Biology Question

Q16. The scientific study of how organisms interact with their environment is called
(a) Ecology
(b) Evolution
(c) Zoology
(d) None of the above

Q17. How many vertebrae found in human vertebral column
(a) 22
(b) 25
(c) 33
(d) 42

Q18. How many pair of chromosomes are found in a human cell
(a) 18
(b) 23
(c) 27
(d) 32

Q19. Which one is the longest bone in human body
(a) Tibia
(b) Fibula
(c) Radius
(d) Femur

Q20. Nitrogen fixation process in the soil is done by
(a) Virus
(b) Bacteria
(c) Fungi
(d) Protoza

Q21. Through Nitrogen fixation process nitrogen in the atmosphere is converted into
(a) Ammonium
(b) Hydroxide
(c) Nitrate
(d) Chlorite

Q22. Amoeba belongs to which group
(a) Protozoa
(b) Bacteria
(c) Fungi
(d) None of the above

Q23. Protein synthesis in a bacterial cell is done by
(a) Centrioles
(b) Flagella
(c) Thylakoids
(d) Ribosomes

Q24. Chromosomes contains
(a) Enzymes
(b) Proteins
(c) Phospholipids
(d) None of the above

Q25. The Radiocarbon dating process was presented by
(a) Willard Libby
(b) Martin Kamen
(c) Melvin Calvin
(d) Sam Ruben

Q26. The part of the stem of a plant from which a leaf, branch, or aerial root grows is known as
(a) Petiole
(b) Axil
(c) Node
(d) Axillary bud

Q27. Which one is the outermost layer of plant cells covering the stem, root, leaf, flower etc
(a) Epidermis
(b) Cortex
(c) Endodermis
(d) Phloem

Q28. The first root produced from a seed is known as
(a) Conical root
(b) Fusiform root
(c) Radicle
(d) None of the above

Q29. The main function of heamoglobin is
(a) Carries Oxygen
(b) Control Blood Pressure
(c) Produce hormones
(d) None of the above

Q30. Which one is the biggest part of the brain
(a) Thalamus
(b) Medulla
(c) Cerebellum
(d) Cerebrum

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