(b) Because all other parts of the leaf had same resources available other than light, which was, present only in exposed parts. These parts showed presence of starch thereby proving that light is necessary for photosynthesis.
(b) Because all other parts of the leaf had same resources available other than light, which was, present only in exposed parts. These parts showed presence of starch thereby proving that light is necessary for photosynthesis.
What does ‘Bugyal’ mean?
Vast meadows in the high mountains.
Vast meadows in the high mountains.
See lessName the shepherds of Himachal Pradesh, who have cycle of seasonal movement.
Gaddi Shepherds of Himachal Pradesh.
Gaddi Shepherds of Himachal Pradesh.
See lessWhat is a ‘kafila,?
Kafila is a group of several households who move together for a journey.
Kafila is a group of several households who move together for a journey.
See lessWho were Gujjar Bakarwals?
Gujar Bakarwals ale nomadic tribes of Jammu and Kashmir who are great herders of goat and sheep.
Gujar Bakarwals ale nomadic tribes of Jammu and Kashmir who are great herders of goat and sheep.
See lessWho are nomads?
Nomads a.re the people who do not live in one place but more from one area to another to earn their- living.
Nomads a.re the people who do not live in one place but more from one area
See lessto another to earn their- living.
In the experiment to show that CO₂ is released during respiration, dry gram seeds are not used because:
(c) Dry gram seeds are dormant and do not respire.
(c) Dry gram seeds are dormant and do not respire.
See lessA part of de-starched leaf of a potted plant was covered with black paper strips on both sides and the plant was kept in sunlight for 8 hours. The leaf was then tested with iodine after boiling it in alcohol. Only the uncovered part of the leaf turned blue black. The inference is that:
(b) Because all other parts of the leaf had same resources available other than light, which was, present only in exposed parts. These parts showed presence of starch thereby proving that light is necessary for photosynthesis.
(b) Because all other parts of the leaf had same resources available other than light, which was, present only in exposed parts. These parts showed presence of starch thereby proving that light is necessary for photosynthesis.
See lessRaju added a-strip or A1 metal to 5 mL of a solution of ZnSO₄ in a test tube. The correct observation made by him for change in colour of solution is:
(c) colourless solution remained colourless
(c) colourless solution remained colourless
See lessslaked lime is used for white washing. After two or three days of white washing it gives shiny finish to walls due to the formation of the compound:
(a) CaCO₃
(a) CaCO₃
See lessThe products of reaction between zinc and sodium hydroxide solution are:
(b) The reaction takes place as under Zn + 2NaOH ⟶ Na₂ZnO₂ + H₂
(b) The reaction takes place as under
See lessZn + 2NaOH ⟶ Na₂ZnO₂ + H₂