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Assignments (Question Bank)
Class-XI
Subject: Biology
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Expand GFR.
Explain mechanism of urine formation.
Define micturition.
What are the four disorders of excretory systems in human being?
What is the significance of juxta glomerular apparatus in kidney function?
Explain in brief the different types of muscles.
Explain in brief the different types of joints.
Describe in brief disorders of muscular and skeletal system.
List the parts of the CNS and PNS.
Describe the reflex arc and reflex action with diagrams.
Describe briefly the mechanism of synaptic transmission.
Describe the effect when the somatestatin is released in excess or in traces
Explain the function of hormone ACTH, TSH, FSH, MSH.
What are catecholamines?
Why adrenal gland is called gland of emergency?
State the function of aldestron
Which gland acts as exocrine and endocrine?
List four universal rules of nomenclature
List the taxonomic categories in ascending order
List four characters of MYCOPLASMA
What is metamerism with example.
List three unique features of mammals.
What are the important characters of hemichordate
Which is the largest phylum of animals and why it is called so? Write important characters,
Which features in AVES helps them in their aerial habitat?
Sponges belong to which phylum? State their features.
Write the structure of pelvic girdle.
Describe the sequence of muscle contraction
Write the difference between actin and myosin.
Describe briefly the central neural system of human beings.
Describe briefly the hind brain in human beings.
Describe briefly the different parts of the human eye.
List the organs in the gastro intestinal tract
Name the hormones secreted by alpha and beta cells.
What are hormone receptors and where are they located?
Name the hormones secreted by adrenal cortex.
What are parathyroid gland
Where is the Thymus located and state its function.
Name the two types of hormones secreted by the ovary write the functions.
Name the hormone, which reduces blood pressure.
Name the location and secretions of anterior pituitary and posterior pituitary gland
Name the location and secretions of pineal gland.
Name the location and function of erythropoietine.
Which hormonal deficiency causes cretinism? What is its effect?
Differentiate between exocrine and endocrine glands.
Why adrenalin and noradrenaline secreted and what are their functions?
Why is the antidiuretic hormone called so?
Draw the skull diagram and write the functions of the major parts.
Write the mechanism of hearing in human beings with sketches.
Explain the term osmoregulation.
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Name excretory product in bird/reptile. Which form is it found? What is the advantage of these forms?
Name two types of nephrons and their functions.
List the three nitrogenous waste products. Which is the most toxic and the least toxic of them?
Which substance causes muscle fatigue? How is it formed in the muscle?
Name the two systems for control and co-ordinations. Write the difference between the two.
Name the largest and smallest endocrine glands. Mention their location in the body.
What is progesterone? State two functions in the body.
What are rods and in the cones? How are they different from each other?
What is tonoplast? Where is found? State its function.
Define morphology.
What is solute potential? Explain.
What is mytosis? Explain.
What is mycorrhiza?
What are vascular bundles? Name its types and functions.
Name the different types of plant tissues with examples.
Differentiate between ligament and tendons?
What are porins? Write their functions/
Draw and label V.S. of maize seed.
Write the characters of chloroplast.
Differentiate between stomata and lenticles.
Differentiate between blood and lymph.
Define phyllotaxy.
What does the term GENUS represent? Give an example.
To which kingdom does bacteria belong? Write its features.
Write the important characters of VIRUS.
Which organ in amphibia represents the ear?
Pneumatic bones are the feature of which class. Write two other features of the same class.
Write five characters of CHORDATES.
Write important features of the second largest phylum in animal kingdom.
Name some carnivorous angiosperms. Write important features found in them.
Which pigment gives colour to the vegetables.
Name two exit pores for gases in plants.
Name two process during growth and development in living beings.
Write and explain the overall equation of respiration.
What is respiratory substract? Name some. Which is the most common substract?
Write the end products in each type of respiration in living beings. Explain.
Why is plant growth a unique process and how is it different from animal growth?
What is cellular respiration? What is its first step? Explain.
Why is proton gradient important? Explain.
Which are the regions of growth in plants?
What is hydroponics? Explain the conditions for it.
Explain four deficiency symptoms shown by the plants
Define placentation. Name the different types of placentation. What is aestivation?
Why is sunflower not a flower? Explain.
Which name is given to the fruit of mango/coconut?
Name the six parts of a flower in ascending order.
Explain the mechanism of vision in human beings.
Define taxonomy. Write the basis on which modern taxonomy done.
Explain at least five distinct characters exhibited by living organisms.
100What are VIROIDS? How is it different from virus?
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