Question : Jaws are absent in:
Option 1: Birfds
Option 2: Fishes
Option 3: Protochordates
Option 4: Reptiles
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Correct Answer: Protochordates
Solution : The Correct Answer is Protochordates
Protochordata and cyclostomata lack jaws. The invertebrate subphylum of the chordata phylum is referred to as protochordata. It contains creatures like tunicates. Cyclostomata are a subclass of group agnatha that lack jaws, girdles, and paired appendages. Hagfish and lampreys are the two types of fish without jaws. Hagfish typically consume dead or dying fish as food.
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Question : Which of the following is not true about gymnosperms?
Option 1: The dominant phase is sporophytes
Option 2: Vascular bundles are absent
Option 3: Spores are heterosporous
Option 4: Flowers are absent
Question : Directions: Arrange the following in ascending order. 1. Centimetre 2. Kilometre 3. Decimetre 4. Metre
Option 1: 1, 3, 4, 2
Option 2: 2, 4, 3, 1
Option 3: 3, 1, 2, 4
Option 4: 4, 2, 1, 3
Question : Directions: Arrange the following words as per their order in Dictionary. 1. Complicate 2. Complicity 3. Complication 4. Complaint
Option 1: 2, 1, 3, 4
Option 2: 4, 2, 3, 1
Option 3: 4, 1, 3, 2
Question : Directions: Arrange the words in ascending order of their magnitude. 1. Mega 2. Kilo 3. Tetra 4. Giga
Option 1: 2, 4, 3, 1
Option 2: 1, 2, 3, 4
Option 3: 1, 3, 2, 4
Option 4: 2, 1, 4, 3
Question : Which are the four quantum numbers for an electron present in 4f orbital?
Option 1: n=4, I=3, m=+1, s=+1 / 2
Option 2: n=3, I=2, m=-2, s=+1 / 2
Option 3: n=4, I=4, m=-4, s=-1 / 2
Option 4: n=4, I=3, m=+4, s=+1 / 2
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