Question
Differentiate between :
reticulate venation and parallel venation

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Define the following terms and also give two examples in each case.
• Complete Flower
• Bisexual flower
• incomplete flower
• unisexual flower
Given below is a crossword puzzle. Read the clues across and clues down, and fill up the blank squares. Check up your performance with the correct solution given at the end.
Clues across
1. Category of pathogen that causes diseases, like common cold and mumps.
5. This is the vaccine for preventing tuberculosis.
6. An organ usually affected by tuberculosis
7. Jumbled spelling of one of the most common insect which visits our exposed foods and contaminates them.
8. Cover this part of your body by a handkerchief while sneezing to prevent droplet infection to others.
9. These may readily grow in your hair, if you do not wash it regularly.
10. A disease that weakens body’s defence system against infections.
Clues down
1. Germ or germ-substance introduced into the body to prevent occurrence of an infectious disease.
2. A disease caused by an infected dog, and which affects the central nervous system.
3. A disease in which the eyes, the skin and the urine turn yellow.
4. The disease pertussis is popularly known as whooping
$^1 V$   $^2$ $U$     $^3$ $^4$
            $A$ $O$
    $^5 B$       $U$  
        $^6 L$     $G$
$^7 I$ $S$   $F$       $H$
$^8$   $S$       $I$  
$E$       $^9$ $I$ $C$  
  $^{10} A$   $D$     $E$  
Name different types of soils found in India.
Name any three types of terrestrial habitat.
Name three commonly used vaccines.
Nutrients absorbed by the plants are returned to the soil. How ?
Describe the functions : Red blood cells
Explain how plants and animals excrete waste products.
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
How will you classify animals according to the food they eat ?