Answer: D) Electrons and Nuclei Explanation: Atoms are composed of Electrons, protons and Neutrons. Protons and Neutrons together called as Nuclei.

Answer: C) 21, 15, 23 Explanation: Given number series is 9 17 11 19 13  Here the pattern is 9 9 + 8 = 17 17 - 6 = 11 11 + 8 = 19 19 - 6 = 13 13 + 8 = 21 21 - 6 = 15 15 + 8 = 23

Answer: A) 0.0625 Explanation: 25% of 25% means   25/100 of 25/100   i.e, 1/4 of 1/4   or in other words 1/4 x 1/4=1/16   Hence, the answer is 1/16 = 0.0625.

Answer: D) Both B & C Explanation: The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.  Cell biology (formerly called Cytology), is a Greek word: kytos, "vessel" is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life. The cell (from Latin cella, meaning "small room") is the basic Structural, Functional (and)  Biological unit of all known living organisms.  A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life".

Answer: B) Cell biology Explanation: The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.    A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life"    Cell Biology deals with : Life cycle  Structure and organisation of cell organelles and their physiological properties.  Metabolic processes  Interactions with their environment  Signalling pathways.

Answer: D) Coaches Explanation: The Dronacharya Award, formally known as Dronacharya Award for Outstanding Coaches in Sports and Games, is sports training honour of the Republic of India. The award is named after Drona, often referred as "Dronacharya" or "Guru Drona", a character from the Sanskrit epic Mahabharata of ancient India.

The Tripitaka was Written in Third Century bce(beginning of the common era). The Tripitaka (called Tipitaka in Pali) is the earliest collection of buddhist writings. Initially, they were composed orally.

Answer: B) 29 Explanation: Here the given number series follows a pattern of two alternate series. 1. 7 19 31 ...(Difference of 12) 2. 9 18 27 ...(Difference of 9) Here the odd number is 29 instead of 27 And the next number is 31 + 12 = 43 & 27 + 9 = 36