Author: Reese Bannister

40 Questions with Answers and Explanations on “Animal Tissue” for Biology Students.1. Lamina propria is connected with (a) acini Image Source: i.ytimg.com ADVERTISEMENTS: (b) liver(c) graafian follicle(d) intestine. ADVERTISEMENTS: Answer and Explanation: 1. (d): It is the middle layer of 3 layered Mucosa (outer muscularis mucosa, middle lamina propria and inner simple colunar epithelium) of intestine. It is made up of a highly vascular connective tissue containing lymphatic nodules.2. Lymph differs from blood in possessing (a) only WBC ADVERTISEMENTS: (b) more RBC and WBC(c) more RBC and few WBC(d) more WBC and few RBC.Answer and Explanation: 2. (a): Lymph is a colourless, mobile, fluid connective tissue. The lymph is usually a clear, transparent fluid. It consists of two parts: a fluid matrix, the plasma, in which float amoeboid cells, the…

57 Questions with Answers and Explanations on “Digestive System and Nutrition” for Biology Students.1. Duct leading from parotid gland and opening into vestibule is (a) Haversian duct Image Source: 40two.info ADVERTISEMENTS: (b) Stenson’s duct(c) Wolffian duct(d) infra-orbital duct. ADVERTISEMENTS: Answer and Explanation:1. (b): Parotid glands are the largest salivary glands. They lie on the sides of the face, just below and in front of the ears. The parotid ducts, also called Stenson’s ducts, open into the vestibule opposite the upper second molar teeth.2. Wharton’s duct is associated with (a) sublingual salivary gland ADVERTISEMENTS: (b) parotid salivary gland(c) submaxillary salivary gland(d) Brunner’s glands.Answer and Explanation:2. (c): The Wharton’s ducts are associated with submaxillary glands that lie at the angles of the lower jaw. These ducts open under the tongue. Ducts of…

47 Questions with Answers and Explanations on “Reproduction & Embryonic Development” for Biology Students.1. Cells become variable in morphology and function in different regions of the embryo. The process is (a) differentiation Image Source: mba.ac.uk ADVERTISEMENTS: (b) metamorphosis(c) organisation(d) rearrangement ADVERTISEMENTS: Answer and Explanation:1. (a): Differentiation are the changes from simple to more complex forms undergone by developing tissues and organs so that they become specialized for particular functions. Differentiation occurs during embryonic development and regeneration.2. Human eggs are (a) alecithal ADVERTISEMENTS: (b) microlecithal(c) mesolecithal(d) macrolecithalAnswer and Explanation:2. (a): Eggs are of 4 types regarding the amount of yolk present in them: (i) Alecithal egg: Almost free of yolk e.g. man.(ii) Microlecithal egg: Very small amount of yolk e.g. Branchiostoma.(iii) Mesolecithal egg: Moderate amount of yolk eg. Frog’s egg(iv) Macrolecithal…