Question 2611 In animals coordination is achieved by means of? A) Respiratory system B) Nervous system C) Endocrine system D) Both b and c No Details
Question 2612 A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as? A) An organ B) An organism C) A Tissue D) A Cell No Details
Question 2613 Which one is a micromolecule? A) Polysaccharide B) Protein C) Hemoglobin D) ATP No Details
Question 2614 The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called? A) An organ B) A molecule C) Tissue D) Both a and c No Details
Question 2615 Oxygen accounts for ____ % of totals human body mass? A) 65% B) 18% C) 10% D) 3% No Details
Question 2616 Out of 92 naturally occurring chemical elements how many are considered as bio-elements? A) 6 B) 16 C) 26 D) 15 No Details
Question 2617 The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called? A) Environmental biology B) Social biology C) Human biology D) Both b and c No Details
Question 2618 Sythetic insulin from pork was formed by which technique? A) Parasitology B) Social biological techniques C) Biotechnology D) Both a and c No Details
Question 2619 The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by? A) Molecular biologists B) Microbiologists C) Freshwater biologists D) Social biologist No Details
Question 2620 The study of fossils is called? A) Environmental Biology B) Historical biology C) Palaeontology D) Social biology No Details