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Study the following statements about the human excretory system. I. The waste materials dissolved in water are separated in the kidney as urine. II. Urine is stored in the bladder. It is passed out through the urethra, the other end of which is attached to the urinary aperture. III. Urine passes into the bladder through the urinary ducts. IV. Useful substances are reabsorbed into the blood. V. Blood containing both useful and harmful substances reaches the kidneys for filtration. The correct sequence of processes given in the above statements is:
One test tube contains some chemical and another test tube contains an equal quantity of water. To prepare a solution, 20 g of the chemical is poured into the second test tube. Then, two-thirds of the formed solution is poured from the second test tube into the first. If the fluid in the first test tube is four times that in second, what quantity of water was taken initially.
Consider the following statements regarding the embryological evidences for evolution and choose the correct answer:
1. Algae are much advanced than mosses and ferns
2. Protonema of mosses resemble certain green algae
3. Both bryophytes and pteridophytes have ciliated sperms and require water for fertilization
4. Gymnosperms do not need water for fertilization
5. Cycads and Gingko, the primitive gymnosperms, have ciliated sperms like the pteridophytes
Which of the following statements is are correct? 1. The testes are situated outside the abdominal cavity within a pouch called the scrotum. 2. The scrotum helps in maintaining the high temperature of the testes (higher than the normal internal body temperature) necessary for spermatogenesis.
The right testes is located 1cm lower than the left testes.
Air flows through a 10 cm internal diameter tube at the rate of 75 kg/hr. Measurements indicate that at a particular point in the tube, the pressure and temperature of air are 1.5 bar and 325 K whilst the tube wall temperature is 375 K. Find heat transfer rate from one meter length in the region of this point The general non-dimensional correlation for turbulent flow in the tube is Nu = 0.023 (Re) 0.8 (Pr) 0.4 Where the fluid properties are evaluated at the bulk temperature
Which of the following foetal membranes functions as embryonic urinary bladder?
Select the duct which takes the urine out from the urinary bladder to the outside of the body.
Which of the following are the parts of Human excretory system? a. Kidney b. Urinary Bladder c. Urethra d. Liver
Urine is stored in the urinary bladder until which of the following?