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CLASS 10 BIOLOGY
TOPICWISE
QUESTIONS AND ANSWERS

Anatomical Model

LIFE PROCESSES

Living organisms have some fundamental characteristics like cellular nature, nutrition, metabolism, movement, respiration, excretion, response to stimuli, reproduction etc...

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CONTROL AND COORDINATION

Synapse is a successive gap present between the two neurons. Electrical impulses converted into chemical impulses (neurotransmitters) and pass across the synapse, reach to dendrites of the next neuron.

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HOW DO ORGANISMS REPRODUCE?

Pollination is the process by which pollens transfer from anther to the stigma of the flower of the same species. Fertilization is the process in which the male gamete fuses with the ovum to form a zygote.

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HEREDITY AND EVOLUTION

According to the law of independent assortment “When two pairs of traits are combined in a hybrid, segregation of one pair of characters is independent of the other pair of characters”.

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OUR ENVIRONMENT

Substances which can be broken down with the help of enzymes secreted by the bacteria and other saprophytes over a period of time are biodegradable.