Question

Questions Based on High Order Thinking Skills (HOTS)
71. The leaves of a plant combine a gas A taken from air and a liquid B taken from the soil in the presence of
sunlight to make a simple food C by the process called D. Some of the simple food C gets converted into
a complex food E which is stored in the various parts of the plant including its leaves.
(a) What are (1) gas A, and (ii) liquid B?
(b) What are (i) food C, and (ii) food E?
(c) Name the process D.
(d) Which of the two foods, C or E, will give blue-black colour with dilute iodine solution?
(e) Name the pigment present in leaves which helps in carrying out the food making process D.
72. The plant X is found in abundance in desert areas which get meagte rainfall. The modified leaves of this
plant can reduce the loss of water from this plant by transpiration. This plant has long roots which ge
deep into the soil so as to obtain water.
(a) What could the plant X be?
(b) Which part/parts of this plant take part in photosynthesis ?
(c) How does the photosynthesis in this desert plant differ from those of ordinary plants found in a garden
(d) What is the colour of the stem of this plant?
73. The organs A of a tree have a large number of tiny pores called B on their surface. Each pore is surround
by a pair of cells called C. The opening and closing of pores in A is controlled by C. The gas D present
air enters the organs A through pores B and utilised in food making process E. The gas Fproduced duri
process E goes out through the same pores B. What are A, B, C, D, E and F?
74. The lamina of the leaf of a plant P is modified into a hollow tube. The leaf apex forms a kind of lid w
can open or close the mouth of hollow tube. When an organism falls in the hollow tube, the lid cl
automatically killing the organism. The walls of hollow tube secrete digestive juices which aigest
complex substances R present in the body of the organism to form simpler substances S. These sin
substances are then absorbed by the walls of the hollow tube and used by the plant P.
(a) What could the plant P be?
(b) Name the organism Q.
(c) What could the complex substances R be?
(d) Name the simpler substances S.
(e) What is the general name of plants like P ?
75. Two different species of plants X and Y live together as if they are parts of the same plant Z. The
is an autotroph whereas plant Y is a saprophyte. The plant Y holds the cells of X in its mat of w
hyphae and supplies water and minerals to cells of plant X. The plant X makes food by photos
and shares it with plant Y.
(a) What could plants (i) X (ii) Y, and (iii) Z be?
(b) Which of the two plants, Xor Y, is green in colour ?
(c) What is the relationship exhibited by plants X and Y known as ?
(d) Give another example of this type of relationship.​

Answer 1

Answer:

who won today ipl match

RCB VS SRH