Is the meiosis responsible for evolution? Justify your answer.

Study the given pedigree chart and answer the follwing question: is the trait autosomal or sex linked? Justify your answer.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Activity: A student reads a book.

Atoms of two different elements are represented in the following diagram. Do these elements belong to the same group ? Justify your answer.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Phenomenon: The revoluition of the earth arpound the sun.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Activity: One applies a force on a big rock but fails to move it.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Activity: A body slides on a frictonless horizontal surface with a uniform velocity.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Activity: A person carries some goods on a handcart.

Answer the following questions: In the following case, state whether work is done or not. Justify your answer: Activity: A worker climbs a staircase with some load o n his head.