guys i have posted papers for x class needy can download it
X CLASS
BIOLOGY
1.
Write differences between (AS1) a) autotrophic
nutrition - heterotrophic nutrition b) Ingestion - digestion c) Light reaction
- dark reaction d) Chlorophyll – chloroplast
2.
Name the three end products of photosynthesis?
3.
What is the function of digestive enzyme?
4.
Explain the structure of chloroplast with a
neatly labeled sketch
5.
What is the role of roughages in the
alimentary track?
6.
What process you follow in your laboratory to
study presence of starch in leaves?
7.
Draw a neatly labeled diagram of chloroplast
found in leaf, and it’s role in photosysthesis?
8.
Distinguish between (AS1) a) inspiration and
expiration b) aerobic and anaerobic respiration c) respiration and combustion
d) photosynthesis and respiration
9.
What is the role of epiglottis and diaphragm
in respiration?
10.
What procedure you followed to understand
anaerobic respiration in your school laboratory?
11.
How you appreciate the mechanism of
respiration in our body?
12.
Write differences betweenm(AS1) a) systole -
diastole b) veins - arteries c) xylem – phloem
13.
What is root pressure? How it is useful to the
plant?
14.
How can you prove that the water is
transported through the xylem?
15.
Draw a block diagram to explain single and
double circulation. Write differences between them
16.
What is meant by excretion?
17.
What is meant by osmoregulation? How is it
maintained in human body?
18.
Write differences(AS1) A. Functions of PCT and
DCT B. Kidney and artificial kidney C. Excretion and secretion D. Primary
metabolites and secondary metabolites
19.
Draw a neat labeled diagram of L.S of kidney?
20.
Draw a block diagram showing the path way of
excretory system in human being
21.
What is a synapse? How it is useful in
transfer information?
22.
Distinguish between(AS1) a) Stimulus and
Response b) Afferent and Efferent nerves c) Central nervous system and
peripheral nervous system d) Receptor and effector
23.
What happens if all functions of the human
body is controlled only by brain?
24.
Draw a neatly labelled diagram of Brain and write
few points how it is protected
25.
Write differences between.(AS1) a) asexual
reproduction - sexual reproduction b) stamen-carple
26.
Explain the process of fertilisation in plants
27.
How are sperm cells adapted for their
function?
28.
When the foetus is growing inside the uterus
it needs nutrients. What provides these nutrients?
29.
What are the advantages of sexual
reproduction?
30.
Write the differences between mitosis and
meiosis
31.
Draw neat labelled diagrams of male and female
reproductive system of plant
32.
Draw a neatly labled diagram to explain plant
fertilisation. Write few points on pollen grain
33.
How will you appreciate cell division that
helps in perpetuation of life?
34.
What do you meanby hungerpangs?
35.
Write a note on peristalsis and sphincter
function in stomach.
36.
Write difference between the following.(AS1)
a) bolus - chyme b) small intestine - large intestine c) mastication -
rumination d) propulsion – retropulsion
37.
What is mastication? Explain the role of
different sets of teeth in this process
38.
How can you justify the enteric nervous system
as the second brain of the gut?
39.
How are taste and smell related?
40.
Draw a schematic diagram of villus in small
intestine. Explain how digestive system coordinate with circulatory system
41.
How do you appreciate stomach as a churning
machine .How does this coordination go on?
42.
What are variations? How do they help
organisms?
43.
What is the law of independent assortment?
Explain with an example
44.
Write a brief note on analogous organs
45.
How do scientists utilise the information
about fossils?
46.
Explain the process to understand monohybrid
cross of Mendel experiment with a checker board
47.
What is your understanding about survival of
the fittest. Give some situations or examples that you observe in your
surroundings?
48.
What do pyramids and food chain indicate in an
ecosystem?
49.
What is biomass? Draw a pyramid of biomass for
the given food chain- (AS1) (i) grass leaves (ii) herbivores (iii) predators
(iv) hawk
50.
What is a trophic level? What does it
represent in an ecological pyramid?
51.
Draw a pyramid of numbers considering yourself
as a top level consumer
52.
What is sustainable development?How is it
useful in natural resource management?
53.
Write a detailed note on management of a
natural resource
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