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 –...

physics formulas for class 11

Sure! Here are some important physics formulas for Class 11: 1. Motion in a Straight Line: – Average Speed: `v_avg = (Δx) / (Δt)` – Instantaneous Speed: `v = lim(Δt -> 0) (Δx) / (Δt)` – Average Velocity: `v_avg = (Δx) / (Δt)` – Instantaneous...
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physics chemistry math biology tuition classes on vip road zirakpur

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