Activity- I
Take a thin layer of tissue from the lower surface of the leaf. Mount it on a slide in water and examine under a microscope. You will find tiny pores or stomata along with the epidermal cells. The stomata are bound by a pair of guard cells whose concave sides face each other. It is through the stom..
Take a thin layer of tissue from the lower surface of the leaf. Mount it on a slide in water and examine under a microscope. You will find tiny pores or stomata along with the epidermal cells. The stomata are bound by a pair of guard cells whose concave sides face each other. It is through the stom..Activity
Draw a scalene triangle, an acute angled triangle, an obtuse angled triangle, an equilateral triangle and a right angled triangle. Measure the angles in all the figure. Enter the measure in the table given. What do you observe? What do you conclude with respect to the sum of the magnitudes of all ..
Draw a scalene triangle, an acute angled triangle, an obtuse angled triangle, an equilateral triangle and a right angled triangle. Measure the angles in all the figure. Enter the measure in the table given. What do you observe? What do you conclude with respect to the sum of the magnitudes of all ..Activity
Take a nichrome wire of about 50 cm length and apply a potential difference of 1.5 V from a battery. Measure the current flowing through the wire using an ammeter connected to it in series, and note the potential difference across the resistance using a voltmeter connected across it. Note down and ..
Take a nichrome wire of about 50 cm length and apply a potential difference of 1.5 V from a battery. Measure the current flowing through the wire using an ammeter connected to it in series, and note the potential difference across the resistance using a voltmeter connected across it. Note down and ..Activity
Visit an agricultural institute where hybridization is done and study how Plants are grown in artificial conditions. Artificial cross-pollination is done. Tissue culture is done..
Activity
Take hydrated copper (II) sulphate crystals in a test tube and heat. The blue crystals in the test tube start turning white on heating. Water vapours released on heating condense on the cooler part of the test tube. Collect the water drops in a dish. The crystalline copper sulphate turns to a whit..
Take hydrated copper (II) sulphate crystals in a test tube and heat. The blue crystals in the test tube start turning white on heating. Water vapours released on heating condense on the cooler part of the test tube. Collect the water drops in a dish. The crystalline copper sulphate turns to a whit..Activity
Take about 1 ml each of concentrated hydrochloric acid and liquor ammonia in two different test tubes (Fig.5.7)...
Take about 1 ml each of concentrated hydrochloric acid and liquor ammonia in two different test tubes (Fig.5.7)...Activity
Introduce a burning jet of hydrogen into a jar of chlorine. Hydrogen continues to burn, forming hydrogen chloride (Fig.5.2)...
Introduce a burning jet of hydrogen into a jar of chlorine. Hydrogen continues to burn, forming hydrogen chloride (Fig.5.2)...Activity
Set the apparatus as shown in figure 6.7. Firstly, when ammonia is passed through the longer tube and is made to ignite, it does not catch fire. Then oxygen is sent through the shorter tube. Now when ammonia is ignited, it catches fire and the following reaction takes place: Although the pro..
Set the apparatus as shown in figure 6.7. Firstly, when ammonia is passed through the longer tube and is made to ignite, it does not catch fire. Then oxygen is sent through the shorter tube. Now when ammonia is ignited, it catches fire and the following reaction takes place: Although the pro..See what our Users say :
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