The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in_____.

1. 1. Diatoms
   2. Desmids
   3. Pyrrophyta
   4. Chlorophyta

Coelom is lined by_____.

1. 1. Parietal mesoderm
   2. Visceral mesoderm
   3. Both A & B
   4. Mesoderm

Formation of heat shock proteins in plants results in_____.

1. 1. Embracing the enzymes and other proteins and prevent their denaturation
   2. Elevation of temperature in cold conditions
   3. Change the chemical nature of other proteins thus making them heat resistant
   4. Help in evaporative cooling

There are _____types of nutrients needed by plants besides light to carry out photosynthesis.

1. 1. Two
   2. Four
   3. Three
   4. Five

Insects responsible for transmitting diseases are called_____.

1. 1. Drones
   2. Hybrids
   3. Vectors
   4. All of the above

Coenocytic hyphae are also known as_____.

1. 1. Septate
   2. Aseptate
   3. Perforated hyphae
   4. Uninucleate hyphae

Which of the following consists of the dead cells?

1. 1. Sclerenchyma
   2. Parenchyma
   3. Collenchyma
   4. All of these

Organelles are_____.

1. 1. Unicellular structures
   2. Multi-cellular structures
   3. Non-cellular structures
   4. Sub-cellular structures

Which of the following statement about dicots is incorrect_____.

1. 1. They have 4 or 5 sepals and petals or their multiple.
   2. They are both herbaceous and woody
   3. Vascular bundles are ring shaped in their stems.
   4. They have parallel vein pattern on their leaves

Chitin in cockroach is absent in_____.

1. 1. Exocuticle
   2. Epicuticle
   3. Endocuticle
   4. All of these