100 DAYS ACTION PLAN MARCH
2026 by SCERT
UNIT 1 – LIFE PROCESSES
1 Marks Questions: Level
1
( Note: Question numbers are
given as in the 100 days action plan book)
24. What are the materials
required for photosynthesis.
CO₂, water, sunlight, and chlorophyll.
25. The xylem is responsible for
_____ in plants
a) transport of water
b) transport of food
c) transport of Amino Acids
d) Transport of oxygen
Ans: a) transport of water
26. What is nutrition ?
The process of taking in food and using it
for energy and growth.
27. Digestion does not occur in
which part of alimentary canal ?
Oesophagus
28. Expand ATP?
Adenosine Triphosphate.
29. What is the instrument used
by doctors for measuring B.P.?
Sphygmomanometer
30. What is plasma.
The liquid part of blood that carries
nutrients, wastes, and proteins.
31. Finger like projections in
small intestine are called
Villi
32. Why are cartilagenous rings
present in trachea ?
To keep the trachea open and prevent it
from collapsing.
33. Which one will have longer
small intestine. A goat or a tiger. Why?
Goat,
because it is herbivorous and needs a longer intestine to digest
cellulose.
34. What will happen if HCl is
not secreted in the stomach?
·
Pepsin will
not form, and protein digestion stops.
·
Bacteria in food won’t
be killed.
35. What will happen if the
respiratory tract is not moist or there is no mucus?
·
Dust and germs won’t
be trapped.
·
Infections and
breathing problems increase.
36. What will happen if the
platelets are not present in the blood?
·
Blood will
not clot.
·
Even small
injuries may cause excessive bleeding.
37. What is the digestive juice
without enzymes?
Bile juice
1 Marks Questions: Level 2
22. Give an example for parasitic nutrition in plants.
- Cuscuta
(Dodder plant)
23. ADP + ............ = ATP
- ADP + Pi → ATP
24. I ATP molecule releases ............ energy in K.J.
- 30.5 KJ
25. How many carbon atoms are in each pyruvate molecule ?
- 3 carbon
atoms
26. Name the different types of heterotrophic nutrition.
- Holozoic,
Saprophytic, Parasitic
27. What are blood sucking animals called ? Give example
- Called sanguivores
or Hematophagous
- Example:
Leech, Mosquito
28. What type of chemical reactions take place in our body to
break down the food materials?
- Hydrolysis, Oxidation–reduction reactions
- Breakdown
(catabolic) reactions.
29. Herbivores : Very long small intestine :: Carnivores :
............
- Carnivores :
Short small intestine
30. Kidneys are essential organs for survival, how do you
support your statement ?
- Kidneys
remove nitrogenous wastes from blood.
- Maintain
water and salt balance.
- Without
kidneys, poisonous wastes accumulate and cause death.
31. Organ donation means
donation of life, do you agree with the statement ? Why and why not ?
- Yes, because
donated organs can save a person’s life.
- Organ
donation helps patients whose organs have failed.
- It gives a
new chance for survival.
32. The carbon and energy
requirements of autotrophic organisms are fulfilled by photosynthesis. Justify.
- Plants take
CO₂ and water to make food.
- Sunlight
provides energy for photosynthesis.
- Photosynthesis
produces glucose for plant growth.
33. Salivation on thinking of
our favourite dish is a psychological response of digestive process. How do you
support this statement.
- Thinking of
tasty food stimulates brain.
- Brain
signals salivary glands to release saliva.
- This
prepares the mouth for digestion.
34. What will happen if the diaphragm is not there in the body ?
- Breathing
becomes impossible.
- Lungs cannot
expand or contract.
- Person
cannot inhale oxygen or exhale CO₂.
35. Haemoglobin : Iron :: Chlorophyll: ............
- Magnesium