1.

1. If the fallopian tubes are blocked, the process of fertilization becomes easy. The statement is correct.The statement is incorrect because fallopian tubes are the site of fertilization and a blocked fallopian tube will prevent fertilization.The statement is incorrect because the fallopian tube has nothing to do with the process of fertilization.The statement is incorrect because fertilization can even occur outside the fallopian tubes.2. Due to medical reasons , a lady's uterus has to be removed.Is it possible for her to gestate the foetus?Yes, because the foetus can develop inside the fallopian tube.No, because the foetus can only develop inside the uterus.Yes, because the uterus does not play an important role in the development of foetus.No, because the foetus can develop inside the ovaries.3. Tania was going on the stage for a piano recital. Before the performance she found that her heartbeat had increased along with the rate of respiration. Her sister Mia told her that the symptoms are due to secretion ofThyroxineAdrenalineInsulinGlucagon4. Over secretion of growth hormone results in this disorder.GoitreDwarfismGigantismDiabetes5. The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is: ThyroidPituitaryAdrenalPancreasII. Choose the odd one from each of the following:1. Broadening of shoulders, Voice deepens, Beard and moustaches ,Hip enlargementBroadening of shouldersVoice deepensBeard and moustachesHip enlargement2. Voice box, larynx, adam's apple , goitreVoice boxlarynxadam's applegoitre3. Testosterone, insulin, oestrogen, progesterone.Testosteroneinsulinoestrogenprogesterone4. Prostate gland , cowper's gland, seminal vesicle , seminiferous tubulesProstate glandcowper's glandseminal vesicleseminiferous tubuleIII. The first pair in the following list indicates the kind of relationship that exists between both the terms. Rewrite and complete the second pair on a similar basis:1. Period of sexual maturation : Puberty :: Period of physical and psychological development : _____________ChildhoodAdolescence2. Adrenal gland : Adrenaline :: Parathyroid gland : ____________ThyroxineParathormone3. Secondary sexual characters : Oestrogen :: Changes in body of Pregnant women : _____________TestosteroneProgesterone4. Male reproductive cells : Sperms :: Female reproductive cells : __________________.OvaryOvaIV. Give one word for the following:1. Name the technique in which an egg is fertilized by a sperm outside the body of the female.In vitro fertilisationfertilisation2. What is the total period of complete development of the foetus known as?ImplantationGestation3. Name the lower part of the uterus.VaginaCervix4. What is the art of arriving at a true belief based on known facts called?Rational thinkingTime management5. What is the study of endocrine system known as?OrnithologyEndocrinology6. Name the two hormones produced in the pancreas.Insulin and glycogenInsulin and glucagon7. Name the hormone secreted by adrenal cortex.AdrenalineCortisone8. Gland secreting thyroid stimulating hormonePituitary glandThyroid glandV. Given below are five sets of terms. In each case arrange and rewrite each set so as to be in a logical sequence.1. Vagina, sperm, cervix, oviduct, uterusVagina, cervix, oviduct, uterus, spermsperm, cervix, vagina, uterus, oviductsperm, vagina, cervix, uterus, oviductsperm, vagina, cervix, oviduct, uterus2. Adrenal , thyroid , pituitary , parathyroid , pancreas.Adrenal, pituitary, pancreas, parathyroid, thyroidPituitary, thyroid, parathyroid, pancreas, adrenalPituitary, parathyroid, thyroid, pancreas, adrenalPituitary, thyroid, parathyroid, adrenal, pancreasVI. Mark True and False for the following statements:1. Both urine and semen passes through the penis.TrueFalse2. Thyroxine regulates the rate of metabolism.TrueFalse3. Insulin shocks takes place in a person due to oversecretion of insulin. TrueFalseVll. Study the diagram given below and answer the following questions:1. Name the system shown in the diagram.Captionless ImageReproductive systemCirculatory system2. Name the part labelled 5 .OvaryOviduct3. Indicate the number which denotes the site of fertilisation.4564. Name the part labelled 8CervixVagina​

Answer»

ong>ANSWER:

* Improves soil aeration.

* Enriches soil with micro-organisms.

* Microbial activity in worm castings is 10 to 20 TIMES higher than in the soil and ORGANIC matter that the worm ingests.

* Attracts deep-burrowing EARTHWORMS already PRESENT in the soil.

* Improves water holding capacity.

Explanation:

* Improves soil aeration.

* Enriches soil with micro-organisms.

* Microbial activity in worm castings is 10 to 20 times higher than in the soil and organic matter that the worm ingests.

* Attracts deep-burrowing earthworms already present in the soil.

* Improves water holding capacity.



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