Biology is an important subject, hence, an in-depth knowledge of every concept is very essential. The Biology BYJU’S website provides a detailed information of all the concepts mentioned in the textbook. Apart from this, the website also provides answers to questions asked by students. A number of such questions and answers can be found on this page.
The answers are provided by subject matter experts who help students to enhance their conceptual knowledge. This gives a clear picture of the topics provided in the textbook. The students can refer to these questions and score well not just in the school academics but also in the competitive examinations.
calciumDeficiency of iron causes anaemia. Deficiency of Vitamin A causes night-blindness. Deficiency of sodium causes muscular cramps.
ZincCobalt: Causes pernicious anaemia Copper: Results in loss of body weight and anaemia Manganese: Causes poor bone development
EpiglottisA cartilaginous flap called epiglottis, acts as a lid over the glottis and prevents the entry of food inside the larynx.
The reaction in body occurs with the help of biocatalyst called enzymes as they provide alternative lower activation energy path and so increases
Pyrimidine bases in RNA are the cytosine and uracil.
chlorineDeficiency of iron causes anaemia. Deficiency of Vitamin K causes haemorrhage. Deficiency of calcium causes rickets.
Solution: Plants with reticulate venation in their leaves are likely to have tap roots. For example, a carrot or a rose plant has leaves with
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