Make a list of algae and fungi that have commerical value as source of food, chemicals, medicines and fodder.

Make a list of green algae with their characteristic shape of chloroplast.

Read the following statements and find out the incorrect statement. A. Ultimately all the food that is respired for life processes comes from photosynthesis. B. The energy released by oxidation in respiration is directly used for the life processes. C The carbon skeleton produced during respiration is used as precursors for biosynthesis of other molecules in cell. D. Plants, unlike animals, have no specialised organs for gaseous exchange but they have stomata and lenticels for this purpose. E. During oxidation within a cell, all the energy contained in, respiratory substrates is released free into the cell in a single step, which is trapped as chemical energy in the form of ATP.

Which of the following algae has high quality of food value....

Make a list of some luminous objects and substances and classify them into natural and artificial sources of light.

Make some interesting observations while having a meal at home. Identify the trophic level of the various food items in your dish. Identify your own level in the chain.

M/s Jay chemicals purchased a liquid soap having taxable value ₹8,000 and sold it to the consumer for the taxable value ₹10,000. Rate of GST is 18%. Find the CGST and SGST payable by M/s Jay Chemicals.

Complete the paragraph by choosing the approprite words given in the brackets: (Nocardia, Geobacter, Ideonella sakaiensts. Pseudomonas, Alcanovorax borkumensis, hydrocarbonoclastic, Acidophillium, streptomyces) Bacteria like ................. spp. and ............ have the ability to destroy the pyridines and other chemicals. Hence, these bacteria are used to clear the oil spills. These are called .............. bacteria. It has been observed that species like Vibrio, ................. can decompose the PET. Similarly, species of fungi like ........ .... have ability of decomposing rubber from garbage. Sulphuric acid is source of energy for some species of bacteria like .............. Hence, these bacteria can control the soil pollution occurring due to acid rain. .. ...... - convert the salts of uranium into insoluble salts.

The food having fully undergone mechanical and chemical digestion inside the stomach is called

Giving an example list two infromation which make a chemical equation more useful (informative)

Complete the paragraph by choosing the words given in the bracket : (Pathogen, broad spectrum, bacteria, Medicine, antibiotics, fungi) Carbon compounds obtained from some bacteria and ......... for destroying or preventing the growth of harmful micro-organisms are called '...........' Antibiotics, a discovery of the 20th century, have brought about a revolution in the field of... Antibiotics mainly act against .......... Some antibiotics are useful against a wide variety of bacteria. They are called ......... antibiotics. They are used when the ......... cannot be identified.