Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
46. Respiration of plants is through
(a) Arriers
(b) Gills
(c) Trachea
(d) Stomata
47. Which of the following pairs has open type of circulatory system
(a) Cockroach and Silverfish
(b) Man and Whale
(c) Earthworm and Leech
(d) Tadpole larva and Fish
48. The outermost layer of skin is known as
(a) Epidermis
(b) Epiglottis
(c) Ligament
(d) Cartilage
49. Nuclear membrane is absent in
(a) Prokaryotes
(b) Eukaryotes
(c) Protozoan
(d) All of them
50. The cell that lacks a nucleus is
(a) Flame cell
(b) Spermatozoan
(c) Red blood cell of man
(d) White blood cell
51. How many ribs does a human have
(a) 22
(b) 24
(c) 26
(d) 28
52. Which of the following is known as “graveyard’ of Red Blood Cells
(a) Spleen
(b) Liver
(c) Bone marrow
(d) Appendix
53. Bacterial infections in humans can be treated with which medicine
(a) Antibiotics
(b) Mycology
(c) Photosynthesis
(d) Extinction
54. The shortest bone in the human body is the
(a) Vertebrae
(b) Stapes
(c) Phalange
(d) Metacarpal
55. Which of the following prays an important part in photosynthesis
(a) Chloroplast
(b) Centrosome
(c) Tonoplast
(d) Nematoblast
56. Which is the longest cell
(a) Red Blood cell
(b) Monocyte
(c) Lymphocyte
(d) Nerve cell
57. Which of the following plant eat insects
(a) Urn plant
(b) Pitcher plant
(c) Cacti
(d) Ribbon plant
58. Human blood contains____ percentage of plasma
(a) 35%
(b) 40%
(c) 50%
(d) 65%
59. The endocrine system chemically controls the various functions of cells, tissues, and organs through the secretion of
(a) Enzymes
(b) Lipids
(c) Hormones
(d) Vitamins
60. The union of a sperm and an egg is called
(a) Reduction
(b) Meiosis
(c) Fertilization
(d) Germination
