Page 99 - EM BIOLOGY NOTES 10TH CLASS PSR DIGITAL BOOKS

WHO AM I ?

1. I have tough fibrous coat, lumen and valves. Who am I ?
2. I am present in saliva. I turn complex carbohydrates into simple ones. Who am I ?
3. I am special compound for the storage of energy, which is released from the breakdown of
glucose. I am called energy currency. Who am I ?
4. I am a plant. I can’t prepare food because chlorophyll is absent in me. Who am I ?
5. I respire through skin, lungs and bucco pharyngal cavity. Who am I ?

6. I am like a flap like structure. I am present in pharynx. I protects the tube to the lungs,
arresting entry of food. Who am I ?

7. I am present in the bark of cinchona officinalis. I am a cure for Malaria. Who am I ?
8. I come from posterior part of the heart. I collect blood from hand and legs of the body. Who
am I ?
9. I am a connecting link between the afferent and efferent nerves. I am present in spinal
card. Who am I ?
10. I am tiny finger like projections grow from the surface of the outer membrane of the em-
bryo. My tissues and adjacent part of the uterine tissue make up the placenta. Who am I ?
11. I am a highly coiled tube located along the posterior side of testis. Sperms are stored in me.
Who am I ?
12. I studied the veins in the leg. I noticed that they had small valves in them. Who was I ?
13. I am a hormone. I am secreted when you feel your stomach is full and there is no need of
food any more.
14. To test the presence of carbohydrates in a leaf I am used. I turn the leaf into blue-black
colour. Who am I ?
15. All arteries carry oxygenated blood. But I carry de-oxygenated blood. Who am I ?
16. While a person is taking rest, if he has more blood pressure than normal I am present. Who
am I ?
17. To prove food transport occurs through phloem, biologists conducted experiments on me.
Who am I ?
18. I add yellow colour to urine, when haemoglobin is destroyed. Who am I ?
19. To prevent blood clot in dialysis, I am mixed with blood and sent to dialyzer. I act as antico-
agulant. Who am I ?
20. Bio-diesel is made from the seeds of me and used as bio-fuel. Who am I ?
21. I am the functional region of contact between two neurons, where information from one
neuron is transmitted to another neuron. Who am I ?

22. I am the centre for certain emotions such as anger, pain happiness. Who am I ?
23. I am a tissue. I am formed at around 12 weeks of pregnancy and becomes an important
structure for nourishment of the embryo. Who am I ?
24. Bacteria present in the intestine synthesizes me. My deficiency causes pernicious anaemia.
Who am I ?
25. When blood flows out, the platelets release me. I am an enzyme. I play a vital role in blood
coagulation. Who am I ?
26. I am a hormone. When sugar levels are higher than normal I am released and bring down
the sugar levels to normal. I am present in pancreas. Who am I ?

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