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TNPSC Group 1 Prelims 2025 Previous Year Paper (General Studies) | Real Exam Mock Test

TNPSC Group 1 General Studies 2025 Paper. Descriptive test; answer all carefully.Covers general knowledge and current affairs.Time-bound test; complete it quickly.

Questions

200

Duration

180m

Marks

100

Question Preview

5 of 200

Which of statements are True?
(i) Octane number increases with chain length.
(ii) Cycloalkanes have higher Octane number than straight chain alkanes.
(iii) Alkenes and aromatic hydrocarbon have higher Octane number than straight chain alkanes.
(iv) Branched chain alkanes have lower octane number than straight chain alkanes.

A. (i) and (iv)

B. (i) and (ii)

C. (ii) and (iii)

D. (i), (ii), (iii) and (iv)

E. Answer not known

Match the following hormone with the disorder caused:
(a) Insulin 1. Cushing's syndrome
(b) Thyroxine 2. Diabetes insipidus
(c) Glucocorticoids 3. Acromegaly
(d) Growth hormone 4. Goitre
5. Diabetes Mellitus

A. 5 1 2 3

B. 2 4 3 1

C. 5 4 1 3

D. 2 4 1 3

E. Answer not known

Choose the right matches :
(1) Carotenoid — C₅₅H₇₀O₅N₄Mg
(2) Chlorophyll ‘a’ — C₅₅H₇₂O₅N₄Mg
(3) Chlorophyll ‘b’ — C₅₅H₇₀O₆N₄Mg
(4) Xanthophyll — C₅₀H₇₀O₅Mg

A. (1) and (2) are correct

B. (3) and (4) are correct

C. (2) and (3) are correct

D. (1) and (4) are correct

E. Answer not known

4 The Nobel Prize in Medicine was awarded to Victor Ambros and Gary Ruvkun for their discovery of

A. Expression Sequence Tags

B. Micro RNA

C. DNA micro array

D. SNP's

E. Answer not known

Which of the following statements are true about crew selection and training for “Gaganyaan Mission”?
(i) Crews are selected after clinical, psychological and aeromedical examination.
(ii) Mission-specific training will be conducted at ISRO, Trivandrum.
(iii) Selected astronauts will undergo their generic spaceflight training in Yuri Gagarin Cosmonaut training centre, Russia.

A. (i) and (ii) only

B. (ii) and (iii) only

C. (iii) only

D. (i) and (iii) only

E. Answer not known