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 NTERNAT ONAL ND AN SCHOOL R YADH

B OLOGY FA 2 WORKSHEET 2014-15

Xth STD – TRANSPORTAT ON N HUAN BE NGS

ANSWER THE FOLLOW NG !UEST ONS"

1.What is the function of blood in our bodies?2.What are the dierent components of blood?3.Mention the function of plasma and red blood

cells?

4.How many chambers does the human hearthave? ame them.

!."e#ne blood pressure.$.ame the instrument with which blood

pressure is measured.%."ierentiate between systolic and diastolic

pressure.&.Why do the ventricles have thic' muscular

walls than the atria?(.What is double circulation?

  1).ame the smallest blood vessels which have

one cell thic' walls.

  11. What is the function of platelets?

  12. What is lymph?What is its function in humanbein*s?

  13. How many chambered heart is present in

#shes and amphibians?

  14. "ierentiate between arteries and veins.

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 BOYS SECT ON

 NTERNAT ONAL ND AN SCHOOL R YADH

B OLOGY SA 1 WORKSHEET 2014-15

Xth STD

ANSWER THE FOLLOW NG !UEST ONS"

1. Defne lie processes.2. Distinguish between autotrophic and heterotrophic nutrition.3. What are the dierent types o heterotrophic nutrition and

defne them.4. What are enzymes!. "ame the cell organelle that contains chlorophyll.#. $ow does the opening and closing o stomata regulated by

guard cells%. "ame the enzyme present in sali&a.'. "ame the mo&ement that occurs all along the gut to push

the ood orward.(. What are the secretions o gastric glands1). Why do herbi&ores need longer small intestine than

carni&ores11. "ame the 3*+c, compound ormed when glucose is

bro-en down during respiration.12. Defne ermentation.13. What is /0 $ow much energy does a single molecule

release14. "ame the respiratory pigment present in human

beings.

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1!. Why does the diusion process not wor- to mo&e

oygen in our body1#. "ame the tissue responsible or transport o water and

ood in plants.

1%. Defne transpiration and describe its unctions.1'. "ame the process by which the unicellular organisms

remo&e their wastes rom the body1(. What are nephrons and what are their main parts2). Defne ecretion.21. Defne blood pressure22. What is double circulation23. Dierentiate between systolic and diastolic pressure.24. What are the dierent components o blood

2!. Why do the &entricles ha&e thic- muscular walls thanthe atria2#. Dierentiate between arteries and &eins.2%. Describe the unctions o plasma and platelets.2'. What are gustatory and olactory receptors2(. What is ree arc3). "ame the part o the human brain which is specialized

or hearingsmelling sight and thin-ing31. "ame the dierent plant hormones and describe their

unctions.32. "ame the part o the human brain that is responsible

or &oluntary actions maintaining the posture and balancing

the body.33. "ame the dierent endocrine glands and their

secretions in human beings.34. What is lymph and what is its unction in human body3!. $ow many chambered heart is present in fshes and

amphibians.

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  PRE

PARED BY

SAN#EEDA SULTANA

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TH

 – 10

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 BOYS SECT ON