Which of the following plant group first formed true leaves_____.

1. 1. Psilopsida
   2. Sphenopsida
   3. Pteropsida
   4. Lycopsida

The internal buds are known as_____.

1. 1. Spicules
   2. Gemmules
   3. Choanocytes
   4. None of these

_____ respiration is the process by which cell utilized oxygen and produces CO2.

1. 1. Organismic
   2. Both of these
   3. Cellular
   4. None of these

If bile pigments are prevented from leaving digestive tract, then they cause_____.

1. 1. Hepatitis
   2. Gall stones
   3. Blockage
   4. Jaundice

Total number of amino acids discovered so far in cells and tissues are_____.

1. 1. 170
   2. 20
   3. 25
   4. 150

The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gametophyte called_____.

1. 1. Ovule
   2. Seed
   3. Embryo sac
   4. Fruit

Earthworm is an example of_____ feeder?

1. 1. Fluid
   2. Detritus
   3. Macrophageus
   4. Filter

The structure of an enzyme is altered by_____.

1. 1. Reversible inhibitor
   2. Irreversible inhibitor
   3. Competitive inhibitor
   4. Non-competitive inhibitor

Which of the following statement about eiliates in incorrect_____.

1. 1. Contain mainly unicellular organisms
   2. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process
   3. Their contractile vacuole is responsible for water regulation
   4. They are even capable of sexual reproduction

The place of centromere where spindle fibres get attached is_____.

1. 1. Kinochore
   2. Kinetochore
   3. Centromere region
   4. all of these