Question : Which one of the following pairs belongs to cartilaginous fish?

Option 1: Shark and Tuna

Option 2: Shark and Ray

Option 3: Shaktes and Hilsa

Option 4: Ray and Eel

Question : Which one of the following is not a true fish?

Option 1: sliver fish

Option 2: Saw fish

Option 3: Hammer fish

Option 4: sucker fish

Question : Which one of the following creatures has maximum number of ribs?

Option 1: Crocodile

Option 2: Snake

Option 3: Ray fish

Option 4: Flying fish

Question : Which of the following has no skeleton at all?

Option 1: Star fish

Option 2: sponge

Option 3: Jelly fish

Option 4: Sliver fish

Question : Direction: Which one of the given responses would be a meaningful order of the following?

1. Absorption

2. Digestion

3. Nutrition

4. Excretion

Option 1: 3, 1, 2, 4

Option 2: 2, 1, 3, 4

Option 3: 3, 4, 2, 1

Option 4: 3, 2, 1, 4