During photosynthesis plants take in ______________________ and release __________________
A plant that is partially autotrophic is called __________ .
The product of photosynthesis is not a protein. (T/F)
Plants which synthesise their food are called saprotrophs. (T/F)
Carbon dioxide is released during photosynthesis. (T/F)
The pores through which leaves exchange gases is called ________ .
Solar energy is converted into chemical energy during photosynthesis. (T/F)
Excess glucose produced by the plant is stored in the form of ___________.
(starch/water)
Green plants are called _________________ since they synthesise their own food.
In photosynthesis solar energy is absorbed by the pigment called ___________.
Why do organisms take food?
Q1) Why do organisms take food?
Q2) Distinguish between a parasite and a saprotroph.
Distinguish between a parasite and a saprophyte.
How would you test the presence of starch in leaves?
Q3) How would you test the presence of starch in leaves?
Q4) Give a brief description of the process of synthesis of food in green plants.
Show with the help of a sketch that plants are the ultimate source of food.
Q5) Show with the help of a sketch that plants are the ultimate source of food.
Fill in the blanks:
(a) Green plants are called _________________ since they synthesise their own food.
(b) The food synthesised by plants is stored as _________________.
(c) In photosynthesis solar energy is absorbed by the pigment called ___________.
(d) During photosynthesis plants take in ______________________ and release __________________ gas.
Q6)
Q7)Name the following:
(i) A parasitic plant with yellow, slender and branched stem.
(ii) A plant that is partially autotrophic.
(iii) The pores through which leaves exchange gases.
Name the following:
i) A parasitic plant with yellow, slender and branched stem.
ii) A plant that is partially autotrophic.
iii) The pores through which leaves exchange gases.
Tick the correct answer:
(a) Cuscuta is an example of:
(i) autotroph
(ii) parasite
(iii) saprotroph
(iv) host
(b) The plant which traps and feeds on insects is:
(i) Cuscuta
(ii) china rose
(iii) pitcher plant
(iv) rose
Cuscuta is an example of
Q8)Tick the correct answer:
(i) autotroph (ii) parasite (iii) saprotroph (iv) host
(i) Cuscuta (ii) china rose (iv) pitcher plant (iv) rose
The plant which traps and feeds on insects is
Match the items given in Column I with those in Column II:
Q9)Match the items given in Column I with those in Column II:
Q10) Mark “T” if the statement is true, and “F” if it is false. (i) Carbon dioxide is released during photosynthesis.
(ii) Plants which synthesise their food themselves are called saprotrophs.
(iii) The product of photosynthesis is not a protein.
(iv) Solar energy is converted into chemical energy during photosynthesis.
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Carbon dioxide is released during photosynthesis. (T/F)
(ii) Plants that synthesize their food are called saprotrophs. (T/F)
(iii) The product of photosynthesis is not a protein. (T/F)
(iv) Solar energy is converted into chemical energy during photosynthesis. (T/F)
Q11) Choose the correct option from the following:
Which part of the plant takes in carbon dioxide from the air for
photosynthesis?
(i) Root hair (ii) Stomata (iii) Leaf veins (iv) Petals
Choose the correct option from the following:
Which part of the plant takes in carbon dioxide from the air for photosynthesis?
Plants take carbon dioxide from the atmosphere mainly through their:
(i) roots (ii) stem (iii) flowers (iv) leaves
Q12) Choose the correct option from the following:
Why do farmers grow many fruits and vegetable crops inside large greenhouses? What are the advantages to the farmers?
Q13) Why do farmers grow many fruits and vegetable crops inside large green
houses? What are the advantages to the farmers?
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