Class 8 Biology Introduction to Cells [1] Who discovered cells in 1665 by observing slices of cork? Charles Darwin Robert Hooke Louis Pasteur Antonie van Leeuwenhoek [2] What is the basic structural unit of an organ according to Robert Hooke? Tissue Cell Molecule Atom [3] Which of the following is responsible for […]
Category: ICSE Class 8 Biology Extra Questions
Class 8 Biology Nitrogen Fixation
Class 8 Biology Nitrogen Fixation Q: Which type of plants have a symbiotic relationship with Rhizobium bacteria? A: Leguminous plants, such as beans and peas, have a symbiotic relationship with Rhizobium bacteria. Q: How does nitrogen get fixed in the atmosphere? A: Nitrogen gets fixed in the atmosphere through the action of lightning. […]
Class 8 Biology Dealing with Harmful Micro Organisms
Class 8 Dealing with Harmful Micro Organisms Multiple choice questions [1] What are the four major groups of microorganisms? Bacteria, fungi, protozoa, and viruses Algae, protozoa, viruses, and bacteria Bacteria, fungi, viruses, and some algae Bacteria, fungi, protozoa, and animals Answer: C [2] Which of the following is a communicable disease? Malaria Anthrax Foot […]
Class 8 Nervous System Question Answers
Class 8 Nervous System Question Answers Fill in the blanks: A sense organ or receptor is an organ that receives external ………. Nervous tissue is composed of ……. cells or ……… ………… is the basic unit of the nervous system. The main part of a neuron consists of ………… and …………… Neurons have protoplasmic […]
Class 8 Endocrine System Question Answer
Class 8 Endocrine System Question Answer Class 8 Endocrine System Question Answer | Class 8 Science Extra Questions | for the students of CBSE / ICSE / State Board Examination. Fill in the blanks: ……… and …………. are secreted by the endocrine part of the pancreas, the islets of Langerhans. A body’s sugar balance is […]
