Write the difference between solid, liquid and gas phase? Hint:Anything that has mass and takes up space is known as matter. Matter…
For the electro-refining of copper. (i) What is the cathode made up of? (ii) Write the reaction that takes place at the…
In general , the number of electrons in the outermost shell of a metal atom is : A.1 B.1-3 C.1-8 D.8 Hint:…
Differentiate between retention and inversion. Hint:When a nucleophile approaches the chiral carbon from the same side as the leaving group, it results…
What is the difference between epimers and anomers? Hint:Stereoisomers are pairs of compounds that share the same chemical formula but differ in…
Draw the diagram showing the germination of pollen on stigma and label the following parts (i) Stigma (ii) Pollen tube Hint: Pollination…
The main reasons for the success of Mendel was that A. He made a statistical analysis of the offspring B. He first…
Describe the development of the male gametophyte from the microspore mother cell to the production of sperm. Hint: Pollen grains are formed…
Explain “Wobble Hypothesis” with the help of a suitable diagram. Hint: The Wobble hypothesis explains the redundancy of codons. Codons are sets…
Describe the internal structure of the leaflet of cycas and list out the xerophytic adaptations seen in it. Hint: The Cycas plant…