Date: March 2014
Pancreas, Gall bladder, Glomerulus, Liver
Chapter: [0.13] Life's Internal Secrets
C2H4, C4H10, C3H8, CH4
Chapter: [12] Amazing World of Carbon Compounds
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Chapter: [11] Understanding Metals and Non-Metals
…………. is a mode of asexual reproduction.
(a) Cloning
(b) Budding
(c) Pollination
(d) Germination
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
The percentage of water absorbed by raisins is calculated on dividing …………. by initial weight.
(a) Final weight
(b) Increased weight
(c) Decreased weight
(d) None of the above
Chapter: [0.13] Life's Internal Secrets
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
Chapter: [0.13] Life's Internal Secrets
…………. is not essential for photosynthesis.
(a) Oxygen
(b) Carbon dioxide
(c) Light
(d) Chlorophyll
Chapter: [0.13] Life's Internal Secrets
Give any two differences between alkanes and alkenes.
Chapter: [12] Amazing World of Carbon Compounds
Write two methods of preventing the rusting of iron.
Chapter: [11] Understanding Metals and Non-Metals
Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Draw a neat labelled diagram of vertical section of the human heart.
Chapter: [0.13] Life's Internal Secrets
Write a short note on pressure cooker.
Chapter: [0.17] Striving for Better Environment 2
Explain the term haemodialysis.
Chapter: [0.13] Life's Internal Secrets
Give the IUPAC names of the following compounds:
CH3CH2CH2OH
Chapter: [12] Amazing World of Carbon Compounds
Give the IUPAC names of the following compounds:
HCOOH
Chapter: [12] Amazing World of Carbon Compounds
Give the IUPAC names of the following compounds:
CH3-CH=CH-CH3
Chapter: [12] Amazing World of Carbon Compounds
Classify the following as voluntary and involuntary actions:
(a) Coughing
(b) Food getting digested
(c) Moving a table
(d) Kicking a ball
(e) Beating of heart
(f) Flying a kite
Chapter: [0.14] The Regulators of Life
What is ‘3R’ mantra?
Chapter: [0.17] Striving for Better Environment 2
Write ‘3R’ mantra significance
Chapter: [0.17] Striving for Better Environment 2
What do you mean by DNA?
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
What is the peculiarity of the ‘DNA’ structure?
Chapter: [0.16] Mapping Our Genes
Name the scientist who put forward the most popular model of DNA.
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Complete the following table to get the differences between asexual and sexual reproduction:
| Characteristics | Asexual Reproduction | Sexual Reproduction |
| Number of parents involved | ........................... | .............................. |
| Type of cells involved | Somatic cells | Germ cells |
| Type of cell division | ............................ | Meiosis and mitosis |
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
State the different types of neurons.
Chapter: [0.14] The Regulators of Life
Explain their neurons function.
Chapter: [0.14] The Regulators of Life
In the extraction of aluminium: Name the process of concentration of bauxite.
Chapter: [11] Understanding Metals and Non-Metals
In the extraction of aluminium Write the cathode reaction in electrolytic reduction of alumina.
Chapter: [11] Understanding Metals and Non-Metals
In the extraction of aluminium: Write the function and formula of cryolite in the extraction of aluminium.
Chapter: [11] Understanding Metals and Non-Metals
In the extraction of aluminium: Draw the diagram for the extraction of aluminium.
Chapter: [11] Understanding Metals and Non-Metals
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
Chapter: [0.16] Mapping Our Genes
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