Subject Experts Solutions for Chapter: Cell and Cell Division, Exercise 1: Practice Exercise

Consider the following statements regarding osmosis in animal cells.
$1.$ If the water potential of the solution surrounding the cell is too high, the cell shrinks.
$2.$ If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
$3.$ It is important to maintain a constant water potential inside the animal body.
$4.$ In animal cells, water potential far exceeds the solute potential. Which of the statement(s) given above is/are correct?

The site of cellular respiration in animal cell is 

Within an animal cell, the most abundant inorganic constituent of protoplasm is 

Growth and repair of damaged tissue involves 

Which one of the following cell organelles is absent in animal cell? 

Statement I: Amoeba is a unicellular organism and the single cell performs all functions of a living organism.

Statement II: Cell is the fundamental unit of living organism. 

Which one of the following is the smallest unit showing the properties of life such as capacity for metabolism, response to the environment, growth and reproduction?

Which of the following statements about DNA is/are correct?
$1.$ DNA is the hereditary material of all living organisms.
$2.$ All segments of DNA code for the synthesis of proteins.
$3.$ Nuclear DNA is double-helical with two nucleotide chains that run antiparallel.
$4.$ DNA is also found in mitochondria.

Select the correct answer using the codes given below.