Description : How important is the presence of air bladder in Pisces? -Biology
Last Answer : answer:
Description : Most fish do not sink in water because of the presence of: swim bladder; air bladder; air sacs; air in spongy bones?
Last Answer : Iand II are correct
Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.
Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)
Last Answer : (a) (ii) (iii) (iv) (i)
Description : Air bladder in fish acts as : (1) Accessory respiratory organ (2) Hydrostatic organ (3) Both accessory respiratory organ and hydrostatic organ (4) Primary respiratory organ
Last Answer : Hydrostatic organ
Description : Most fish do not sink in water because of the presence of (1) air sinuses (2) buoyant scales on the body (3) swim bladder (4) swimmerets
Last Answer : swim bladder
Description : (a) Draw a diagram depicting Human Alimentary Canal and label on it: Gall bladder, Liver and Pancreas. (b) State the roles of Liver and Pancreas. (c) Name the organ which performs the following functions in humans: (i) Absorption of digested food (ii) Absorption of water. -Biology
Last Answer : Answer.(a) (b) Liver: It synthesize and store bile juice secreted by gall bladder which breaks down fats into fat globules. (c) The organ which performs the following functions in humans are as ... * (i) Absorption of digested food - Small intestine. (ii)Absorption of water - Large intestine.
Description : (a) Draw a diagram of excretory system in human beings and label the following parts. Aorta, kidney, urinary bladder and urethra.(b) How is urine produced and eliminated ? -Biology
Last Answer : Answer.(a) (b) Blood from the heart comes into the kidneys afferent and efferent arteriols from the renal arteries where it enters about 2-3 million nephrons per kidney. Then, it goes through the ... goes through ureters to bladder and then to urethra where it is excreted out of body as urine.
Description : Draw a diagram of human excretory system and label renal artery and urethra. State in brief the function of : renal artery kidney ureter urinary bladder -Biology
Last Answer : Answer. Renal artery: The renal artery carries blood to the kidneys from the abdominal aorta. This blood comes directly from the heart and is sent to the-kidneys to be filtered before it passes ... expandable muscular sac that stores urine before it is excreted out of the body through the urethra.
Description : If stretch receptors are removed from urinary bladder than how will micturition continue? -Biology
Description : Does gall bladder make bile? -Biology