Which of the following is a multicellular organism?

Who coined the term protoplasm for the fluid substance of the cell?

Which of the following statements is/are false?

a. All cells are capable of carrying out basic functions like nutrition, respiration, growth and reproduction. b. All the cells use different mechanisms for energy metabolism. c. In multicellular organisms, cells are specialised to perform different functions of the body so that there is a division of labour within the cell.

Which of the following is responsible for secreting a proenzyme of protein digestive enzyme called pepsiogen?

Which of the following is/are present in a eukaryotic cell, but absent in a prokaryotic cell?

Which of the following statements is/are false?

a. Nucleoid has a covering of double membrane envelop. b. The DNA content in a nucleoid is equal to a single DNA molecule. c. The DNA of a nucleus is associated with histone proteins to form cromatin.

Which of the following is the largest (in percentage) key element present in the structure of the plasma membrane?

In a multicellular organism, the shape of a cell depends upon the

Which of the following cells are discoidal?

______ is the outermost covering in a plant cell.

Nuclear envelope encloses a space between two nuclear membranes and is connected to a system of membranes called the _____________.

Which of the following statements is/are false?

a. The process of diffusion can occur only in liquid medium. b. In the process of osmosis, a semi-permeable membrane is required. c. Equilibrium in the free energy of solvent molecules is never achieved in osmosis.

The nucleolus, which is not bounded by any membrane, is rich in protein and _______________.

The process by which the membrane of a vesicle can fuse with the plasma membrane and extrude its contents to the surrounding medium is called ____________.

Which of the following constituents has the highest percentage in a cytoplasm?

Secretion is the main function of

Which of the following statements is/are false?

a. Cells divide to produce cells of their own kind as all cells come from pre-existing cells. b. The theory that all the plants and animals are composed of cells and that cell is the basic unit of life was proposed by Purkinje in 1839. c. Plasma membrane allows or permits the entry and exit of some materials in and out of the cell.

Which of the following functions are performed by a cell with the help of its various membrane-bound organelles?

Which of the following is known as the 'powerhouse' of a cell?

Match the following:

Which of the following statements regarding mitochondria is false?

Match the following ||| |---|---| |a. Plastids|1. They are small and spherical organelles containing powerful oxidative enzymes. | |b. Vacuoles|2. They are self-replicating organelles like the mitochondria. | |c. Peroxisomes|3. They are fluid-filled or solid-filled and membrane bounded organelle.|

Which of the following statements is/are false?

a. Except the protozoan Euglena, no animal cell possesses plastids. b. Cell wall is absent in an animal cell. c. Animal cells have many simpler units of Golgi apparatus called dictyosomes.

Which of the following statements is/are false?

a. Plant cells are larger than animal cells. b. Vacuoles in plant cells are many, small and temporary. c. Plant cells lack centrosome and centrioles.

Which of the following is the site of 'dark reaction' during photosynthesis, that involves chloroplasts?

Which of the following statements is/are false?

a. Chromoplasts are white in colour. b. Leucoplasts can change to other types of plastids. c. Chromoplasts provide colour to organs to attract pollinators and disseminators.

Match the following: