2021: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza
2022: Three important micronutrients essential for humans are
(a) Copper, zinc and iodine
(b) Zinc, copper and potassium
(c) Nitrogen, molybdenum and iodine
(d) Sulphur, copper and iron
2023: With reference to the treatment of cancerous tumours, a tool called cyberknife has been making the news. In this context, which one of the following statements is not correct ?
(a) It is a robotic image guided system
(b) It delivers an extremely precise dose of radiation
(c) It has the capability of achieving sub-millimetre accuracy
(d) It can map the spread of tumour in the body
2024: Match List-1 with List-II and select the correct, answer using the code given below the lists :
List-I
A. E.C.G. Sudarshan
B. V. Shanta
C. T.N. Krishnan
D. Mahesh Dattani
List-II
1. Theatre
2. Violin
3. Research in Physics
4. Cancer treatment
5. Water-harvesting
(A) 2 4 5 1
(B) 3 1 2 4
(C) 3 4 2 1
(D) 2 1 5 4
2025: A World Summit with representation from all the countries will be held in Johannesburg in September 2002 on the subject of
(a) AIDS control
(b) Global terrorism
(c) Human rights
(d) Sustainable development