Answer: B) Myogenic heart Explanation: Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.

1. The state tree of Rajasthan is Khejri. This tree is found in about two-thirds of the total geographical area of the state and has great importance culturally and economically.

2. The scientific name of Khejri is Prosopis cinerea. It is a drought-tolerant tree that can survive even in areas with low rainfall. This tree is found in desert areas and is found in abundance in the Thar Desert of Rajasthan.

3. Khejri tree is considered the symbol of Gogaji folk deity in Rajasthan.

Answer: A) 1954 Explanation: The Bharat Ratna is the highest civilian award of the Republic of India. Instituted in 1954, the award is conferred "in recognition of exceptional service/performance of the highest order", without distinction of race, occupation, position, or sex.

1. The assessment that has been in the news recently is related to the assessment of student learning. It is a national level initiative launched by the Ministry of Education, Government of India as part of the implementation of the National Education Policy (NEP)-2020.

2. The objective of the approach is to facilitate an inclusive, participatory and holistic approach to achieving the goals of the National Education Policy.