MODEL QUESTION PAPER
Subject Experts Biology Solutions for Exercise - MODEL QUESTION PAPER
Simple step-by-step solutions to MODEL QUESTION PAPER questions of Model Question Papers 2 from Xam Idea Biology. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from MODEL QUESTION PAPER with Hints & Solutions
Explain the salient features of a DNA molecule given below:
Anti-parallel polarity of the two chains.
Write the functions of coleoptile, coleorhiza, endosperm.
(a) Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis
along with corpus luteum.
(b) Where is morula formed in humans? Explain the process of its development from zygote.
Draw a schematic labelled diagram of a fertilised embryo sac of an angiosperm.
Describe the stages in embryo development in a dicot plant.
(a) Work out a dihybrid cross up to F2 generation between pea plants bearing violet coloured axial flowers and white coloured terminal flowers. Give their phenotypic ratio.
(b) State the Mendel's law of inheritance that was derived from such a cross.
Explain the process of transcription in a prokaryote.
(a) On seeing the bad state of roads in your locality, as a student, you have recommended to the
Municipal Corporation to use polyblend.
(i) What is polyblend? Point out its raw material.
(ii) How will it be advantageous?
(b) What are e-wastes? Explain the method of their disposal.
(a) Describe the Hydrarch succession.
(b) Differentiate between primary and secondary succession in water.
