Question

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 of
Thyroxine
Adrenaline
Insulin
Glucagon
4. Over secretion of growth hormone results in this disorder.
Goitre
Dwarfism
Gigantism
Diabetes
5. The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is:
Thyroid
Pituitary
Adrenal
Pancreas
II. Choose the odd one from each of the following:
1. Broadening of shoulders, Voice deepens, Beard and moustaches ,Hip enlargement
Broadening of shoulders
Voice deepens
Beard and moustaches
Hip enlargement
2. Voice box, larynx, adam's apple , goitre
Voice box
larynx
adam's apple
goitre
3. Testosterone, insulin, oestrogen, progesterone.
Testosterone
insulin
oestrogen
progesterone
4. Prostate gland , cowper's gland, seminal vesicle , seminiferous tubules
Prostate gland
cowper's gland
seminal vesicle
seminiferous tubule
III. 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 : _____________
Childhood
Adolescence
2. Adrenal gland : Adrenaline :: Parathyroid gland : ____________
Thyroxine
Parathormone
3. Secondary sexual characters : Oestrogen :: Changes in body of Pregnant women : _____________
Testosterone
Progesterone
4. Male reproductive cells : Sperms :: Female reproductive cells : __________________.
Ovary
Ova
IV. 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 fertilisation
fertilisation
2. What is the total period of complete development of the foetus known as?
Implantation
Gestation
3. Name the lower part of the uterus.
Vagina
Cervix
4. What is the art of arriving at a true belief based on known facts called?
Rational thinking
Time management
5. What is the study of endocrine system known as?
Ornithology
Endocrinology
6. Name the two hormones produced in the pancreas.
Insulin and glycogen
Insulin and glucagon
7. Name the hormone secreted by adrenal cortex.
Adrenaline
Cortisone
8. Gland secreting thyroid stimulating hormone
Pituitary gland
Thyroid gland
V. 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, uterus
Vagina, cervix, oviduct, uterus, sperm
sperm, cervix, vagina, uterus, oviduct
sperm, vagina, cervix, uterus, oviduct
sperm, vagina, cervix, oviduct, uterus
2. Adrenal , thyroid , pituitary , parathyroid , pancreas.
Adrenal, pituitary, pancreas, parathyroid, thyroid
Pituitary, thyroid, parathyroid, pancreas, adrenal
Pituitary, parathyroid, thyroid, pancreas, adrenal
Pituitary, thyroid, parathyroid, adrenal, pancreas
VI. Mark True and False for the following statements:
1. Both urine and semen passes through the penis.
True
False
2. Thyroxine regulates the rate of metabolism.
True
False
3. Insulin shocks takes place in a person due to oversecretion of insulin.
True
False
Vll. Study the diagram given below and answer the following questions:
1. Name the system shown in the diagram.
Captionless Image
Reproductive system
Circulatory system
2. Name the part labelled 5 .
Ovary
Oviduct
3. Indicate the number which denotes the site of fertilisation.
4
5
6
4. Name the part labelled 8
Cervix
Vagina​

Answer 1

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.