Biology Faqs

Updated on Dec. 7, 2020 11:20 AM IST by Lakshmi Arya


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Related FAQs

Q. Name the life process that ensures that a plant or animal species will not disappear from this earth.

Ans: The life process that ensures that a plant or animal species will not disappear from this earth is REPRODUCTION, by which an organism produce new individual that look very much like them. Reproductio... read more

Q. If an organism is reproducing without fusion of gamete, what type of reproduction is shown by it?

Ans: Asexual Reproduction. Asexual reproduction is a type of reproduction that does not involve the fusion of gametes. In case of Asexual Reproduction Only one parent gives rise to progeny. No fusion of... read more

Q. Write the source of making proteins in the nucleus of a cell.

Ans: The DNA in the cell nucleus is the information source for making proteins.If the information is changed, different proteins will be made. Different proteins will eventually lead to altered body design... read more

Q. How does binary fission differ from multiple fission?

Ans: Binary fission:-- One cell splits into    two equal halves, e.g., many bacteria and protozoa like    Amoeba,    Paramecium and Leishmania. Multiple fi... read more

Q. How will an organism be benefited if it reproduces through spores?

Ans: An organism is benefited if it reproduces through spores because spores are surrounded by a thick layer and reproduction through spores is simple and as well as it is faster mode of reproduction. And ... read more

Q. Why is sexual reproduction important?

Ans: Reproduction is the process by which new individuals are produced by the parents. Importance of Reproduction:- The genes are transmitted from the parents to the offspring. Sexual reproduction... read more

Q. Give examples Unisexual & Bisexual flowers.

Ans: Unisexual flowers:-- A flower may be Unisexual if it contains only Stamen or Carpel. They do not have both stamens and carpels e.g. Papaya , Watermelon & coconut flowers Bisexual flowers:-- ... read more

Q. How sexual reproduction creates variation?

Ans: Sexual reproduction is the the production of of a new organism from two parents  by making use of their gametes or sex cells. Here gametes which contain only half the  number of chromosomes,... read more

Q. Differentiate between self & cross pollination

Ans: Self Pollination :-- If the transfer of Pollen grains from the stamen to the stigma occurs in the same flower, it is referred to as self pollination. Cross Pollination :-- If the transfer of Poll... read more

Q. What is Germination? How seeds and fruits are formed?

Ans: Germination is the process of development of  a seed into a Seedling under appropriate conditions. After pollination and fertilization , the ovule develops a tough  coat and is gradually co... read more

Q. What changes are observed in the uterus subsequent to implantation of young embryo?

Ans: The mothers body is design to undertake the development of the child. Hence the uterus prepare itself. The lining of the uterus thickens and is richly supplied with blood to nourish the growing embryo... read more

Q. What is KYOTO protocol ?

Ans: The Kyoto Protocol is an international agreement that aimed to manage and reduce carbon dioxide emissions and greenhouse gases. The Kyoto Protocol implemented the objective of the UNFCCC (United Natio... read more

Q. How can you help in reducing the problem of waste disposal? Give any two methods.

Ans: Two methods used to reduce the problems of waste disposal are:-- Recycle of waste disposal : - This means that you collect plastic, paper, glass and metal items and recycle these materials to make ... read more

Q. Write the advantage of sewage treatment plant.

Ans: The process of removing contaminants from the waste water basically from the household sewage is called sewage treatment. Sewage is a combination of water and waste. Cleaning of wastewater is essenti... read more

Q. When can we say a person is suffering from a disease

Ans: When functioning of the body of a person is disturbed OR When symptoms like headache, cough and cold, fever, loose motions, vomiting, fits etc. appear in a person then  we can say that a person i... read more