Given below is a flow chart showing ovarian changes during menstrual cycle. Fill in the spaces giving the name of the hormones responsible for the events shown.

Given below is a diagram showing hazardous polluting event Explain what is this and what are its effects shown in the diagram.

Read the statements (A) Morphological concept of species ie. static concept of species was given by Linnaeus (B) Linnaeus shown that species are fixed, unchangable,existing species originated in their present form (C) concept of species was given by Darwin, Lamarck (D)According to Darwin and Lamarck species is non static,mutable,show changes during passage of time (E) Modem biological concept species was given by Ernst Mayr

Observe the given diagram and answer the questions given below it. a. Mention the cell organelle shown in the diagrams. b. Which energy rich molecules are synthesized during Krebs cycle ? c. Identify the compound 'X' which is a product of glycolysis that is utilised in Krebs cycle.

Question based on paragraph : Amol was performing an experiment with a simple electric circuit . He connected an electric bulb , a plug key and a cell using connecting wires as shown in the circuit diagram given below : Answer the following questions based on the above electrical circuit : Give direction of electric current , when it flows through the circuit .

Question based on paragraph : Amol was performing an experiment with a simple electric circuit . He connected an electric bulb , a plug key and a cell using connecting wires as shown in the circuit diagram given below : Answer the following questions based on the above electrical circuit : Give directions of electrons , when it flows through the circuit .

Answer the following questions : Given below is a diagram showing a defect of human eye : Name the defect shown in the figure .

A parallel plate capacitor consists of two identical metal plates. Two dielectric slabs having dielectric donstants k_1 and k_2 are introduced in the space between two plates as shown below. Show that capacity of capacitor in arrangement (a) is given by , C = (epsilon_0 (k_1+k_2)A)/(2d)