Date: March 2013
Dominant character masks the ______________ characters.
Chapter: [0.16] Mapping Our Genes
______________ artery takes the blood to the lungs for oxygenation.
Chapter: [0.13] Life's Internal Secrets
Roots of plants grow towards light
Chapter: [0.14] The Regulators of Life
Hormones secreted by endocrine glands are directly released into blood stream.
Chapter: [0.14] The Regulators of Life
If X chromosome is inherited from mother and Y from father, the offspring will be male.
Chapter: [0.16] Mapping Our Genes
Write structural formula of Methane.
Chapter: [12] Amazing World of Carbon Compounds
Name the following:
Metals which forms an amphoteric oxide.
Chapter: [11] Understanding Metals and Non-Metals
‘A’ is an element having four electrons in its outermost orbit. An allotropes ‘B’ of this element is used as a dry lubricant in machinery and in pencil leads. So:
i. Write the name of element ‘A’ and its allotropes.
ii. State whether ‘B’ is a good conductor or non-conductor of electricity?
Chapter: [12] Amazing World of Carbon Compounds
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
Chapter: [11] Understanding Metals and Non-Metals
Write two points of differences between arteries and veins.
Chapter: [0.13] Life's Internal Secrets
Write any three differences between metals and non-metals with respect to their physical properties.
Chapter: [11] Understanding Metals and Non-Metals
Define Saturated hydrocarbon.
Chapter: [12] Amazing World of Carbon Compounds
Define Unsaturated hydrocarbon.
Chapter: [12] Amazing World of Carbon Compounds
Define Catenation.
Chapter: [12] Amazing World of Carbon Compounds
Write the names and functions of three parts of human nervous system in which it is divided.
Chapter: [0.14] The Regulators of Life
What is meant by sexual reproduction?
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Name two main processes of sexual reproduction
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Name any three parts of the female reproductive system in human beings. Write one function of each.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Write names of different parts of human digestive system and explain functions of any three parts.
Chapter: [0.13] Life's Internal Secrets
What is the peculiarity of the ‘DNA’ structure?
Chapter: [0.16] Mapping Our Genes
Draw a diagram of DNA showing genes.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
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Maharashtra State Board previous year question papers 10th Standard Board Exam Science and Technology 2 with solutions 2012 - 2013
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