Class 12 Biology Chapter 5 Important Questions Principles of Inheritance and Variation

Question 1. Name the pattern of inheritance where F1phenotype (i) resembles only one of the two parents. (ii) does not resemble either of the two parents and is in between the two. (All India 2019) Or Name the respective pattern of inheritance, where F1 phenotype (i)...

Class 12 Biology Chapter 4 Important Questions Reproductive Health

Question 1. Our government has intentionally imposed strict conditions for MTP in our country. Justify giving a reason. (Delhi 2017) Answer: MTP or induced abortion is the termination of pregnancy due to certain medical reasons. Government of India legalised MTP in...

Class 12 Biology Chapter 3 Important Questions Human Reproduction

Question 1. Why are human testes located outside the abdominal cavity? Name the pouch in which they are present. (all India 2014) Answer: Human testes are located outside the abdominal cavity as it helps in maintaining low temperature (2-2.5%) lower than body...

Sexual Reproduction in Flowering Plants Class 12 Important Questions and Answers Biology Chapter 2

Question 1. Angiosperms bearing unisexual flowers are said to be either monoecious or dioecious. Explain with the help of one example each. (All India 2016) Answer: Plant bearing flowers of both sexes, i.e. staminate and pistillate flowers called monoecious, e.g. lea...

Class 12 Biology Chapter 1 Important Questions Reproduction in Organisms

Question 1. Identify the picture and mention the vegetative part that helps it to propagate. (All India 2015C) Answer: The given figure shows the rhizome of a ginger. Rhizome is an underground stem that takes part in vegetative propagation. Question 2. Name the...

physics formulas for class 12

Certainly! Here are some important physics formulas for Class 12: 1. Mechanics: – Newton’s Second Law: F = ma – Gravitational Force: F = G * (m1 * m2) / r^2 – Work: W = F * d * cos(theta) – Kinetic Energy: KE = (1/2) * m * v^2 –...