Correct Answer: Sparrow

Solution : Given:
Eagle, Ostrich, Kiwi
All three are types of birds.

Let's check each option –
First option: Unicorn; The Unicorn comes under the category of animals.
Second option: Bat; The Bat comes under the category of a flying mammal.
Third option: Sparrow; The sparrow comes under the category of birds.
Fourth option: Shark; The shark comes under the category of fish.

So, the sparrow comes under the category of the given words. Hence, the third option is correct.

Correct Answer: Shwetha

Solution : Given:
(I) Six students are sitting around a circular table facing the centre. Salman is an immediate neighbour of both Kiran and Shwetha.

(II) Bala is sitting second right to Salman. Shwetha is sitting third to the left of Bala. Akshay is an immediate neighbour of both Bala and Nishitha. 

So, Shwetha is the immediate neighbour of Nishitha and Salman. Hence, the third option is correct.

Correct Answer: 151

Solution : Given:
4, 11, 19, 31, 52, 89, ?

Follow the pattern to obtain the next term.

So, 151 is the missing term in the given series. Hence, the first option is correct.

Correct Answer: Sudha Murty

Solution : The correct answer is Sudha Murty.

In 2017, Sudha Murty's book "Three Thousand Stitches: Ordinary People, Extraordinary Lives" was published. The book consists of eleven different stories, each inspired by her personal experiences. These stories contain embedded morals.

Correct Answer: Schedule X

Solution : The correct answer is Schedule X.

Schedule X of the Indian Constitution contains provisions for the disqualification of legislators on the grounds of defection. The Anti-defection law was added to the Constitution through the 52nd Constitutional Amendment Act of 1985. It provides for the disqualification of elected legislators from the legislature in instances where they voluntarily switch parties or vote against the party's directory.

Correct Answer:

Solution : A potato is a type of vegetable, a carrot is also a type of vegetable, and they share the common category of being vegetables, but they are different in their specific characteristics and types.
Therefore, the Venn diagram will be as follows –

Hence, the fourth option is correct.

Correct Answer:

Solution : According to the given figure series –
1. The elements are being rotated by 90 degrees in every alternate box.
2. The elements shift by one place along the corners in the clockwise direction.
So, following the above pattern, the missing figure will be –

Hence, the fourth option is correct.

Correct Answer: plum pudding

Solution : The correct option is plum pudding.

The plum pudding model was the atomic structure hypothesis put forth by J.J. Thomson. This theory holds that an atom is an electrically positive-charged sphere with electrons dispersed throughout, much like plums in a pudding.

Correct Answer: Tetra-atomic

Solution : The correct option is Tetra-atomic.

Phosphorus exists in a tetra-atomic form as P4 molecules. In this molecular form, four phosphorus atoms are bonded together in a tetrahedral arrangement. The P4 molecule is the most stable and common allotrope of phosphorus under normal conditions. Each phosphorus atom in the P4 molecule forms three single bonds with other phosphorus atoms, resulting in a tetrahedral structure with a characteristic tetra-atomic nature.

Correct Answer: E

Solution : Given:
U, P, M, H, ?, Z

Subtract 5 and 3 in each alternative letter, to obtain the required missing term –
U – 5 = P; P – 3 = M; M – 5 = H; H – 3 = E; E – 5 = Z

Therefore, the required missing letter is E. Hence, the second option is correct.