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Some nephron have very long loop of Henl...

Some nephron have very long loop of Henle that run deep into the medulla and are called ……..

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juxta medullary nephrons
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Assertion: Nephrons are of two types: cortical and juxtamedullary according to their relative position in the cortex. Reason, Juxtamedullary nephrons have short loop of Henle while cortical nephrons have long loop of Henle.

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Read the given passage and answer the questions that follows: Rhodinus, a blood-sucking bug, shows five instars before it metamorphoses into an adult. It ahs a very long head with the brain located at tip and an organ called Corpora Cardiaca (C C) behind it. The hormone that ensures the continuum of the juvenile stages is called a juvenile hormone. Behind the head is a pro - thoracic gland, which gets triggered by the Pro - Thoracico - Tropic Hormone (PTTH) to release ecdysone required for molting into an adult. The following observations were made when the juveniles of this insect were subjected to various conditions : 1. Starved juveniles (any instar) when decapitated rarr remained juveniles and did not molt into adults. 2. Well-fed juveniles (any instar) when decapitated rarr molted into adults. 3. Starved juveniles (any instar) when partially decapitated to remove the brain cells rarr remained juveniles and did not molt into adults. 4. Well - fed juveniles (any instar) when partially deitated to remove the brain cells rarr did not molt into adults. If an unfed, completely decapitated, fth (final) instar juvenile is connected to a well-fed, decapitated fourth instar juvenile by a glass tube so that fluids can be exchanged, what whill be the expected result ?

The magnetic field inside a tightly wound, long solenoid is B= (mu_0)ni . It suggests that the field does not depend on the total length of the solenoid, and hence if we add more loops at the ends of a solenoid the field should not increase. Explain qualitatively why the extra added loops do not have a considerable effect on the field inside the solenoid.

How are nephrons classified based on the length of Henle’s loop?

Embryosac is otherwise known as female gametophyte. The body of the ovule between the chalaza and embryo sac is called hypostase. Tenuinucellate ovules have very small nucellus. The ovule with one integument said to be monosporic.

Gravitational waves: Waves are created on the surface of water when we drop a stone into it. Similarly you must have seen the waves generated on a string when both its ends are held in hand and it is shaken. Light is also a type of wave called the electromagnetic wave. Gamma rays, X-rays, ultraviolet rays, infrared rays, microwave and radio waves are all different types of electromagnetic waves. Astronomical objects emit these waves and we receive them using our instruments. All our knowledge about the universe has been obtained through these waves. Gravitational waves are a very different type of waves. They have been called the waves on the fabric of space-time. Insteine predicted their existence in 1916. These waves are very weak and it is very difficult to detect them. Scientists have constructed extremely sensitive instruments to detect the gravitational waves emitted by astronomical sources. Among these, LIGO (Laser Interferometrc Gravitational Wave Observatory) is the prominent one. Exactly after hundred years of their prediction, scientists detected these waves coming from an astronomical source. Indian scientist have contributed significantly in this discovery. This discovery has opened a new path to obtain information about the Universe. What are the different types of electro magnetic waves?

Gravitational waves: Waves are created on the surface of water when we drop a stone into it. Similarly you must have seen the waves generated on a string when both its ends are held in hand and it is shaken. Light is also a type of wave called the electromagnetic wave. Gamma rays, X-rays, ultraviolet rays, infrared rays, microwave and radio waves are all different types of electromagnetic waves. Astronomical objects emit these waves and we receive them using our instruments. All our knowledge about the universe has been obtained through these waves. Gravitational waves are a very different type of waves. They have been called the waves on the fabric of space-time. Insteine predicted their existence in 1916. These waves are very weak and it is very difficult to detect them. Scientists have constructed extremely sensitive instruments to detect the gravitational waves emitted by astronomical sources. Among these, LIGO (Laser Interferometrc Gravitational Wave Observatory) is the prominent one. Exactly after hundred years of their prediction, scientists detected these waves coming from an astronomical source. Indian scientist have contributed significantly inthis discovery. This discovery has opened a new path to obtain information about the Universe. What is the device, used to detect GRavitational waves?

A bar magnet is released from rest along the axis of a very long, vertical copper tube. After some time the magnet.

FULL MARKS-EXCRETION-ADDITIONAL QUESTIONS SOLVED ( FILL IN THE BLANKS ):
  1. The urinary bladder opens into .........

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  2. The Bowman's capsule and the glomerulus together constitute the ......

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  3. Some nephron have very long loop of Henle that run deep into the medul...

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  4. The nitrogenous waste formed as a result of breakdown of amino acids i...

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  5. The filtration of blood that takes place in the ....

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  6. The fluid that leaves the glomerular capillaries and enters the Bowman...

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  7. Sodium is reabsorbed by ........... ..... in the proximal convoluted T...

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  8. Descending limb of Henle's loop is permeable to water due the presence...

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  9. Reabsorption of ....................... ions regulates the pH of blood...

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  10. .................... is the hormone that facilitates reabsorption of w...

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  11. The under secretion of ADH leads to ……..

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  12. the granular cells of afferent arteriole secrete an enzyme called .......

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  13. Renin converts ..................... into angiotensin I.

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  14. Atrial Natriuretic Peptide or factor decreases release of ...............

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  15. The process of release of urine from the bladder is called ………

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  16. The yellow colour of the urine is due to the presence of a pigment, .....

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  17. The presence of ketone bodies in the urine is called ...

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  18. ..................... is characterized by increase in urea and other n...

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  19. The formation of hard stone like masses in the renal tubules of renal ...

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  20. Renal calculi is due to accumulation of soluble crystals of .............

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