
B. 7.0
*C. 7.4*
D. 7-5
Q 95. Shrinkage of protoplast due to exosmosis of water is
A. imbibition
*B. plasmolysis*
C. deplasmolysis
D. adhesion.
Q 96. Artherosclerosis is a major condition leading to
*A. heart attack*
B. hypertension
C. stroke
D. Tumor
Q 97. Villi and microvilli increase
A. digestion
B. assimilation
*C. absorption*
D. ingestion
Q 98. Splitting of glucose relates to
A. respiration
B. photorespiration
*C. glycolysis*
D. pyruvic acid
Q 99. Reptiles hibernate during
A. summer
*B. winter*
C. spring
D. autumn
Q 100. Which of the following plants are called arthrophytes
*A. sphenopsids*
B. lycopsids
C. psilopsids
D. pteropsids.
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