Author: pramodcontentwriter

Q1. Convert the following temperatures to the Celsius scale. (a) 293 K     To convert to Celsius:     [ °C = K - 273]     [ 293 K - 273…

Q1. Choose the correct option. a. Which plants reproduce by the sexual mode of reproduction? I. Mango II. Potato III. Yam IV. Onion Options: i. Only (I) ii. Only (II)…

Choose the correct option. (a). The ________ of a mirror is the center of the sphere of which the mirror is a part. (i) center of curvature (ii)radius of curvature (iii)pole…

1. Explain why nomadic tribes need to move from one place to another. What  are  the  advantages  to  the  environment  of  this  continuous movement? Answer. Nomadic tribes often follow a…

Q1. Discuss how the changes in forest management in the colonial period affected the following groups of people: Shifting cultivators  Nomadic and pastoralist communities  Firms trading in timber/forest produce  Plantation…

What is heat?Heat is a form of energy that is transferred between objects due to a temperature difference. Define temperature.Temperature measures the average kinetic energy of particles in a substance.…

Q1. Read the extract given below and answer the questions that follow. A.” Eh? What of it, then? Has it returned to life and flapped off through the kitchen window? “See here, sir! See what…

Q1. Choose the correct option.                      (a)Hot objects which can transfer heat by radiation are: (i) only solids (ii) only gases (iii) both liquid and gases (iv)all liquids, gases, and solids. Answer.…

Question1. Choose the correct option. Temperature is measured in. (i)Calorie (ii) erg (iii)Joule (iv) Degree Celsius Answer. (iv) Degree Celsius Which of the following is true for Breeze? (i)Cool air…