Pancreas, Gall bladder, Glomerulus, Liver
C2H4, C4H10, C3H8, CH4
Match the following:
|Column A||Column B|
|(i) Stigma||(a) Neuron|
|(ii) Pepsin||(b) Carpel|
|(iii) Dendrites||(c) Protein|
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
…………. is a mode of asexual reproduction.
Cellular respiration takes place in
…………. is not essential for photosynthesis.
(b) Carbon dioxide
Give any two differences between alkanes and alkenes.
Write two methods of preventing the rusting of iron.
State two ways to prevent the rusting of iron.
Write the functions of the following organs of reproduction:
b. Seminal vesicle and prostate glands
Draw a neat labelled diagram of vertical section of the human heart.
Write a short note on pressure cooker.
Explain the term haemodialysis.
Give the IUPAC names of the following compounds:
Classify the following as voluntary and involuntary actions:
(b) Food getting digested
(c) Moving a table
(d) Kicking a ball
(e) Beating of heart
(f) Flying a kite
What is ‘3R’ mantra?
Write ‘3R’ mantra significance
What do you mean by DNA?
What is the peculiarity of the ‘DNA’ structure?
Name the scientist who put forward the most popular model of DNA.
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|
State the different types of neurons.
Explain their neurons function.
In the extraction of aluminium:
i. Name the process of concentration of bauxite.
ii. Write the cathode reaction in electrolytic reduction of alumina.
iii. Write the function and formula of cryolite in the extraction of aluminium.
iv. Draw the diagram for the extraction of aluminium.
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.