Explain on the constituents of the plant cell.

1. Mycoplasma (0.3 µm)  2. Nerve cell  3. Ostrich egg

1. Cytoplasm of prokaryotes is a pool of all necessary materials like water, enzymes, elements, amino acids, etc.  2. Some inclusion bodies in form of organic (cyanophycean starch and glycogen) and...

Correct Answer - Auxin, Gibberellin, Cytokinin

Plant cell Animal cell (a) Cell wall is present. Cell wall is absent. (b) Plastids present. Plastids absent. (c) Chloroplast present. Chloroplast absent. (d) Centrioles are present only in lower plant forms. Centrioles are present in all animal cells. (e)...

The correct answer is (B) C, H, O

The formation of the new cell wall begins with the formation of a simple precursor, called the ‘cell-plate’ that represents the middle lamella between the walls of two adjacent cells.

Saliva contains 98% water and 2% other constituents like electrolytes (sodium, potassium, calcium, chloride, bicarbonates), digestive enzyme, salivary amylase and lysozyme.

Pancreatic juice secreted by pancreas contains pancreatic amylases, lipases and inactive enzymes trypsinogen and chymotrypsinogen. Pancreatic juice also contains nucleases- the enzymes that digest nucleic acids.

The intestinal juice contains various enzymes like dipeptidases, lipases, disaccharidases, maltase, sucrase and lactase.