Identify the organism from the given description.

1. Poikilotherm
2. Moist skin present
3. Neck absent
4. Digits without claws
3. Eyes are prominent with eyelids

Q. Identify the class from its characteristics.

1. Poikilotherms.
2. Skin is dry and scaly.
3. External ears are absent.
4. They creep on land

Q. Which of the following statements are true or false?
(1) In Torpedo the electric organs are capable of generating strong electric shock to paralyze the prey.
(2) Bony fish use pectoral, pelvic, dorsal, anal and caudal fins in swimming.
(3) Amphibians skin is moist with thick scales.
(4) Birds are poikilotherms.
(5) A unique mammalian characteristic is the presence of milk-producing mammary glands by which the young ones are nourished.

Q. Identify the fibres 1, 2, and 3 based on the description given below.​

1. 1: Nylon; 2: Rayon; 3: Cotton​
2. 1: Wool; 2: Cotton; 3: Rayon​
3. 1: Silk; 2: Rayon; 3: Polyester​
4. 1: Wool; 2: Cotton; 3: Nylon​

Q.

Observe the given set of characteristics and identify the organism.
i. Very elongated cylindrical body covered with large scales
ii. No limbs, no ear, no eyelids
iii. Tongue bifurcated