Date: March 2015
Tinning : Tin : : Galvanizing : _________
Chapter: [11] Understanding Metals and Non-Metals
Mammals : _________ : : Amphibia : Fishes
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
Solar water – heater works on renewable energy system
Chapter: [0.17] Striving for Better Environment 2
In human beings the blood goes to the heart in one cycle once.
Chapter: [0.13] Life's Internal Secrets
In frogs, thyroid secretion stimulates the metamorphosis from tadpole to adult frog.
Chapter: [0.14] The Regulators of Life
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
Chapter: [12] Amazing World of Carbon Compounds
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
Chapter: [0.13] Life's Internal Secrets
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
Chapter: [11] Understanding Metals and Non-Metals
Yeast reproduces by _________.
(a) spore formation
(b) multiple fission
(c) fragmentation
(d) budding
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Raisins put in water absorb water by the process of _________.
(a) diffusion
(b) osmosis
(c) transpiration
(d) excretion
Chapter: [0.13] Life's Internal Secrets
Common salt has a high melting point and boiling point.
Chapter: [11] Understanding Metals and Non-Metals
Draw neat labelled diagram of the pancreas with their associated structures
Chapter: [0.13] Life's Internal Secrets
State the connecting links between Peripatus with Annelida and Arthopoda.
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
Name any two plant hormones and state their functions.
Chapter: [0.14] The Regulators of Life [0.14] The Regulators of Life
Differentiate between Toilet soap and Laundry soap.
Chapter: [12] Amazing World of Carbon Compounds
State any four objectives of sustainable development.
Chapter: [0.17] Striving for Better Environment 2
What is an alloy?
Chapter: [11] Understanding Metals and Non-Metals
Give two examples of alloys with their chemical composition.
Chapter: [11] Understanding Metals and Non-Metals
Name the following: Cells that assist the neuron in their function
Chapter: [0.14] The Regulators of Life
Name the following: The small gap between the consecutive neurons
Chapter: [0.14] The Regulators of Life
Name the following: Part of the brain that coordinates the voluntary functions
Chapter: [0.14] The Regulators of Life
Explain the process of fertilization in human beings.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Explain the process of development in human beings.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Explain the process of birth in human beings.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
What are vestigial organs?
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
Give two examples of vestigial organs in human beings and plants.
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
What is recycling of waste?
Chapter: [0.17] Striving for Better Environment 2
Examples of recycling of waste.
Chapter: [0.17] Striving for Better Environment 2
State two advantages of recycling.
Chapter: [0.17] Striving for Better Environment 2
Which mode of reproduction gives rise to variation?
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Give the importance of variation in survival of species.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Given below are the end products of different reactions involving glucose. Write the appropriate end product in front of the following:
(1) Anaerobic reaction =
(2) Reaction in human muscles =
(3) Aerobic respiration
(4) Reaction in plant cells =
(5) Reaction in liver =
Chapter: [0.02] Life Processes in Living Organisms Part -1 [0.13] Life's Internal Secrets
Give other two names of ethanol.
Chapter: [12] Amazing World of Carbon Compounds
Give the structural formula of ethanol.
Chapter: [12] Amazing World of Carbon Compounds
Give two properties of ethanol.
Chapter: [12] Amazing World of Carbon Compounds
Explain the action of phosphorous trichloride with ethanol. Write the balanced chemical equation of the above reaction.
Chapter: [12] Amazing World of Carbon Compounds
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